bump version to 2.1.2-1

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
docs: remotes: note that protected flags will not be synced
2021-11-23 13:56:36 +01:00 · 2021-11-23 13:53:03 +01:00 · 2021-11-23 13:53:03 +01:00 · 2021-11-23 09:42:18 +01:00 · 2021-11-22 16:07:42 +01:00 · 2021-11-22 16:05:22 +01:00
419 changed files with 10676 additions and 11398 deletions
--- a/Cargo.toml
+++ b/Cargo.toml
@ -1,6 +1,6 @@
 [package]
 name = "proxmox-backup"
-version = "2.0.10"
+version = "2.1.2"
 authors = [
    "Dietmar Maurer <dietmar@proxmox.com>",
    "Dominik Csapak <d.csapak@proxmox.com>",
@ -25,9 +25,8 @@ members = [
    "pbs-config",
    "pbs-datastore",
    "pbs-fuse-loop",
-    "pbs-runtime",
    "proxmox-rest-server",
-    "proxmox-systemd",
+    "proxmox-rrd",
    "pbs-tape",
    "pbs-tools",

@ -44,9 +43,10 @@ path = "src/lib.rs"

 [dependencies]
 apt-pkg-native = "0.3.2"
-base64 = "0.12"
+base64 = "0.13"
 bitflags = "1.2.1"
 bytes = "1.0"
+cidr = "0.2.1"
 crc32fast = "1"
 endian_trait = { version = "0.6", features = ["arrays"] }
 env_logger = "0.7"
@ -56,6 +56,7 @@ thiserror = "1.0"
 futures = "0.3"
 h2 = { version = "0.3", features = [ "stream" ] }
 handlebars = "3.0"
+hex = "0.4.3"
 http = "0.2"
 hyper = { version = "0.14", features = [ "full" ] }
 lazy_static = "1.4"
@ -79,11 +80,10 @@ tokio-openssl = "0.6.1"
 tokio-stream = "0.1.0"
 tokio-util = { version = "0.6", features = [ "codec", "io" ] }
 tower-service = "0.3.0"
-udev = ">= 0.3, <0.5"
+udev = "0.4"
 url = "2.1"
 #valgrind_request = { git = "https://github.com/edef1c/libvalgrind_request", version = "1.1.0", optional = true }
 walkdir = "2"
-webauthn-rs = "0.2.5"
 xdg = "2.2"
 nom = "5.1"
 crossbeam-channel = "0.5"
@ -94,20 +94,31 @@ zstd = { version = "0.6", features = [ "bindgen" ] }
 pathpatterns = "0.1.2"
 pxar = { version = "0.10.1", features = [ "tokio-io" ] }

-proxmox = { version = "0.13.3", features = [ "sortable-macro", "api-macro", "cli", "router", "tfa" ] }
-proxmox-acme-rs = "0.2.1"
-proxmox-apt = "0.7.0"
-proxmox-http = { version = "0.4.0", features = [ "client", "http-helpers", "websocket" ] }
-proxmox-openid = "0.7.0"
+proxmox = { version = "0.15.3", features = [ "sortable-macro" ] }
+proxmox-http = { version = "0.5.4", features = [ "client", "http-helpers", "websocket" ] }
+proxmox-io = "1"
+proxmox-lang = "1"
+proxmox-router = { version = "1.1", features = [ "cli" ] }
+proxmox-schema = { version = "1", features = [ "api-macro" ] }
+proxmox-section-config = "1"
+proxmox-tfa = { version = "1.3", features = [ "api", "api-types" ] }
+proxmox-time = "1"
+proxmox-uuid = "1"
+proxmox-shared-memory = "0.1.1"
+proxmox-sys = "0.1.2"
+
+proxmox-acme-rs = "0.3"
+proxmox-apt = "0.8.0"
+proxmox-async = "0.2"
+proxmox-openid = "0.9.0"

 pbs-api-types = { path = "pbs-api-types" }
 pbs-buildcfg = { path = "pbs-buildcfg" }
 pbs-client = { path = "pbs-client" }
 pbs-config = { path = "pbs-config" }
 pbs-datastore = { path = "pbs-datastore" }
-pbs-runtime = { path = "pbs-runtime" }
 proxmox-rest-server = { path = "proxmox-rest-server" }
-proxmox-systemd = { path = "proxmox-systemd" }
+proxmox-rrd = { path = "proxmox-rrd" }
 pbs-tools = { path = "pbs-tools" }
 pbs-tape = { path = "pbs-tape" }

@ -116,6 +127,8 @@ pbs-tape = { path = "pbs-tape" }
 [patch.crates-io]
 #proxmox = { path = "../proxmox/proxmox" }
 #proxmox-http = { path = "../proxmox/proxmox-http" }
+#proxmox-tfa = { path = "../proxmox/proxmox-tfa" }
+#proxmox-schema = { path = "../proxmox/proxmox-schema" }
 #pxar = { path = "../pxar" }

 [features]
--- a/13
+++ b/13
@ -38,9 +38,8 @@ SUBCRATES := \
 	pbs-config \
 	pbs-datastore \
 	pbs-fuse-loop \
-	pbs-runtime \
 	proxmox-rest-server \
-	proxmox-systemd \
+	proxmox-rrd \
 	pbs-tape \
 	pbs-tools \
 	proxmox-backup-banner \
@ -171,14 +170,11 @@ cargo-build:
 $(COMPILED_BINS) $(COMPILEDIR)/dump-catalog-shell-cli $(COMPILEDIR)/docgen: .do-cargo-build
 .do-cargo-build:
 	$(CARGO) build $(CARGO_BUILD_ARGS) \
-	    --bin proxmox-backup-api \
-	    --bin proxmox-backup-proxy \
-	    --bin proxmox-backup-manager \
-	    --bin docgen \
 	    --package proxmox-backup-banner \
 	    --bin proxmox-backup-banner \
 	    --package proxmox-backup-client \
 	    --bin proxmox-backup-client \
+	    --bin dump-catalog-shell-cli \
 	    --bin proxmox-backup-debug \
 	    --package proxmox-file-restore \
 	    --bin proxmox-file-restore \
@ -190,7 +186,10 @@ $(COMPILED_BINS) $(COMPILEDIR)/dump-catalog-shell-cli $(COMPILEDIR)/docgen: .do-
 	    --package proxmox-restore-daemon \
 	    --bin proxmox-restore-daemon \
 	    --package proxmox-backup \
-	    --bin dump-catalog-shell-cli \
+	    --bin docgen \
+	    --bin proxmox-backup-api \
+	    --bin proxmox-backup-manager \
+	    --bin proxmox-backup-proxy \
 	    --bin proxmox-daily-update \
 	    --bin proxmox-file-restore \
 	    --bin proxmox-tape \
--- a/debian/changelog
+++ b/debian/changelog
@ -1,4 +1,152 @@
-rust-proxmox-backup (2.0.10-1) UNRELEASED; urgency=medium
+rust-proxmox-backup (2.1.2-1) bullseye; urgency=medium
+
+  * docs: backup-client: fix wrong reference
+
+  * docs: remotes: note that protected flags will not be synced
+
+  * sync job: correctly apply rate limit
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 23 Nov 2021 13:56:15 +0100
+
+rust-proxmox-backup (2.1.1-2) bullseye; urgency=medium
+
+  * docs: update and add traffic control related screenshots
+
+  * docs: mention traffic control (bandwidth limits) for sync jobs
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 22 Nov 2021 16:07:39 +0100
+
+rust-proxmox-backup (2.1.1-1) bullseye; urgency=medium
+
+  * fix proxmox-backup-manager sync-job list
+
+  * ui, api: sync-job: allow one to configure a rate limit
+
+  * api: snapshot list: set default for 'protected' flag
+
+  * ui: datastore content: rework rendering protection state
+
+  * docs: update traffic control docs (use HumanBytes)
+
+  * ui: traffic-control: include ipv6 in 'all' networks
+
+  * ui: traffic-control edit: add spaces between networks for more
+    readabillity
+
+  * tape: fix passing-through key-fingerprint
+
+  * avoid a bogus error regarding logrotate-path due to a reversed check
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 22 Nov 2021 12:24:31 +0100
+
+rust-proxmox-backup (2.1.0-1) bullseye; urgency=medium
+
+  * rest server: make successful-ticket auth log a debug one to avoid
+    syslog spam
+
+  * traffic-controls: add API/CLI to show current traffic
+
+  * docs: add traffic control section
+
+  * ui: use TFA widgets from widget toolkit
+
+  * sync: allow pulling groups selectively
+
+  * fix #3533: tape backup: filter groups according to config
+
+  * proxmox-tape: add missing notify-user option to backup command
+
+  * openid: allow arbitrary username-claims
+
+  * openid: support configuring the prompt, scopes and ACR values
+
+  * use human-byte for traffic-control rate-in/out and burst-in/out config
+
+  * ui: add traffic control view and editor
+
+ -- Proxmox Support Team <support@proxmox.com>  Sat, 20 Nov 2021 22:44:07 +0100
+
+rust-proxmox-backup (2.0.14-1) bullseye; urgency=medium
+
+  * fix directory permission problems
+
+  * add traffic control configuration config with API
+
+  * proxmox-backup-proxy: implement traffic control
+
+  * proxmox-backup-client: add rate/burst parameter to backup/restore CLI
+
+  * openid_login: vertify that firstname, lastname and email fits our
+    schema definitions
+
+  * docs: add info about protection flag to client docs
+
+  * fix #3602: ui: datastore/Content: add action to set protection status
+
+  * ui: add protected icon to snapshot (if they are protected)
+
+  * ui: PruneInputPanel: add keepReason 'protected' for protected backups
+
+  * proxmox-backup-client: add 'protected' commands
+
+  * acme: interpret no TOS as accepted
+
+  * acme: new_account: prevent replacing existing accounts
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 12 Nov 2021 08:04:55 +0100
+
+rust-proxmox-backup (2.0.13-1) bullseye; urgency=medium
+
+  * tape: simplify export_media_set for pool writer
+
+  * tape: improve export_media error message for not found tape
+
+  * rest-server: use hashmap for parameter errors
+
+  * proxmox-rrd: use new file firmat with higher resolution
+
+  * proxmox-rrd: use a journal to reduce amount of bytes written
+
+  * use new fsync parameter to replace_file and atomic_open_or_create
+
+  * docs: langauge and formatting fixup
+
+  * docs: Update for new features/functionality
+
+ -- Proxmox Support Team <support@proxmox.com>  Thu, 21 Oct 2021 08:17:00 +0200
+
+rust-proxmox-backup (2.0.12-1) bullseye; urgency=medium
+
+  * proxmox-backup-proxy: clean up old tasks when their reference was rotated
+    out of the task-log index
+
+  * api daemons: fix sending log-reopen command
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 19 Oct 2021 10:48:28 +0200
+
+rust-proxmox-backup (2.0.11-1) bullseye; urgency=medium
+
+  * drop aritifical limits for task-UPID length
+
+  * tools: smart: only throw error for the fatal usage errors of smartctl
+
+  * api: improve returning errors for extjs formatter
+
+  * proxmox-rest-server: improve logging
+
+  * subscription: switch verification domain over to shop.proxmox.com
+
+  * rest-server/daemon: use new sd_notify_barrier helper for handling
+    synchronization with systemd on service reloading
+
+  * ui: datastore/Content: add empty text for no snapshots
+
+  * ui: datastore/Content: move first store-load into activate listener to
+    ensure we've a proper loading mask for better UX
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 05 Oct 2021 16:34:14 +0200
+
+rust-proxmox-backup (2.0.10-1) bullseye; urgency=medium

  * ui: fix order of prune keep reasons

--- a/debian/control
+++ b/debian/control
@ -8,9 +8,10 @@ Build-Depends: debhelper (>= 12),
 libstd-rust-dev,
 librust-anyhow-1+default-dev,
 librust-apt-pkg-native-0.3+default-dev (>= 0.3.2-~~),
- librust-base64-0.12+default-dev,
+ librust-base64-0.13+default-dev,
 librust-bitflags-1+default-dev (>= 1.2.1-~~),
 librust-bytes-1+default-dev,
+ librust-cidr-0.2+default-dev (>= 0.2.1-~~),
 librust-crc32fast-1+default-dev,
 librust-crossbeam-channel-0.5+default-dev,
 librust-endian-trait-0.6+arrays-dev,
@ -22,9 +23,10 @@ Build-Depends: debhelper (>= 12),
 librust-h2-0.3+default-dev,
 librust-h2-0.3+stream-dev,
 librust-handlebars-3+default-dev,
+ librust-hex-0.4+default-dev (>= 0.4.3-~~),
 librust-http-0.2+default-dev,
- librust-hyper-0.14+default-dev,
- librust-hyper-0.14+full-dev,
+ librust-hyper-0.14+default-dev (>= 0.14.5-~~),
+ librust-hyper-0.14+full-dev (>= 0.14.5-~~),
 librust-lazy-static-1+default-dev (>= 1.4-~~),
 librust-libc-0.2+default-dev,
 librust-log-0.4+default-dev,
@ -38,26 +40,43 @@ Build-Depends: debhelper (>= 12),
 librust-pathpatterns-0.1+default-dev (>= 0.1.2-~~),
 librust-percent-encoding-2+default-dev (>= 2.1-~~),
 librust-pin-project-lite-0.2+default-dev,
- librust-proxmox-0.13+api-macro-dev,
- librust-proxmox-0.13+cli-dev,
- librust-proxmox-0.13+default-dev,
- librust-proxmox-0.13+router-dev,
- librust-proxmox-0.13+sortable-macro-dev,
- librust-proxmox-0.13+tfa-dev,
- librust-proxmox-acme-rs-0.2+default-dev (>= 0.2.1-~~),
- librust-proxmox-apt-0.7+default-dev,
+ librust-proxmox-0.15+default-dev (>= 0.15.3-~~),
+ librust-proxmox-0.15+sortable-macro-dev (>= 0.15.3-~~),
+ librust-proxmox-0.15+tokio-dev (>= 0.15.3-~~),
+ librust-proxmox-acme-rs-0.3+default-dev,
+ librust-proxmox-apt-0.8+default-dev,
+ librust-proxmox-async-0.2+default-dev,
+ librust-proxmox-borrow-1+default-dev,
 librust-proxmox-fuse-0.1+default-dev (>= 0.1.1-~~),
- librust-proxmox-http-0.4+client-dev,
- librust-proxmox-http-0.4+default-dev ,
- librust-proxmox-http-0.4+http-helpers-dev,
- librust-proxmox-http-0.4+websocket-dev,
- librust-proxmox-openid-0.7+default-dev,
+ librust-proxmox-http-0.5+client-dev (>= 0.5.4-~~),
+ librust-proxmox-http-0.5+default-dev (>= 0.5.4-~~),
+ librust-proxmox-http-0.5+http-helpers-dev (>= 0.5.4-~~),
+ librust-proxmox-http-0.5+websocket-dev (>= 0.5.4-~~),
+ librust-proxmox-io-1+default-dev,
+ librust-proxmox-io-1+tokio-dev,
+ librust-proxmox-lang-1+default-dev,
+ librust-proxmox-openid-0.9+default-dev,
+ librust-proxmox-router-1+cli-dev (>= 1.1-~~),
+ librust-proxmox-router-1+default-dev (>= 1.1-~~),
+ librust-proxmox-schema-1+api-macro-dev (>= 1.0.1-~~),
+ librust-proxmox-schema-1+default-dev (>= 1.0.1-~~),
+ librust-proxmox-schema-1+upid-api-impl-dev (>= 1.0.1-~~),
+ librust-proxmox-section-config-1+default-dev,
+ librust-proxmox-shared-memory-0.1+default-dev (>= 0.1.1-~~),
+ librust-proxmox-sys-0.1+default-dev (>= 0.1.2-~~),
+ librust-proxmox-tfa-1+api-dev (>= 1.3-~~),
+ librust-proxmox-tfa-1+api-types-dev (>= 1.3-~~),
+ librust-proxmox-tfa-1+default-dev (>= 1.3-~~),
+ librust-proxmox-time-1+default-dev (>= 1.1-~~),
+ librust-proxmox-uuid-1+default-dev,
+ librust-proxmox-uuid-1+serde-dev,
 librust-pxar-0.10+default-dev (>= 0.10.1-~~),
 librust-pxar-0.10+tokio-io-dev (>= 0.10.1-~~),
 librust-regex-1+default-dev (>= 1.2-~~),
 librust-rustyline-7+default-dev,
 librust-serde-1+default-dev,
 librust-serde-1+derive-dev,
+ librust-serde-cbor-0.11+default-dev (>= 0.11.1-~~),
 librust-serde-json-1+default-dev,
 librust-siphasher-0.3+default-dev,
 librust-syslog-4+default-dev,
@ -73,6 +92,7 @@ Build-Depends: debhelper (>= 12),
 librust-tokio-1+rt-dev (>= 1.6-~~),
 librust-tokio-1+rt-multi-thread-dev (>= 1.6-~~),
 librust-tokio-1+signal-dev (>= 1.6-~~),
+ librust-tokio-1+sync-dev (>= 1.6-~~),
 librust-tokio-1+time-dev (>= 1.6-~~),
 librust-tokio-openssl-0.6+default-dev (>= 0.6.1-~~),
 librust-tokio-stream-0.1+default-dev,
@ -80,16 +100,15 @@ Build-Depends: debhelper (>= 12),
 librust-tokio-util-0.6+default-dev,
 librust-tokio-util-0.6+io-dev,
 librust-tower-service-0.3+default-dev,
- librust-udev-0.4+default-dev | librust-udev-0.3+default-dev,
+ librust-udev-0.4+default-dev,
 librust-url-2+default-dev (>= 2.1-~~),
 librust-walkdir-2+default-dev,
- librust-webauthn-rs-0.2+default-dev (>= 0.2.5-~~),
 librust-xdg-2+default-dev (>= 2.2-~~),
 librust-zstd-0.6+bindgen-dev,
 librust-zstd-0.6+default-dev,
 libacl1-dev,
 libfuse3-dev,
- libsystemd-dev,
+ libsystemd-dev (>= 246-~~),
 uuid-dev,
 libsgutils2-dev,
 bash-completion,
@ -131,7 +150,7 @@ Depends: fonts-font-awesome,
         postfix | mail-transport-agent,
         proxmox-backup-docs,
         proxmox-mini-journalreader,
-         proxmox-widget-toolkit (>= 3.3-2),
+         proxmox-widget-toolkit (>= 3.4-3),
         pve-xtermjs (>= 4.7.0-1),
         sg3-utils,
         smartmontools,
--- a/debian/postinst
+++ b/debian/postinst
@ -4,6 +4,14 @@ set -e

 #DEBHELPER#

+update_sync_job() {
+    job="$1"
+
+    echo "Updating sync job '$job' to make old 'remove-vanished' default explicit.."
+    proxmox-backup-manager sync-job update "$job" --remove-vanished true \
+      || echo "Failed, please check sync.cfg manually!"
+}
+
 case "$1" in
    configure)
 	# need to have user backup in the tape group
@ -32,6 +40,29 @@ case "$1" in
 			echo "Fixing up termproxy user id in task log..."
 			flock -w 30 /var/log/proxmox-backup/tasks/active.lock sed -i 's/:termproxy::\([^@]\+\): /:termproxy::\1@pam: /' /var/log/proxmox-backup/tasks/active || true
 		fi
+
+		if dpkg --compare-versions "$2" 'lt' '7.1-1' && test -e /etc/proxmox-backup/sync.cfg; then
+			prev_job=""
+
+			# read from HERE doc because POSIX sh limitations
+			while read -r key value; do
+				if test "$key" = "sync:"; then
+					if test -n "$prev_job"; then
+						# previous job doesn't have an explicit value
+						update_sync_job "$prev_job"
+					fi
+					prev_job=$value
+				else
+					prev_job=""
+				fi
+			done <<EOF
+$(grep -e '^sync:' -e 'remove-vanished' /etc/proxmox-backup/sync.cfg)
+EOF
+			if test -n "$prev_job"; then
+				# last job doesn't have an explicit value
+				update_sync_job "$prev_job"
+			fi
+		fi
 	fi
    ;;

--- a/docs/backup-client.rst
+++ b/docs/backup-client.rst
@ -1,31 +1,33 @@
 Backup Client Usage
 ===================

-The command line client is called :command:`proxmox-backup-client`.
+The command line client for Proxmox Backup Server is called
+:command:`proxmox-backup-client`.

 .. _client_repository:

 Backup Repository Locations
 ---------------------------

-The client uses the following notation to specify a datastore repository
-on the backup server.
+The client uses the following format to specify a datastore repository
+on the backup server (where username is specified in the form of user@realm):

  [[username@]server[:port]:]datastore

 The default value for ``username`` is ``root@pam``. If no server is specified,
 the default is the local host (``localhost``).

-You can specify a port if your backup server is only reachable on a different
-port (e.g. with NAT and port forwarding).
+You can specify a port if your backup server is only reachable on a non-default
+port (for example, with NAT and port forwarding configurations).

-Note that if the server is an IPv6 address, you have to write it with square
+Note that if the server uses an IPv6 address, you have to write it with square
 brackets (for example, `[fe80::01]`).

 You can pass the repository with the ``--repository`` command line option, or
 by setting the ``PBS_REPOSITORY`` environment variable.

-Here some examples of valid repositories and the real values
+Below are some examples of valid repositories and their corresponding real
+values:

 ================================ ================== ================== ===========
 Example                          User               Host:Port          Datastore
@ -46,8 +48,8 @@ Environment Variables
  The default backup repository.

 ``PBS_PASSWORD``
-  When set, this value is used for the password required for the backup server.
-  You can also set this to a API token secret.
+  When set, this value is used as the password for the backup server.
+  You can also set this to an API token secret.

 ``PBS_PASSWORD_FD``, ``PBS_PASSWORD_FILE``, ``PBS_PASSWORD_CMD``
  Like ``PBS_PASSWORD``, but read data from an open file descriptor, a file
@ -63,15 +65,14 @@ Environment Variables
  a file name or from the `stdout` of a command, respectively. The first
  defined environment variable from the order above is preferred.

-``PBS_FINGERPRINT`` When set, this value is used to verify the server
-  certificate (only used if the system CA certificates cannot validate the
-  certificate).
+``PBS_FINGERPRINT``
+  When set, this value is used to verify the server certificate (only used if
+  the system CA certificates cannot validate the certificate).


-.. Note:: Passwords must be valid UTF8 an may not contain
-   newlines. For your convienience, we just use the first line as
-   password, so you can add arbitrary comments after the
-   first newline.
+.. Note:: Passwords must be valid UTF-8 and may not contain newlines. For your
+   convienience, Proxmox Backup Server only uses the first line as password, so
+   you can add arbitrary comments after the first newline.


 Output Format
@ -86,14 +87,15 @@ Creating Backups
 ----------------

 This section explains how to create a backup from within the machine. This can
-be a physical host, a virtual machine, or a container. Such backups may contain file
-and image archives. There are no restrictions in this case.
+be a physical host, a virtual machine, or a container. Such backups may contain
+file and image archives. There are no restrictions in this case.

-.. note:: If you want to backup virtual machines or containers on Proxmox VE, see :ref:`pve-integration`.
+.. Note:: If you want to backup virtual machines or containers on Proxmox VE,
+   see :ref:`pve-integration`.

-For the following example you need to have a backup server set up, working
-credentials and need to know the repository name.
-In the following examples we use ``backup-server:store1``.
+For the following example, you need to have a backup server set up, have working
+credentials, and know the repository name.
+In the following examples, we use ``backup-server:store1``.

 .. code-block:: console

@ -107,12 +109,12 @@ In the following examples we use ``backup-server:store1``.
  Uploaded 12129 chunks in 87 seconds (564 MB/s).
  End Time: 2019-12-03T10:36:29+01:00

-This will prompt you for a password and then uploads a file archive named
+This will prompt you for a password, then upload a file archive named
 ``root.pxar`` containing all the files in the ``/`` directory.

-.. Caution:: Please note that the proxmox-backup-client does not
+.. Caution:: Please note that proxmox-backup-client does not
   automatically include mount points. Instead, you will see a short
-   ``skip mount point`` notice for each of them. The idea is to
+   ``skip mount point`` message for each of them. The idea is to
   create a separate file archive for each mounted disk. You can
   explicitly include them using the ``--include-dev`` option
   (i.e. ``--include-dev /boot/efi``). You can use this option
@ -120,18 +122,18 @@ This will prompt you for a password and then uploads a file archive named

 The ``--repository`` option can get quite long and is used by all
 commands. You can avoid having to enter this value by setting the
-environment variable ``PBS_REPOSITORY``. Note that if you would like this to remain set
-over multiple sessions, you should instead add the below line to your
+environment variable ``PBS_REPOSITORY``. Note that if you would like this to
+remain set over multiple sessions, you should instead add the below line to your
 ``.bashrc`` file.

 .. code-block:: console

  # export PBS_REPOSITORY=backup-server:store1

-After this you can execute all commands without specifying the ``--repository``
-option.
+After this, you can execute all commands without having to specify the
+``--repository`` option.

-One single backup is allowed to contain more than one archive. For example, if
+A single backup is allowed to contain more than one archive. For example, if
 you want to back up two disks mounted at ``/mnt/disk1`` and ``/mnt/disk2``:

 .. code-block:: console
@ -146,26 +148,26 @@ archive source at the client. The format is:

    <archive-name>.<type>:<source-path>

-Common types are ``.pxar`` for file archives, and ``.img`` for block
-device images. To create a backup of a block device run the following command:
+Common types are ``.pxar`` for file archives and ``.img`` for block
+device images. To create a backup of a block device, run the following command:

 .. code-block:: console

  # proxmox-backup-client backup mydata.img:/dev/mylvm/mydata


-Excluding files/folders from a backup
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Excluding Files/Directories from a Backup
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

-Sometimes it is desired to exclude certain files or folders from a backup archive.
+Sometimes it is desired to exclude certain files or directories from a backup archive.
 To tell the Proxmox Backup client when and how to ignore files and directories,
-place a text file called ``.pxarexclude`` in the filesystem hierarchy.
+place a text file named ``.pxarexclude`` in the filesystem hierarchy.
 Whenever the backup client encounters such a file in a directory, it interprets
-each line as glob match patterns for files and directories that are to be excluded
+each line as a glob match pattern for files and directories that are to be excluded
 from the backup.

-The file must contain a single glob pattern per line. Empty lines are ignored.
-The same is true for lines starting with ``#``, which indicates a comment.
+The file must contain a single glob pattern per line. Empty lines and lines
+starting with ``#`` (indicating a comment) are ignored.
 A ``!`` at the beginning of a line reverses the glob match pattern from an exclusion
 to an explicit inclusion. This makes it possible to exclude all entries in a
 directory except for a few single files/subdirectories.
@ -176,23 +178,24 @@ the given patterns. It is only possible to match files in this directory and its
 ``\`` is used to escape special glob characters.
 ``?`` matches any single character.
 ``*`` matches any character, including an empty string.
-``**`` is used to match subdirectories. It can be used to, for example, exclude
-all files ending in ``.tmp`` within the directory or subdirectories with the
-following pattern ``**/*.tmp``.
+``**`` is used to match current directory and subdirectories. For example, with
+the pattern ``**/*.tmp``, it would exclude all files ending in ``.tmp`` within
+a directory and its subdirectories.
 ``[...]`` matches a single character from any of the provided characters within
 the brackets. ``[!...]`` does the complementary and matches any single character
 not contained within the brackets. It is also possible to specify ranges with two
 characters separated by ``-``. For example, ``[a-z]`` matches any lowercase
-alphabetic character and ``[0-9]`` matches any one single digit.
+alphabetic character, and ``[0-9]`` matches any single digit.

 The order of the glob match patterns defines whether a file is included or
-excluded, that is to say later entries override previous ones.
+excluded, that is to say, later entries override earlier ones.
 This is also true for match patterns encountered deeper down the directory tree,
 which can override a previous exclusion.
-Be aware that excluded directories will **not** be read by the backup client.
-Thus, a ``.pxarexclude`` file in an excluded subdirectory will have no effect.
-``.pxarexclude`` files are treated as regular files and will be included in the
-backup archive.
+
+.. Note:: Excluded directories will **not** be read by the backup client. Thus,
+   a ``.pxarexclude`` file in an excluded subdirectory will have no effect.
+   ``.pxarexclude`` files are treated as regular files and will be included in
+   the backup archive.

 For example, consider the following directory structure:

@ -280,7 +283,7 @@ You can avoid entering the passwords by setting the environment
 variables ``PBS_PASSWORD`` and ``PBS_ENCRYPTION_PASSWORD``.


-Using a master key to store and recover encryption keys
+Using a Master Key to Store and Recover Encryption Keys
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 You can also use ``proxmox-backup-client key`` to create an RSA public/private
@ -360,7 +363,7 @@ To set up a master key:
  keep keys ordered and in a place that is separate from the contents being
  backed up. It can happen, for example, that you back up an entire system, using
  a key on that system. If the system then becomes inaccessible for any reason
-  and needs to be restored, this will not be possible as the encryption key will be
+  and needs to be restored, this will not be possible, as the encryption key will be
  lost along with the broken system.

 It is recommended that you keep your master key safe, but easily accessible, in
@ -382,10 +385,10 @@ version of your master key. The following command sends the output of the
 Restoring Data
 --------------

-The regular creation of backups is a necessary step to avoiding data
-loss. More importantly, however, is the restoration. It is good practice to perform
-periodic recovery tests to ensure that you can access the data in
-case of problems.
+The regular creation of backups is a necessary step in avoiding data loss. More
+importantly, however, is the restoration. It is good practice to perform
+periodic recovery tests to ensure that you can access the data in case of
+disaster.

 First, you need to find the snapshot which you want to restore. The snapshot
 list command provides a list of all the snapshots on the server:
@ -444,23 +447,22 @@ to use the interactive recovery shell.

 The interactive recovery shell is a minimal command line interface that
 utilizes the metadata stored in the catalog to quickly list, navigate and
-search files in a file archive.
+search for files in a file archive.
 To restore files, you can select them individually or match them with a glob
 pattern.

 Using the catalog for navigation reduces the overhead considerably because only
 the catalog needs to be downloaded and, optionally, decrypted.
-The actual chunks are only accessed if the metadata in the catalog is not enough
-or for the actual restore.
+The actual chunks are only accessed if the metadata in the catalog is
+insufficient or for the actual restore.

-Similar to common UNIX shells ``cd`` and ``ls`` are the commands used to change
+Similar to common UNIX shells, ``cd`` and ``ls`` are the commands used to change
 working directory and list directory contents in the archive.
 ``pwd`` shows the full path of the current working directory with respect to the
 archive root.

-Being able to quickly search the contents of the archive is a commonly needed feature.
-That's where the catalog is most valuable.
-For example:
+The ability to quickly search the contents of the archive is a commonly required
+feature. That's where the catalog is most valuable. For example:

 .. code-block:: console

@ -471,8 +473,8 @@ For example:
  pxar:/ > restore-selected /target/path
  ...

-This will find and print all files ending in ``.txt`` located in ``etc/`` or a
-subdirectory and add the corresponding pattern to the list for subsequent restores.
+This will find and print all files ending in ``.txt`` located in ``etc/`` or its
+subdirectories, and add the corresponding pattern to the list for subsequent restores.
 ``list-selected`` shows these patterns and ``restore-selected`` finally restores
 all files in the archive matching the patterns to ``/target/path`` on the local
 host. This will scan the whole archive.
@ -513,7 +515,7 @@ This allows you to access the full contents of the archive in a seamless manner.
    load on your host, depending on the operations you perform on the mounted
    filesystem.

-To unmount the filesystem use the ``umount`` command on the mountpoint:
+To unmount the filesystem, use the ``umount`` command on the mount point:

 .. code-block:: console

@ -522,7 +524,7 @@ To unmount the filesystem use the ``umount`` command on the mountpoint:
 Login and Logout
 ----------------

-The client tool prompts you to enter the logon password as soon as you
+The client tool prompts you to enter the login password as soon as you
 want to access the backup server. The server checks your credentials
 and responds with a ticket that is valid for two hours. The client
 tool automatically stores that ticket and uses it for further requests
@ -652,6 +654,25 @@ shows the list of existing snapshots and what actions prune would take.
   in the chunk-store. The chunk-store still contains the data blocks. To free
   space you need to perform :ref:`client_garbage-collection`.

+It is also possible to protect single snapshots from being pruned or deleted:
+
+.. code-block:: console
+
+  # proxmox-backup-client snapshot protected update <snapshot> true
+
+This will set the protected flag on the snapshot and prevent pruning or manual
+deletion of this snapshot untilt he flag is removed again with:
+
+.. code-block:: console
+
+  # proxmox-backup-client snapshot protected update <snapshot> false
+
+When a group is with a protected snapshot is deleted, only the non-protected
+ones are removed and the group will remain.
+
+.. note:: This flag will not be synced when using pull or sync jobs. If you
+   want to protect a synced snapshot, you have to manually to this again on
+   the target backup server.

 .. _client_garbage-collection:

@ -677,7 +698,7 @@ unused data blocks are removed.
   (access time) property. Filesystems are mounted with the ``relatime`` option
   by default. This results in a better performance by only updating the
   ``atime`` property if the last access has been at least 24 hours ago. The
-   downside is, that touching a chunk within these 24 hours will not always
+   downside is that touching a chunk within these 24 hours will not always
   update its ``atime`` property.

   Chunks in the grace period will be logged at the end of the garbage
@ -701,8 +722,8 @@ unused data blocks are removed.
  Average chunk size: 2486565
  TASK OK

-
-.. todo:: howto run garbage-collection at regular intervals (cron)
+Garbage collection can also be scheduled using ``promxox-backup-manager`` or
+from the Proxmox Backup Server's web interface.

 Benchmarking
 ------------
--- a/docs/backup-protocol.rst
+++ b/docs/backup-protocol.rst
@ -1,10 +1,10 @@
 Backup Protocol
 ===============

-Proxmox Backup Server uses a REST based API. While the management
-interface use normal HTTP, the actual backup and restore interface use
+Proxmox Backup Server uses a REST-based API. While the management
+interface uses normal HTTP, the actual backup and restore interface uses
 HTTP/2 for improved performance. Both HTTP and HTTP/2 are well known
-standards, so the following section assumes that you are familiar on
+standards, so the following section assumes that you are familiar with
 how to use them.


@ -13,35 +13,35 @@ Backup Protocol API

 To start a new backup, the API call ``GET /api2/json/backup`` needs to
 be upgraded to a HTTP/2 connection using
-``proxmox-backup-protocol-v1`` as protocol name::
+``proxmox-backup-protocol-v1`` as the protocol name::

  GET /api2/json/backup HTTP/1.1
  UPGRADE: proxmox-backup-protocol-v1

-The server replies with HTTP 101 Switching Protocol status code,
-and you can then issue REST commands on that updated HTTP/2 connection.
+The server replies with the ``HTTP 101 Switching Protocol`` status code,
+and you can then issue REST commands on the updated HTTP/2 connection.

 The backup protocol allows you to upload three different kind of files:

 - Chunks and blobs (binary data)

- Fixed Indexes (List of chunks with fixed size)
+- Fixed indexes (List of chunks with fixed size)

- Dynamic Indexes (List of chunk with variable size)
+- Dynamic indexes (List of chunks with variable size)

-The following section gives a short introduction how to upload such
+The following section provides a short introduction on how to upload such
 files. Please use the `API Viewer <api-viewer/index.html>`_ for
-details about available REST commands.
+details about the available REST commands.


 Upload Blobs
 ~~~~~~~~~~~~

-Uploading blobs is done using ``POST /blob``. The HTTP body contains the
-data encoded as :ref:`Data Blob <data-blob-format>`).
+Blobs are uploaded using ``POST /blob``. The HTTP body contains the
+data encoded as :ref:`Data Blob <data-blob-format>`.

-The file name needs to end with ``.blob``, and is automatically added
-to the backup manifest.
+The file name must end with ``.blob``, and is automatically added
+to the backup manifest, following the call to ``POST /finish``.


 Upload Chunks
@ -56,40 +56,41 @@ encoded as :ref:`Data Blob <data-blob-format>`).
 Upload Fixed Indexes
 ~~~~~~~~~~~~~~~~~~~~

-Fixed indexes are use to store VM image data. The VM image is split
+Fixed indexes are used to store VM image data. The VM image is split
 into equally sized chunks, which are uploaded individually. The index
-file simply contains a list to chunk digests.
+file simply contains a list of chunk digests.

-You create a fixed index with ``POST /fixed_index``. Then upload
+You create a fixed index with ``POST /fixed_index``. Then, upload
 chunks with ``POST /fixed_chunk``, and append them to the index with
 ``PUT /fixed_index``. When finished, you need to close the index using
 ``POST /fixed_close``.

 The file name needs to end with ``.fidx``, and is automatically added
-to the backup manifest.
+to the backup manifest, following the call to ``POST /finish``.


 Upload Dynamic Indexes
 ~~~~~~~~~~~~~~~~~~~~~~

-Dynamic indexes are use to store file archive data. The archive data
+Dynamic indexes are used to store file archive data. The archive data
 is split into dynamically sized chunks, which are uploaded
-individually. The index file simply contains a list to chunk digests
+individually. The index file simply contains a list of chunk digests
 and offsets.

-You create a dynamic sized index with ``POST /dynamic_index``. Then
+You can create a dynamically sized index with ``POST /dynamic_index``. Then,
 upload chunks with ``POST /dynamic_chunk``, and append them to the index with
 ``PUT /dynamic_index``. When finished, you need to close the index using
 ``POST /dynamic_close``.

 The filename needs to end with ``.didx``, and is automatically added
-to the backup manifest.
+to the backup manifest, following the call to ``POST /finish``.
+

 Finish Backup
 ~~~~~~~~~~~~~

-Once you have uploaded all data, you need to call ``POST
-/finish``. This commits all data and ends the backup protocol.
+Once you have uploaded all data, you need to call ``POST /finish``. This
+commits all data and ends the backup protocol.


 Restore/Reader Protocol API
@ -102,39 +103,39 @@ be upgraded to a HTTP/2 connection using
  GET /api2/json/reader HTTP/1.1
  UPGRADE: proxmox-backup-reader-protocol-v1

-The server replies with HTTP 101 Switching Protocol status code,
+The server replies with the ``HTTP 101 Switching Protocol`` status code,
 and you can then issue REST commands on that updated HTTP/2 connection.

-The reader protocol allows you to download three different kind of files:
+The reader protocol allows you to download three different kinds of files:

 - Chunks and blobs (binary data)

- Fixed Indexes (List of chunks with fixed size)
+- Fixed indexes (list of chunks with fixed size)

- Dynamic Indexes (List of chunk with variable size)
+- Dynamic indexes (list of chunks with variable size)

-The following section gives a short introduction how to download such
+The following section provides a short introduction on how to download such
 files. Please use the `API Viewer <api-viewer/index.html>`_ for details about
-available REST commands.
+the available REST commands.


 Download Blobs
 ~~~~~~~~~~~~~~

-Downloading blobs is done using ``GET /download``. The HTTP body contains the
+Blobs are downloaded using ``GET /download``. The HTTP body contains the
 data encoded as :ref:`Data Blob <data-blob-format>`.


 Download Chunks
 ~~~~~~~~~~~~~~~

-Downloading chunks is done using ``GET /chunk``. The HTTP body contains the
-data encoded as :ref:`Data Blob <data-blob-format>`).
+Chunks are downloaded using ``GET /chunk``. The HTTP body contains the
+data encoded as :ref:`Data Blob <data-blob-format>`.


 Download Index Files
 ~~~~~~~~~~~~~~~~~~~~

-Downloading index files is done using ``GET /download``. The HTTP body
+Index files are downloaded using ``GET /download``. The HTTP body
 contains the data encoded as :ref:`Fixed Index <fixed-index-format>`
 or :ref:`Dynamic Index <dynamic-index-format>`.
--- a/docs/calendarevents.rst
+++ b/docs/calendarevents.rst
@ -37,7 +37,7 @@ Each field can contain multiple values in the following formats:
 * and a combination of the above: e.g., 01,05..10,12/02
 * or a `*` for every possible value: e.g., \*:00

-There are some special values that have specific meaning:
+There are some special values that have a specific meaning:

 =================================  ==============================
 Value                              Syntax
@ -81,19 +81,19 @@ Not all features of systemd calendar events are implemented:

 * no Unix timestamps (e.g. `@12345`): instead use date and time to specify
  a specific point in time
-* no timezone: all schedules use the set timezone on the server
+* no timezone: all schedules use the timezone of the server
 * no sub-second resolution
 * no reverse day syntax (e.g. 2020-03~01)
 * no repetition of ranges (e.g. 1..10/2)

-Notes on scheduling
+Notes on Scheduling
 -------------------

-In `Proxmox Backup`_ scheduling for most tasks is done in the
+In `Proxmox Backup`_, scheduling for most tasks is done in the
 `proxmox-backup-proxy`. This daemon checks all job schedules
-if they are due every minute. This means that even if
+every minute, to see if any are due. This means that even though
 `calendar events` can contain seconds, it will only be checked
-once a minute.
+once per minute.

 Also, all schedules will be checked against the timezone set
 in the `Proxmox Backup`_ server.
--- a/docs/command-syntax.rst
+++ b/docs/command-syntax.rst
@ -10,7 +10,7 @@ Command Syntax
 Catalog Shell Commands
 ~~~~~~~~~~~~~~~~~~~~~~

-Those command are available when you start an interactive restore shell:
+The following commands are available in an interactive restore shell:

 .. code-block:: console

--- a/docs/config/acl/format.rst
+++ b/docs/config/acl/format.rst
@ -2,13 +2,13 @@ This file contains the access control list for the Proxmox Backup
 Server API.

 Each line starts with ``acl:``, followed by 4 additional values
-separated by collon.
+separated by colon.

-:propagate: Propagate permissions down the hierachrchy
+:propagate: Propagate permissions down the hierarchy

 :path: The object path

-:User/Token: List of users and token
+:User/Token: List of users and tokens

 :Role: List of assigned roles

--- a/docs/config/datastore/format.rst
+++ b/docs/config/datastore/format.rst
@ -1,5 +1,5 @@
-The file contains a list of datastore configuration sections. Each
-section starts with a header ``datastore: <name>``, followed by the
+This file contains a list of datastore configuration sections. Each
+section starts with the header ``datastore: <name>``, followed by the
 datastore configuration options.

 ::
--- a/docs/config/media-pool/format.rst
+++ b/docs/config/media-pool/format.rst
@ -1,4 +1,4 @@
-Each entry starts with a header ``pool: <name>``, followed by the
+Each entry starts with the header ``pool: <name>``, followed by the
 media pool configuration options.

 ::
--- a/docs/config/remote/format.rst
+++ b/docs/config/remote/format.rst
@ -1,6 +1,6 @@
 This file contains information used to access remote servers.

-Each entry starts with a header ``remote: <name>``, followed by the
+Each entry starts with the header ``remote: <name>``, followed by the
 remote configuration options.

 ::
--- a/docs/config/sync/format.rst
+++ b/docs/config/sync/format.rst
@ -1,4 +1,4 @@
-Each entry starts with a header ``sync: <name>``, followed by the
+Each entry starts with the header ``sync: <name>``, followed by the
 job configuration options.

 ::
--- a/docs/config/tape-job/format.rst
+++ b/docs/config/tape-job/format.rst
@ -1,4 +1,4 @@
-Each entry starts with a header ``backup: <name>``, followed by the
+Each entry starts with the header ``backup: <name>``, followed by the
 job configuration options.

 ::
--- a/docs/config/tape/format.rst
+++ b/docs/config/tape/format.rst
@ -1,7 +1,7 @@
-Each LTO drive configuration section starts with a header ``lto: <name>``,
+Each LTO drive configuration section starts with the header ``lto: <name>``,
 followed by the drive configuration options.

-Tape changer configurations starts with  ``changer: <name>``,
+Tape changer configurations start with the header ``changer: <name>``,
 followed by the changer configuration options.

 ::
@ -18,5 +18,5 @@ followed by the changer configuration options.
 You can use the ``proxmox-tape drive`` and ``proxmox-tape changer``
 commands to manipulate this file.

-.. NOTE:: The ``virtual:`` drive type is experimental and onyl used
+.. NOTE:: The ``virtual:`` drive type is experimental and should only be used
   for debugging.
--- a/docs/config/user/format.rst
+++ b/docs/config/user/format.rst
@ -1,9 +1,9 @@
 This file contains the list of API users and API tokens.

-Each user configuration section starts with a header ``user: <name>``,
+Each user configuration section starts with the header ``user: <name>``,
 followed by the user configuration options.

-API token configuration starts with a header ``token:
+API token configuration starts with the header ``token:
 <userid!token_name>``, followed by the token configuration. The data
 used to authenticate tokens is stored in a separate file
 (``token.shadow``).
--- a/docs/config/verification/format.rst
+++ b/docs/config/verification/format.rst
@ -1,4 +1,4 @@
-Each entry starts with a header ``verification: <name>``, followed by the
+Each entry starts with the header ``verification: <name>``, followed by the
 job configuration options.

 ::
--- a/docs/configuration-files.rst
+++ b/docs/configuration-files.rst
@ -1,7 +1,7 @@
 Configuration Files
 ===================

-All Proxmox Backup Server configuration files resides inside directory
+All Proxmox Backup Server configuration files reside in the directory
 ``/etc/proxmox-backup/``.


--- a/docs/epilog.rst
+++ b/docs/epilog.rst
@ -13,7 +13,6 @@
 .. _Proxmox: https://www.proxmox.com
 .. _Proxmox Community Forum: https://forum.proxmox.com
 .. _Proxmox Virtual Environment: https://www.proxmox.com/proxmox-ve
-.. FIXME
 .. _Proxmox Backup: https://pbs.proxmox.com/wiki/index.php/Main_Page
 .. _PBS Development List: https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel
 .. _reStructuredText: https://www.sphinx-doc.org/en/master/usage/restructuredtext/index.html
@ -23,6 +22,7 @@
 .. _Virtual machine: https://en.wikipedia.org/wiki/Virtual_machine
 .. _APT: http://en.wikipedia.org/wiki/Advanced_Packaging_Tool
 .. _QEMU: https://www.qemu.org/
+.. _LXC: https://linuxcontainers.org/lxc/introduction/

 .. _Client-server model: https://en.wikipedia.org/wiki/Client-server_model
 .. _AE: https://en.wikipedia.org/wiki/Authenticated_encryption
--- a/docs/faq.rst
+++ b/docs/faq.rst
@ -69,6 +69,6 @@ be able to read the data.
 Is the backup incremental/deduplicated?
 ---------------------------------------

-With Proxmox Backup Server, backups are sent incremental and data is
-deduplicated on the server.
-This minimizes both the storage consumed and the network impact.
+With Proxmox Backup Server, backups are sent incrementally to the server, and
+data is then deduplicated on the server. This minimizes both the storage
+consumed and the impact on the network.
--- a/docs/file-formats.rst
+++ b/docs/file-formats.rst
@ -14,7 +14,8 @@ Proxmox File Archive Format (``.pxar``)
 Data Blob Format (``.blob``)
 ----------------------------

-The data blob format is used to store small binary data. The magic number decides the exact format:
+The data blob format is used to store small binary data. The magic number
+decides the exact format:

 .. list-table::
   :widths: auto
@ -32,7 +33,8 @@ The data blob format is used to store small binary data. The magic number decide
     - encrypted
     - compressed

-Compression algorithm is ``zstd``. Encryption cipher is ``AES_256_GCM``.
+The compression algorithm used is ``zstd``. The encryption cipher is
+``AES_256_GCM``.

 Unencrypted blobs use the following format:

@ -43,9 +45,9 @@ Unencrypted blobs use the following format:
   * - ``CRC32: [u8; 4]``
   * - ``Data: (max 16MiB)``

-Encrypted blobs additionally contains a 16 byte IV, followed by a 16
-byte Authenticated Encyryption (AE) tag, followed by the encrypted
-data:
+Encrypted blobs additionally contain a 16 byte initialization vector (IV),
+followed by a 16 byte authenticated encryption (AE) tag, followed by the
+encrypted data:

 .. list-table::

@ -72,19 +74,19 @@ All numbers are stored as little-endian.
   * - ``ctime: i64``,
     - Creation Time (epoch)
   * - ``index_csum: [u8; 32]``,
-     - Sha256 over the index (without header) ``SHA256(digest1||digest2||...)``
+     - SHA-256 over the index (without header) ``SHA256(digest1||digest2||...)``
   * - ``size: u64``,
     - Image size
   * - ``chunk_size: u64``,
     - Chunk size
   * - ``reserved: [u8; 4016]``,
-     - overall header size is one page (4096 bytes)
+     - Overall header size is one page (4096 bytes)
   * - ``digest1: [u8; 32]``
-     - first chunk digest
+     - First chunk digest
   * - ``digest2: [u8; 32]``
-     - next chunk
+     - Second chunk digest
   * - ...
-     - next chunk ...
+     - Next chunk digest ...


 .. _dynamic-index-format:
@ -103,16 +105,16 @@ All numbers are stored as little-endian.
   * - ``ctime: i64``,
     - Creation Time (epoch)
   * - ``index_csum: [u8; 32]``,
-     - Sha256 over the index (without header) ``SHA256(offset1||digest1||offset2||digest2||...)``
+     - SHA-256 over the index (without header) ``SHA256(offset1||digest1||offset2||digest2||...)``
   * - ``reserved: [u8; 4032]``,
     - Overall header size is one page (4096 bytes)
   * - ``offset1: u64``
     - End of first chunk
   * - ``digest1: [u8; 32]``
-     - first chunk digest
+     - First chunk digest
   * - ``offset2: u64``
     - End of second chunk
   * - ``digest2: [u8; 32]``
-     - second chunk digest
+     - Second chunk digest
   * - ...
-     - next chunk offset/digest
+     - Next chunk offset/digest
--- a/docs/glossary.rst
+++ b/docs/glossary.rst
@ -11,7 +11,7 @@ Glossary
   `Container`_

      A container is an isolated user space. Programs run directly on
-      the host's kernel, but with limited access to the host resources.
+      the host's kernel, but with limited access to the host's resources.

   Datastore

@ -23,19 +23,19 @@ Glossary
      Rust is a new, fast and memory-efficient system programming
      language. It has no runtime or garbage collector. Rust’s rich type
      system and ownership model guarantee memory-safety and
-      thread-safety. I can eliminate many classes of bugs
+      thread-safety. This can eliminate many classes of bugs
      at compile-time.

   `Sphinx`_

-      Is a tool that makes it easy to create intelligent and
-      beautiful documentation. It was originally created for the
-      documentation of the Python programming language. It has excellent facilities for the
+      Is a tool that makes it easy to create intelligent and nicely formatted
+      documentation. It was originally created for the documentation of the
+      Python programming language. It has excellent facilities for the
      documentation of software projects in a range of languages.

   `reStructuredText`_

-      Is an easy-to-read, what-you-see-is-what-you-get plaintext
+      Is an easy-to-read, what-you-see-is-what-you-get, plaintext
      markup syntax and parser system.

   `FUSE`
--- a/docs/gui.rst
+++ b/docs/gui.rst
@ -8,8 +8,9 @@ tools. The web interface also provides a built-in console, so if you prefer the
 command line or need some extra control, you have this option.

 The web interface can be accessed via https://youripaddress:8007. The default
-login is `root`, and the password is the one specified during the installation
-process.
+login is `root`, and the password is either the one specified during the
+installation process or the password of the root user, in case of installation
+on top of Debian.


 Features
@ -48,12 +49,13 @@ GUI Overview

 The Proxmox Backup Server web interface consists of 3 main sections:

-* **Header**: At the top. This shows version information, and contains buttons to view
-  documentation, monitor running tasks, set the language and logout.
-* **Sidebar**: On the left. This contains the configuration options for
+* **Header**: At the top. This shows version information and contains buttons to
+  view documentation, monitor running tasks, set the language, configure various
+  display settings, and logout.
+* **Sidebar**: On the left. This contains the administration options for
  the server.
-* **Configuration Panel**: In the center. This contains the control interface for the
-  configuration options in the *Sidebar*.
+* **Configuration Panel**: In the center. This contains the respective control
+  interfaces for the administration options in the *Sidebar*.


 Sidebar
@ -74,12 +76,14 @@ previous and currently running tasks, and subscription information.
 Configuration
 ^^^^^^^^^^^^^

-The Configuration section contains some system configuration options, such as
-time and network configuration. It also contains the following subsections:
+The Configuration section contains some system options, such as time, network,
+WebAuthn, and HTTP proxy configuration. It also contains the following
+subsections:

 * **Access Control**: Add and manage users, API tokens, and the permissions
  associated with these items
 * **Remotes**: Add, edit and remove remotes (see :term:`Remote`)
+* **Certificates**: Manage ACME accounts and create SSL certificates.
 * **Subscription**: Upload a subscription key, view subscription status and
  access a text-based system report.

@ -98,6 +102,7 @@ tasks and information. These are:
  resource usage statistics
 * **Services**: Manage and monitor system services
 * **Updates**: An interface for upgrading packages
+* **Repositories**: An interface for configuring APT repositories
 * **Syslog**: View log messages from the server
 * **Tasks**: Task history with multiple filter options

@ -119,11 +124,20 @@ Tape Backup
  :align: right
  :alt: Tape Backup: Tape changer overview

-The `Tape Backup`_ section contains a top panel, managing tape media sets,
-inventories, drives, changers and the tape backup jobs itself.
+The `Tape Backup`_ section contains a top panel, with options for managing tape
+media sets, inventories, drives, changers, encryption keys, and the tape backup
+jobs itself. The tabs are as follows:

-It also contains a subsection per standalone drive and per changer, with a
-status and management view for those devices.
+* **Content**: Information on the contents of the tape backup
+* **Inventory**: Manage the tapes attached to the system
+* **Changers**: Manage tape loading devices
+* **Drives**: Manage drives used for reading and writing to tapes
+* **Media Pools**: Manage logical pools of tapes
+* **Encryption Keys**: Manage tape backup encryption keys
+* **Backup Jobs**: Manage tape backup jobs
+
+The section also contains a subsection per standalone drive and per changer,
+with a status and management view for those devices.

 Datastore
 ^^^^^^^^^
@ -133,9 +147,9 @@ Datastore
  :alt: Datastore Configuration

 The Datastore section contains interfaces for creating and managing
-datastores. It contains a button to create a new datastore on the server, as
-well as a subsection for each datastore on the system, in which you can use the
-top panel to view:
+datastores. It also contains a button for creating a new datastore on the
+server, as well as a subsection for each datastore on the system, in which you
+can use the top panel to view:

 * **Summary**: Access a range of datastore usage statistics
 * **Content**: Information on the datastore's backup groups and their respective
@ -144,5 +158,7 @@ top panel to view:
  collection <client_garbage-collection>` operations, and run garbage collection
  manually
 * **Sync Jobs**: Create, manage and run :ref:`syncjobs` from remote servers
-* **Verify Jobs**: Create, manage and run :ref:`maintenance_verification` jobs on the
-  datastore
+* **Verify Jobs**: Create, manage and run :ref:`maintenance_verification` jobs
+  on the datastore
+* **Options**: Configure notification and verification settings
+* **Permissions**: Manage permissions on the datastore
--- a/docs/images/screenshots/pbs-gui-syncjob-add.png
+++ b/docs/images/screenshots/pbs-gui-syncjob-add.png
--- a/docs/images/screenshots/pbs-gui-traffic-control-add.png
+++ b/docs/images/screenshots/pbs-gui-traffic-control-add.png
--- a/docs/installation.rst
+++ b/docs/installation.rst
@ -19,24 +19,24 @@ for various management tasks such as disk management.
   `Proxmox Backup`_ without the server part.

 The disk image (ISO file) provided by Proxmox includes a complete Debian system
-as well as all necessary packages for the `Proxmox Backup`_ server.
+as well as all necessary packages for the `Proxmox Backup`_ Server.

 The installer will guide you through the setup process and allow
-you to partition the local disk(s), apply basic system configurations
-(e.g. timezone, language, network), and install all required packages.
+you to partition the local disk(s), apply basic system configuration
+(for example timezone, language, network), and install all required packages.
 The provided ISO will get you started in just a few minutes, and is the
 recommended method for new and existing users.

-Alternatively, `Proxmox Backup`_ server can be installed on top of an
+Alternatively, `Proxmox Backup`_ Server can be installed on top of an
 existing Debian system.

-Install `Proxmox Backup`_ with the Installer
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Install `Proxmox Backup`_ Server using the Installer
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 Download the ISO from |DOWNLOADS|.
 It includes the following:

-* The `Proxmox Backup`_ server installer, which partitions the local
+* The `Proxmox Backup`_ Server installer, which partitions the local
  disk(s) with ext4, xfs or ZFS, and installs the operating system

 * Complete operating system (Debian Linux, 64-bit)
@ -63,7 +63,7 @@ standard Debian installation. After configuring the
  # apt-get update
  # apt-get install proxmox-backup-server

-The commands above keep the current (Debian) kernel and install a minimal
+The above commands keep the current (Debian) kernel and install a minimal
 set of required packages.

 If you want to install the same set of packages as the installer
--- a/docs/introduction.rst
+++ b/docs/introduction.rst
@ -4,15 +4,15 @@ Introduction
 What is Proxmox Backup Server?
 ------------------------------

-Proxmox Backup Server is an enterprise-class, client-server backup software
-package that backs up :term:`virtual machine`\ s, :term:`container`\ s, and
+Proxmox Backup Server is an enterprise-class, client-server backup solution that
+is capable of backing up :term:`virtual machine`\ s, :term:`container`\ s, and
 physical hosts. It is specially optimized for the `Proxmox Virtual Environment`_
 platform and allows you to back up your data securely, even between remote
-sites, providing easy management with a web-based user interface.
+sites, providing easy management through a web-based user interface.

 It supports deduplication, compression, and authenticated
-encryption (AE_). Using :term:`Rust` as the implementation language guarantees high
-performance, low resource usage, and a safe, high-quality codebase.
+encryption (AE_). Using :term:`Rust` as the implementation language guarantees
+high performance, low resource usage, and a safe, high-quality codebase.

 Proxmox Backup uses state of the art cryptography for both client-server
 communication and backup content :ref:`encryption <client_encryption>`. All
@ -28,22 +28,23 @@ Proxmox Backup Server uses a `client-server model`_. The server stores the
 backup data and provides an API to create and manage datastores. With the
 API, it's also possible to manage disks and other server-side resources.

-The backup client uses this API to access the backed up data. With the command
-line tool ``proxmox-backup-client`` you can create backups and restore data.
-For QEMU_ with `Proxmox Virtual Environment`_ we deliver an integrated client.
+The backup client uses this API to access the backed up data. You can use the
+``proxmox-backup-client`` command line tool to create and restore file backups.
+For QEMU_ and LXC_ within `Proxmox Virtual Environment`_, we deliver an
+integrated client.

 A single backup is allowed to contain several archives. For example, when you
 backup a :term:`virtual machine`, each disk is stored as a separate archive
 inside that backup. The VM configuration itself is stored as an extra file.
-This way, it's easy to access and restore only important parts of the backup,
-without the need to scan the whole backup.
+This way, it's easy to access and restore only the important parts of the
+backup, without the need to scan the whole backup.


 Main Features
 -------------

 :Support for Proxmox VE: The `Proxmox Virtual Environment`_ is fully
-   supported and you can easily backup :term:`virtual machine`\ s and
+   supported, and you can easily backup :term:`virtual machine`\ s and
   :term:`container`\ s.

 :Performance: The whole software stack is written in :term:`Rust`,
@ -70,6 +71,10 @@ Main Features
   modern hardware. In addition to client-side encryption, all data is
   transferred via a secure TLS connection.

+:Tape backup: For long-term archiving of data, Proxmox Backup Server also
+   provides extensive support for backing up to tape and managing tape
+   libraries.
+
 :Web interface: Manage the Proxmox Backup Server with the integrated, web-based
   user interface.

@ -80,7 +85,7 @@ Main Features
   backup-clients.

 :Enterprise Support: Proxmox Server Solutions GmbH offers enterprise support in
-   form of `Proxmox Backup Server Subscription Plans
+   the form of `Proxmox Backup Server Subscription Plans
   <https://www.proxmox.com/en/proxmox-backup-server/pricing>`_. Users at every
   subscription level get access to the Proxmox Backup :ref:`Enterprise
   Repository <sysadmin_package_repos_enterprise>`. In addition, with a Basic,
@ -173,7 +178,7 @@ Bug Tracker
 ~~~~~~~~~~~

 Proxmox runs a public bug tracker at `<https://bugzilla.proxmox.com>`_. If an
-issue appears, file your report there. An issue can be a bug as well as a
+issue appears, file your report there. An issue can be a bug, as well as a
 request for a new feature or enhancement. The bug tracker helps to keep track
 of the issue and will send a notification once it has been solved.

@ -224,5 +229,6 @@ requirements.

 In July 2020, we released the first beta version of Proxmox Backup
 Server, followed by the first stable version in November 2020. With support for
-incremental, fully deduplicated backups, Proxmox Backup significantly reduces
-network load and saves valuable storage space.
+encryption and incremental, fully deduplicated backups, Proxmox Backup offers a
+secure environment, which significantly reduces network load and saves valuable
+storage space.
--- a/docs/local-zfs.rst
+++ b/docs/local-zfs.rst
@ -4,17 +4,17 @@
 ZFS on Linux
 ------------

-ZFS is a combined file system and logical volume manager designed by
+ZFS is a combined file system and logical volume manager, designed by
 Sun Microsystems. There is no need to manually compile ZFS modules - all
 packages are included.

 By using ZFS, it's possible to achieve maximum enterprise features with
-low budget hardware, but also high performance systems by leveraging
-SSD caching or even SSD only setups. ZFS can replace cost intense
-hardware raid cards by moderate CPU and memory load combined with easy
+low budget hardware, and also high performance systems by leveraging
+SSD caching or even SSD only setups. ZFS can replace expensive
+hardware raid cards with moderate CPU and memory load, combined with easy
 management.

-General ZFS advantages
+General advantages of ZFS:

 * Easy configuration and management with GUI and CLI.
 * Reliable
@ -34,18 +34,18 @@ General ZFS advantages
 Hardware
 ~~~~~~~~~

-ZFS depends heavily on memory, so you need at least 8GB to start. In
-practice, use as much you can get for your hardware/budget. To prevent
+ZFS depends heavily on memory, so it's recommended to have at least 8GB to
+start. In practice, use as much you can get for your hardware/budget. To prevent
 data corruption, we recommend the use of high quality ECC RAM.

 If you use a dedicated cache and/or log disk, you should use an
-enterprise class SSD (e.g. Intel SSD DC S3700 Series). This can
+enterprise class SSD (for example, Intel SSD DC S3700 Series). This can
 increase the overall performance significantly.

-IMPORTANT: Do not use ZFS on top of hardware controller which has its
+IMPORTANT: Do not use ZFS on top of a hardware controller which has its
 own cache management. ZFS needs to directly communicate with disks. An
-HBA adapter is the way to go, or something like LSI controller flashed
-in ``IT`` mode.
+HBA adapter or something like an LSI controller flashed in ``IT`` mode is
+recommended.


 ZFS Administration
@ -53,7 +53,7 @@ ZFS Administration

 This section gives you some usage examples for common tasks. ZFS
 itself is really powerful and provides many options. The main commands
-to manage ZFS are `zfs` and `zpool`. Both commands come with great
+to manage ZFS are `zfs` and `zpool`. Both commands come with extensive
 manual pages, which can be read with:

 .. code-block:: console
@ -123,7 +123,7 @@ Create a new pool with cache (L2ARC)
 It is possible to use a dedicated cache drive partition to increase
 the performance (use SSD).

-As `<device>` it is possible to use more devices, like it's shown in
+For `<device>`, you can use multiple devices, as is shown in
 "Create a new pool with RAID*".

 .. code-block:: console
@ -136,7 +136,7 @@ Create a new pool with log (ZIL)
 It is possible to use a dedicated cache drive partition to increase
 the performance (SSD).

-As `<device>` it is possible to use more devices, like it's shown in
+For `<device>`, you can use multiple devices, as is shown in
 "Create a new pool with RAID*".

 .. code-block:: console
@ -146,8 +146,9 @@ As `<device>` it is possible to use more devices, like it's shown in
 Add cache and log to an existing pool
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

-If you have a pool without cache and log. First partition the SSD in
-2 partition with `parted` or `gdisk`
+You can add cache and log devices to a pool after its creation. In this example,
+we will use a single drive for both cache and log. First, you need to create
+2 partitions on the SSD with `parted` or `gdisk`

 .. important:: Always use GPT partition tables.

@ -171,12 +172,12 @@ Changing a failed device
 Changing a failed bootable device
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

-Depending on how Proxmox Backup was installed it is either using `grub` or `systemd-boot`
-as bootloader.
+Depending on how Proxmox Backup was installed, it is either using `grub` or
+`systemd-boot` as a bootloader.

-The first steps of copying the partition table, reissuing GUIDs and replacing
-the ZFS partition are the same. To make the system bootable from the new disk,
-different steps are needed which depend on the bootloader in use.
+In either case, the first steps of copying the partition table, reissuing GUIDs
+and replacing the ZFS partition are the same. To make the system bootable from
+the new disk, different steps are needed which depend on the bootloader in use.

 .. code-block:: console

@ -207,7 +208,7 @@ Usually `grub.cfg` is located in `/boot/grub/grub.cfg`
  # grub-mkconfig -o /path/to/grub.cfg


-Activate E-Mail Notification
+Activate e-mail notification
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

 ZFS comes with an event daemon, which monitors events generated by the
@ -219,24 +220,24 @@ and you can install it using `apt-get`:

  # apt-get install zfs-zed

-To activate the daemon it is necessary to edit `/etc/zfs/zed.d/zed.rc` with your
-favorite editor, and uncomment the `ZED_EMAIL_ADDR` setting:
+To activate the daemon, it is necessary to to uncomment the ZED_EMAIL_ADDR
+setting, in the file `/etc/zfs/zed.d/zed.rc`.

 .. code-block:: console

  ZED_EMAIL_ADDR="root"

-Please note Proxmox Backup forwards mails to `root` to the email address
+Please note that Proxmox Backup forwards mails to `root` to the email address
 configured for the root user.

 IMPORTANT: The only setting that is required is `ZED_EMAIL_ADDR`. All
 other settings are optional.

-Limit ZFS Memory Usage
+Limit ZFS memory usage
 ^^^^^^^^^^^^^^^^^^^^^^

 It is good to use at most 50 percent (which is the default) of the
-system memory for ZFS ARC to prevent performance shortage of the
+system memory for ZFS ARC, to prevent performance degradation of the
 host. Use your preferred editor to change the configuration in
 `/etc/modprobe.d/zfs.conf` and insert:

@ -244,25 +245,40 @@ host. Use your preferred editor to change the configuration in

  options zfs zfs_arc_max=8589934592

-This example setting limits the usage to 8GB.
+The above example limits the usage to 8 GiB ('8 * 2^30^').

-.. IMPORTANT:: If your root file system is ZFS you must update your initramfs every time this value changes:
+.. IMPORTANT:: In case your desired `zfs_arc_max` value is lower than or equal
+   to `zfs_arc_min` (which defaults to 1/32 of the system memory), `zfs_arc_max`
+   will be ignored. Thus, for it to work in this case, you must set
+   `zfs_arc_min` to at most `zfs_arc_max - 1`. This would require updating the
+   configuration in `/etc/modprobe.d/zfs.conf`, with:
+
+.. code-block:: console
+  options zfs zfs_arc_min=8589934591
+  options zfs zfs_arc_max=8589934592
+
+This example setting limits the usage to 8 GiB ('8 * 2^30^') on
+systems with more than 256 GiB of total memory, where simply setting
+`zfs_arc_max` alone would not work.
+
+.. IMPORTANT:: If your root file system is ZFS, you must update your initramfs
+   every time this value changes.

 .. code-block:: console

  # update-initramfs -u


-SWAP on ZFS
+Swap on ZFS
 ^^^^^^^^^^^

-Swap-space created on a zvol may generate some troubles, like blocking the
+Swap-space created on a zvol may cause some issues, such as blocking the
 server or generating a high IO load, often seen when starting a Backup
 to an external Storage.

-We strongly recommend to use enough memory, so that you normally do not
+We strongly recommend using enough memory, so that you normally do not
 run into low memory situations. Should you need or want to add swap, it is
-preferred to create a partition on a physical disk and use it as swap device.
+preferred to create a partition on a physical disk and use it as a swap device.
 You can leave some space free for this purpose in the advanced options of the
 installer. Additionally, you can lower the `swappiness` value.
 A good value for servers is 10:
@ -291,7 +307,7 @@ an editor of your choice and add the following line:
   vm.swappiness = 100  The kernel will swap aggressively.
  ====================  ===============================================================

-ZFS Compression
+ZFS compression
 ^^^^^^^^^^^^^^^

 To activate compression:
@ -300,10 +316,11 @@ To activate compression:
  # zpool set compression=lz4 <pool>

 We recommend using the `lz4` algorithm, since it adds very little CPU overhead.
-Other algorithms such as `lzjb` and `gzip-N` (where `N` is an integer `1-9` representing
-the compression ratio, 1 is fastest and 9 is best compression) are also available.
-Depending on the algorithm and how compressible the data is, having compression enabled can even increase
-I/O performance.
+Other algorithms such as `lzjb` and `gzip-N` (where `N` is an integer from `1-9`
+representing the compression ratio, where 1 is fastest and 9 is best
+compression) are also available. Depending on the algorithm and how
+compressible the data is, having compression enabled can even increase I/O
+performance.

 You can disable compression at any time with:
 .. code-block:: console
@ -314,26 +331,26 @@ Only new blocks will be affected by this change.

 .. _local_zfs_special_device:

-ZFS Special Device
+ZFS special device
 ^^^^^^^^^^^^^^^^^^

-Since version 0.8.0 ZFS supports `special` devices. A `special` device in a
+Since version 0.8.0, ZFS supports `special` devices. A `special` device in a
 pool is used to store metadata, deduplication tables, and optionally small
 file blocks.

 A `special` device can improve the speed of a pool consisting of slow spinning
-hard disks with a lot of metadata changes. For example workloads that involve
+hard disks with a lot of metadata changes. For example, workloads that involve
 creating, updating or deleting a large number of files will benefit from the
 presence of a `special` device. ZFS datasets can also be configured to store
-whole small files on the `special` device which can further improve the
+small files on the `special` device, which can further improve the
 performance. Use fast SSDs for the `special` device.

 .. IMPORTANT:: The redundancy of the `special` device should match the one of the
-  pool, since the `special` device is a point of failure for the whole pool.
+  pool, since the `special` device is a point of failure for the entire pool.

 .. WARNING:: Adding a `special` device to a pool cannot be undone!

-Create a pool with `special` device and RAID-1:
+To create a pool with `special` device and RAID-1:

 .. code-block:: console

@ -346,8 +363,8 @@ Adding a `special` device to an existing pool with RAID-1:
  # zpool add <pool> special mirror <device1> <device2>

 ZFS datasets expose the `special_small_blocks=<size>` property. `size` can be
-`0` to disable storing small file blocks on the `special` device or a power of
-two in the range between `512B` to `128K`. After setting the property new file
+`0` to disable storing small file blocks on the `special` device, or a power of
+two in the range between `512B` to `128K`. After setting this property, new file
 blocks smaller than `size` will be allocated on the `special` device.

 .. IMPORTANT:: If the value for `special_small_blocks` is greater than or equal to
@ -355,10 +372,10 @@ blocks smaller than `size` will be allocated on the `special` device.
  the `special` device, so be careful!

 Setting the `special_small_blocks` property on a pool will change the default
-value of that property for all child ZFS datasets (for example all containers
+value of that property for all child ZFS datasets (for example, all containers
 in the pool will opt in for small file blocks).

-Opt in for all file smaller than 4K-blocks pool-wide:
+Opt in for all files smaller than 4K-blocks pool-wide:

 .. code-block:: console

@ -379,10 +396,15 @@ Opt out from small file blocks for a single dataset:
 Troubleshooting
 ^^^^^^^^^^^^^^^

-Corrupted cachefile
+Corrupt cache file
+""""""""""""""""""

-In case of a corrupted ZFS cachefile, some volumes may not be mounted during
-boot until mounted manually later.
+`zfs-import-cache.service` imports ZFS pools using the ZFS cache file. If this
+file becomes corrupted, the service won't be able to import the pools that it's
+unable to read from it.
+
+As a result, in case of a corrupted ZFS cache file, some volumes may not be
+mounted during boot and must be mounted manually later.

 For each pool, run:

@ -390,16 +412,13 @@ For each pool, run:

  # zpool set cachefile=/etc/zfs/zpool.cache POOLNAME

-and afterwards update the `initramfs` by running:
+then, update the `initramfs` by running:

 .. code-block:: console

  # update-initramfs -u -k all

-and finally reboot your node.
-
-Sometimes the ZFS cachefile can get corrupted, and `zfs-import-cache.service`
-doesn't import the pools that aren't present in the cachefile.
+and finally, reboot the node.

 Another workaround to this problem is enabling the `zfs-import-scan.service`,
 which searches and imports pools via device scanning (usually slower).
--- a/docs/maintenance.rst
+++ b/docs/maintenance.rst
@ -14,15 +14,15 @@ following retention options are available:

 ``keep-hourly <N>``
  Keep backups for the last ``<N>`` hours. If there is more than one
-  backup for a single hour, only the latest is kept.
+  backup for a single hour, only the latest is retained.

 ``keep-daily <N>``
  Keep backups for the last ``<N>`` days. If there is more than one
-  backup for a single day, only the latest is kept.
+  backup for a single day, only the latest is retained.

 ``keep-weekly <N>``
  Keep backups for the last ``<N>`` weeks. If there is more than one
-  backup for a single week, only the latest is kept.
+  backup for a single week, only the latest is retained.

  .. note:: Weeks start on Monday and end on Sunday. The software
     uses the `ISO week date`_ system and handles weeks at
@ -30,17 +30,17 @@ following retention options are available:

 ``keep-monthly <N>``
  Keep backups for the last ``<N>`` months. If there is more than one
-  backup for a single month, only the latest is kept.
+  backup for a single month, only the latest is retained.

 ``keep-yearly <N>``
  Keep backups for the last ``<N>`` years. If there is more than one
-  backup for a single year, only the latest is kept.
+  backup for a single year, only the latest is retained.

 The retention options are processed in the order given above. Each option
 only covers backups within its time period. The next option does not take care
 of already covered backups. It will only consider older backups.

-Unfinished and incomplete backups will be removed by the prune command unless
+Unfinished and incomplete backups will be removed by the prune command, unless
 they are newer than the last successful backup. In this case, the last failed
 backup is retained.

@ -48,7 +48,7 @@ Prune Simulator
 ^^^^^^^^^^^^^^^

 You can use the built-in `prune simulator <prune-simulator/index.html>`_
-to explore the effect of different retetion options with various backup
+to explore the effect of different retention options with various backup
 schedules.

 Manual Pruning
@ -59,10 +59,10 @@ Manual Pruning
  :align: right
  :alt: Prune and garbage collection options

-To access pruning functionality for a specific backup group, you can use the
-prune command line option discussed in :ref:`backup-pruning`, or navigate to
-the **Content** tab of the datastore and click the scissors icon in the
-**Actions** column of the relevant backup group.
+To manually prune a specific backup group, you can use
+``proxmox-backup-client``'s ``prune`` subcommand, discussed in
+:ref:`backup-pruning`, or navigate to the **Content** tab of the datastore and
+click the scissors icon in the **Actions** column of the relevant backup group.

 Prune Schedules
 ^^^^^^^^^^^^^^^
@ -81,7 +81,7 @@ Retention Settings Example
 ^^^^^^^^^^^^^^^^^^^^^^^^^^

 The backup frequency and retention of old backups may depend on how often data
-changes, and how important an older state may be, in a specific work load.
+changes and how important an older state may be in a specific workload.
 When backups act as a company's document archive, there may also be legal
 requirements for how long backup snapshots must be kept.

@ -125,8 +125,8 @@ start garbage collection on an entire datastore and the ``status`` subcommand to
 see attributes relating to the :ref:`garbage collection <client_garbage-collection>`.

 This functionality can also be accessed in the GUI, by navigating to **Prune &
-GC** from the top panel. From here, you can edit the schedule at which garbage
-collection runs and manually start the operation.
+GC** from the top panel of a datastore. From here, you can edit the schedule at
+which garbage collection runs and manually start the operation.


 .. _maintenance_verification:
@ -139,13 +139,13 @@ Verification
  :align: right
  :alt: Adding a verify job

-Proxmox Backup offers various verification options to ensure that backup data is
-intact.  Verification is generally carried out through the creation of verify
-jobs. These are scheduled tasks that run verification at a given interval (see
-:ref:`calendar-event-scheduling`). With these, you can set whether already verified
-snapshots are ignored, as well as set a time period, after which verified jobs
-are checked again. The interface for creating verify jobs can be found under the
-**Verify Jobs** tab of the datastore.
+Proxmox Backup Server offers various verification options to ensure that backup
+data is intact. Verification is generally carried out through the creation of
+verify jobs. These are scheduled tasks that run verification at a given interval
+(see :ref:`calendar-event-scheduling`). With these, you can also set whether
+already verified snapshots are ignored, as well as set a time period, after
+which snapshots are checked again. The interface for creating verify jobs can be
+found under the **Verify Jobs** tab of the datastore.

 .. Note:: It is recommended that you reverify all backups at least monthly, even
  if a previous verification was successful. This is because physical drives
@ -158,9 +158,9 @@ are checked again. The interface for creating verify jobs can be found under the
  data.

 Aside from using verify jobs, you can also run verification manually on entire
-datastores, backup groups, or snapshots. To do this, navigate to the **Content**
-tab of the datastore and either click *Verify All*, or select the *V.* icon from
-the *Actions* column in the table.
+datastores, backup groups or snapshots. To do this, navigate to the **Content**
+tab of the datastore and either click *Verify All* or select the *V.* icon from
+the **Actions** column in the table.

 .. _maintenance_notification:

@ -170,8 +170,8 @@ Notifications
 Proxmox Backup Server can send you notification emails about automatically
 scheduled verification, garbage-collection and synchronization tasks results.

-By default, notifications are send to the email address configured for the
-`root@pam` user. You can set that user for each datastore.
+By default, notifications are sent to the email address configured for the
+`root@pam` user. You can instead set this user for each datastore.

 You can also change the level of notification received per task type, the
 following options are available:
@ -179,6 +179,6 @@ following options are available:
 * Always: send a notification for any scheduled task, independent of the
  outcome

-* Errors: send a notification for any scheduled task resulting in an error
+* Errors: send a notification for any scheduled task that results in an error

 * Never: do not send any notification at all
--- a/docs/managing-remotes.rst
+++ b/docs/managing-remotes.rst
@ -17,8 +17,8 @@ configuration information for remotes is stored in the file
  :align: right
  :alt: Add a remote

-To add a remote, you need its hostname or IP, a userid and password on the
-remote, and its certificate fingerprint. To get the fingerprint, use the
+To add a remote, you need its hostname or IP address, a userid and password on
+the remote, and its certificate fingerprint. To get the fingerprint, use the
 ``proxmox-backup-manager cert info`` command on the remote, or navigate to
 **Dashboard** in the remote's web interface and select **Show Fingerprint**.

@ -60,12 +60,13 @@ Sync Jobs

 Sync jobs are configured to pull the contents of a datastore on a **Remote** to
 a local datastore. You can manage sync jobs in the web interface, from the
-**Sync Jobs** tab of the datastore which you'd like to set one up for, or using
-the ``proxmox-backup-manager sync-job`` command.  The configuration information
-for sync jobs is stored at ``/etc/proxmox-backup/sync.cfg``. To create a new
-sync job, click the add button in the GUI, or use the ``create`` subcommand.
-After creating a sync job, you can either start it manually from the GUI or
-provide it with a schedule (see :ref:`calendar-event-scheduling`) to run regularly.
+**Sync Jobs** tab of the **Datastore** panel or from that of the Datastore
+itself. Alternatively, you can manage them with the ``proxmox-backup-manager
+sync-job`` command. The configuration information for sync jobs is stored at
+``/etc/proxmox-backup/sync.cfg``. To create a new sync job, click the add button
+in the GUI, or use the ``create`` subcommand. After creating a sync job, you can
+either start it manually from the GUI or provide it with a schedule (see
+:ref:`calendar-event-scheduling`) to run regularly.

 .. code-block:: console

@ -79,17 +80,48 @@ provide it with a schedule (see :ref:`calendar-event-scheduling`) to run regular
  └────────────┴───────┴────────┴──────────────┴───────────┴─────────┘
  # proxmox-backup-manager sync-job remove pbs2-local

-For setting up sync jobs, the configuring user needs the following permissions:
+To set up sync jobs, the configuring user needs the following permissions:

 #. ``Remote.Read`` on the ``/remote/{remote}/{remote-store}`` path
-#. at least ``Datastore.Backup`` on the local target datastore (``/datastore/{store}``)
-
-If the ``remove-vanished`` option is set, ``Datastore.Prune`` is required on
-the local datastore as well. If the ``owner`` option is not set (defaulting to
-``root@pam``) or set to something other than the configuring user,
-``Datastore.Modify`` is required as well.
+#. At least ``Datastore.Backup`` on the local target datastore (``/datastore/{store}``)

 .. note:: A sync job can only sync backup groups that the configured remote's
  user/API token can read. If a remote is configured with a user/API token that
  only has ``Datastore.Backup`` privileges, only the limited set of accessible
  snapshots owned by that user/API token can be synced.
+
+If the ``remove-vanished`` option is set, ``Datastore.Prune`` is required on
+the local datastore as well. If the ``owner`` option is not set (defaulting to
+``root@pam``) or is set to something other than the configuring user,
+``Datastore.Modify`` is required as well.
+
+If the ``group-filter`` option is set, only backup groups matching at least one
+of the specified criteria are synced. The available criteria are:
+
+* backup type, for example to only sync groups of the `ct` (Container) type:
+    .. code-block:: console
+
+     # proxmox-backup-manager sync-job update ID --group-filter type:ct
+* full group identifier
+    .. code-block:: console
+
+     # proxmox-backup-manager sync-job update ID --group-filter group:vm/100
+* regular expression matched against the full group identifier
+.. todo:: add example for regex
+
+The same filter is applied to local groups for handling of the
+``remove-vanished`` option.
+
+.. note:: The ``protected`` flag of remote backup snapshots will not be synced.
+
+Bandwidth Limit
+^^^^^^^^^^^^^^^
+
+Syncing datastores to an archive can produce lots of traffic and impact other
+users of the network. So, to avoid network or storage congetsion you can limit
+the bandwith of the sync job by setting the ``rate-in`` option either in the
+web interface or using the ``proxmox-backup-manager`` command-line tool:
+
+.. code-block:: console
+
+    # proxmox-backup-manager sync-job update ID --rate-in 20MiB
--- a/docs/network-management.rst
+++ b/docs/network-management.rst
@ -82,9 +82,12 @@ is:
 .. note:: This command and corresponding GUI button rely on the ``ifreload``
  command, from the package ``ifupdown2``. This package is included within the
  Proxmox Backup Server installation, however, you may have to install it yourself,
-  if you have installed Proxmox Backup Server on top of Debian or Proxmox VE.
+  if you have installed Proxmox Backup Server on top of Debian or a Proxmox VE
+  version prior to version 7.

 You can also configure DNS settings, from the **DNS** section
 of **Configuration** or by using the ``dns`` subcommand of
 ``proxmox-backup-manager``.

+
+.. include:: traffic-control.rst
--- a/docs/output-format.rst
+++ b/docs/output-format.rst
@ -1,5 +1,5 @@
-Most commands producing output supports the ``--output-format``
-parameter. It accepts the following values:
+Most commands that produce output support the ``--output-format``
+parameter. This accepts the following values:

 :``text``: Text format (default). Structured data is rendered as a table.

--- a/docs/proxmox-backup-proxy/description.rst
+++ b/docs/proxmox-backup-proxy/description.rst
@ -1,5 +1,5 @@
 This daemon exposes the whole Proxmox Backup Server API on TCP port
 8007 using HTTPS. It runs as user ``backup`` and has very limited
-permissions. Operation requiring more permissions are forwarded to
+permissions. Operations requiring more permissions are forwarded to
 the local ``proxmox-backup`` service.

--- a/docs/pve-integration.rst
+++ b/docs/pve-integration.rst
@ -3,8 +3,8 @@
 `Proxmox VE`_ Integration
 -------------------------

-A Proxmox Backup Server can be integrated into a Proxmox VE setup by adding the
-former as a storage in a Proxmox VE standalone or cluster setup.
+Proxmox Backup Server can be integrated into a Proxmox VE standalone or cluster
+setup, by adding it as a storage in Proxmox VE.

 See also the `Proxmox VE Storage - Proxmox Backup Server
 <https://pve.proxmox.com/pve-docs/pve-admin-guide.html#storage_pbs>`_ section
@ -14,8 +14,8 @@ of the Proxmox VE Administration Guide for Proxmox VE specific documentation.
 Using the Proxmox VE Web-Interface
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

-Proxmox VE has native API and web-interface integration of Proxmox Backup
-Server since the `Proxmox VE 6.3 release
+Proxmox VE has native API and web interface integration of Proxmox Backup
+Server as of `Proxmox VE 6.3
 <https://pve.proxmox.com/wiki/Roadmap#Proxmox_VE_6.3>`_.

 A Proxmox Backup Server can be added under ``Datacenter -> Storage``.
@ -24,8 +24,8 @@ Using the Proxmox VE Command-Line
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 You need to define a new storage with type 'pbs' on your `Proxmox VE`_
-node. The following example uses ``store2`` as storage name, and
-assumes the server address is ``localhost``, and you want to connect
+node. The following example uses ``store2`` as the storage's name, and
+assumes the server address is ``localhost`` and you want to connect
 as ``user1@pbs``.

 .. code-block:: console
@ -33,7 +33,7 @@ as ``user1@pbs``.
  # pvesm add pbs store2 --server localhost --datastore store2
  # pvesm set store2 --username user1@pbs --password <secret>

-.. note:: If you would rather not pass your password as plain text, you can pass
+.. note:: If you would rather not enter your password as plain text, you can pass
  the ``--password`` parameter, without any arguments. This will cause the
  program to prompt you for a password upon entering the command.

@ -53,7 +53,7 @@ relationship:

  # pvesm set store2 --fingerprint  64:d3:ff:3a:50:38:53:5a:9b:f7:50:...:ab:fe

-After that you should be able to see storage status with:
+After that, you should be able to view storage status with:

 .. code-block:: console

--- a/docs/pxar/description.rst
+++ b/docs/pxar/description.rst
@ -1,12 +1,12 @@
-``pxar`` is a command line utility to create and manipulate archives in the
+``pxar`` is a command line utility for creating and manipulating archives in the
 :ref:`pxar-format`.
 It is inspired by `casync file archive format
 <http://0pointer.net/blog/casync-a-tool-for-distributing-file-system-images.html>`_,
 which caters to a similar use-case.
 The ``.pxar`` format is adapted to fulfill the specific needs of the Proxmox
 Backup Server, for example, efficient storage of hard links.
-The format is designed to reduce storage space needed on the server by achieving
-a high level of deduplication.
+The format is designed to reduce the required storage on the server by
+achieving a high level of deduplication.

 Creating an Archive
 ^^^^^^^^^^^^^^^^^^^
@ -26,8 +26,8 @@ This will create a new archive called ``archive.pxar`` with the contents of the

 By default, ``pxar`` will skip certain mount points and will not follow device
 boundaries. This design decision is based on the primary use case of creating
-archives for backups. It makes sense to not back up the contents of certain
-temporary or system specific files.
+archives for backups. It makes sense to ignore the contents of certain
+temporary or system specific files in a backup.
 To alter this behavior and follow device boundaries, use the
 ``--all-file-systems`` flag.

@ -41,40 +41,38 @@ by running:

    # pxar create archive.pxar /path/to/source --exclude '**/*.txt'

-Be aware that the shell itself will try to expand all of the glob patterns before
-invoking ``pxar``.
-In order to avoid this, all globs have to be quoted correctly.
+Be aware that the shell itself will try to expand glob patterns before invoking
+``pxar``. In order to avoid this, all globs have to be quoted correctly.

 It is possible to pass the ``--exclude`` parameter multiple times, in order to
 match more than one pattern. This allows you to use more complex
-file exclusion/inclusion behavior. However, it is recommended to use
+file inclusion/exclusion behavior. However, it is recommended to use
 ``.pxarexclude`` files instead for such cases.

-For example you might want to exclude all ``.txt`` files except for a specific
-one from the archive. This is achieved via the negated match pattern, prefixed
-by ``!``.
-All the glob patterns are relative to the ``source`` directory.
+For example you might want to exclude all ``.txt`` files except a specific
+one from the archive. This would be achieved via the negated match pattern,
+prefixed by ``!``.  All the glob patterns are relative to the ``source``
+directory.

 .. code-block:: console

    # pxar create archive.pxar /path/to/source --exclude '**/*.txt' --exclude '!/folder/file.txt'

-.. NOTE:: The order of the glob match patterns matters as later ones override
-    previous ones. Permutations of the same patterns lead to different results.
+.. NOTE:: The order of the glob match patterns matters, as later ones override
+   earlier ones. Permutations of the same patterns lead to different results.

 ``pxar`` will store the list of glob match patterns passed as parameters via the
-command line, in a file called ``.pxarexclude-cli`` at the root of
-the archive.
+command line, in a file called ``.pxarexclude-cli``, at the root of the archive.
 If a file with this name is already present in the source folder during archive
-creation, this file is not included in the archive and the file containing the
-new patterns is added to the archive instead, the original file is not altered.
+creation, this file is not included in the archive, and the file containing the
+new patterns is added to the archive instead. The original file is not altered.

 A more convenient and persistent way to exclude files from the archive is by
 placing the glob match patterns in ``.pxarexclude`` files.
 It is possible to create and place these files in any directory of the filesystem
 tree.
-These files must contain one pattern per line, again later patterns win over
-previous ones.
+These files must contain one pattern per line, and later patterns override
+earlier ones.
 The patterns control file exclusions of files present within the given directory
 or further below it in the tree.
 The behavior is the same as described in :ref:`client_creating_backups`.
@ -89,7 +87,7 @@ with the following command:

    # pxar extract archive.pxar /path/to/target

-If no target is provided, the content of the archive is extracted to the current
+If no target is provided, the contents of the archive is extracted to the current
 working directory.

 In order to restore only parts of an archive, single files, and/or folders,
@ -116,7 +114,7 @@ run the following command:
    # pxar list archive.pxar

 This displays the full path of each file or directory with respect to the
-archives root.
+archive's root.

 Mounting an Archive
 ^^^^^^^^^^^^^^^^^^^
--- a/docs/storage.rst
+++ b/docs/storage.rst
@ -15,7 +15,7 @@ accessed using the ``disk`` subcommand. This subcommand allows you to initialize
 disks, create various filesystems, and get information about the disks.

 To view the disks connected to the system, navigate to **Administration ->
-Disks** in the web interface or use the ``list`` subcommand of
+Storage/Disks** in the web interface or use the ``list`` subcommand of
 ``disk``:

 .. code-block:: console
@ -42,9 +42,9 @@ To initialize a disk with a new GPT, use the ``initialize`` subcommand:
  :alt: Create a directory

 You can create an ``ext4`` or ``xfs`` filesystem on a disk using ``fs
-create``, or by navigating to **Administration -> Disks -> Directory** in the
-web interface and creating one from there. The following command creates an
-``ext4`` filesystem and passes the ``--add-datastore`` parameter, in order to
+create``, or by navigating to **Administration -> Storage/Disks -> Directory**
+in the web interface and creating one from there. The following command creates
+an ``ext4`` filesystem and passes the ``--add-datastore`` parameter, in order to
 automatically create a datastore on the disk (in this case ``sdd``). This will
 create a datastore at the location ``/mnt/datastore/store1``:

@ -57,7 +57,7 @@ create a datastore at the location ``/mnt/datastore/store1``:
  :alt: Create ZFS

 You can also create a ``zpool`` with various raid levels from **Administration
-> Disks -> Zpool** in the web interface, or by using ``zpool create``. The command
+-> Storage/Disks -> ZFS** in the web interface, or by using ``zpool create``. The command
 below creates a mirrored ``zpool`` using two disks (``sdb`` & ``sdc``) and
 mounts it under ``/mnt/datastore/zpool1``:

@ -102,7 +102,7 @@ is stored in the file ``/etc/proxmox-backup/datastore.cfg``.
   subdirectories per directory. That number comes from the 2\ :sup:`16`
   pre-created chunk namespace directories, and the ``.`` and ``..`` default
   directory entries. This requirement excludes certain filesystems and
-   filesystem configuration from being supported for a datastore. For example,
+   filesystem configurations from being supported for a datastore. For example,
   ``ext3`` as a whole or ``ext4`` with the ``dir_nlink`` feature manually disabled.


@ -113,14 +113,15 @@ Datastore Configuration
  :align: right
  :alt: Datastore Overview

-You can configure multiple datastores. Minimum one datastore needs to be
+You can configure multiple datastores. A minimum of one datastore needs to be
 configured. The datastore is identified by a simple *name* and points to a
 directory on the filesystem. Each datastore also has associated retention
 settings of how many backup snapshots for each interval of ``hourly``,
 ``daily``, ``weekly``, ``monthly``, ``yearly`` as well as a time-independent
 number of backups to keep in that store. :ref:`backup-pruning` and
-:ref:`garbage collection <client_garbage-collection>` can also be configured to run
-periodically based on a configured schedule (see :ref:`calendar-event-scheduling`) per datastore.
+:ref:`garbage collection <client_garbage-collection>` can also be configured to
+run periodically, based on a configured schedule (see
+:ref:`calendar-event-scheduling`) per datastore.


 .. _storage_datastore_create:
@ -146,7 +147,8 @@ window:
 * *Comment* can be used to add some contextual information to the datastore.

 Alternatively you can create a new datastore from the command line. The
-following command creates a new datastore called ``store1`` on :file:`/backup/disk1/store1`
+following command creates a new datastore called ``store1`` on
+:file:`/backup/disk1/store1`

 .. code-block:: console

@ -156,7 +158,7 @@ following command creates a new datastore called ``store1`` on :file:`/backup/di
 Managing Datastores
 ^^^^^^^^^^^^^^^^^^^

-To list existing datastores from the command line run:
+To list existing datastores from the command line, run:

 .. code-block:: console

@ -216,8 +218,9 @@ After creating a datastore, the following default layout will appear:

 `.lock` is an empty file used for process locking.

-The `.chunks` directory contains folders, starting from `0000` and taking hexadecimal values until `ffff`. These
-directories will store the chunked data after a backup operation has been executed.
+The `.chunks` directory contains folders, starting from `0000` and increasing in
+hexadecimal values until `ffff`. These directories will store the chunked data,
+categorized by checksum, after a backup operation has been executed.

 .. code-block:: console

--- a/docs/sysadmin.rst
+++ b/docs/sysadmin.rst
@ -4,8 +4,8 @@ Host System Administration
 ==========================

 `Proxmox Backup`_ is based on the famous Debian_ Linux
-distribution. That means that you have access to the whole world of
-Debian packages, and the base system is well documented. The `Debian
+distribution. This means that you have access to the entire range of
+Debian packages, and that the base system is well documented. The `Debian
 Administrator's Handbook`_ is available online, and provides a
 comprehensive introduction to the Debian operating system.

@ -17,11 +17,11 @@ updates to some Debian packages when necessary.

 We also deliver a specially optimized Linux kernel, where we enable
 all required virtualization and container features. That kernel
-includes drivers for ZFS_, and several hardware drivers. For example,
+includes drivers for ZFS_, as well as several hardware drivers. For example,
 we ship Intel network card drivers to support their newest hardware.

 The following sections will concentrate on backup related topics. They
-either explain things which are different on `Proxmox Backup`_, or
+will explain things which are different on `Proxmox Backup`_, or
 tasks which are commonly used on `Proxmox Backup`_. For other topics,
 please refer to the standard Debian documentation.

--- a/docs/technical-overview.rst
+++ b/docs/technical-overview.rst
@ -8,7 +8,7 @@ Datastores

 A Datastore is the logical place where :ref:`Backup Snapshots
 <term_backup_snapshot>` and their chunks are stored. Snapshots consist of a
-manifest, blobs, dynamic- and fixed-indexes (see :ref:`terms`), and are
+manifest, blobs, and dynamic- and fixed-indexes (see :ref:`terms`), and are
 stored in the following directory structure:

 <datastore-root>/<type>/<id>/<time>/
@ -32,8 +32,8 @@ The chunks of a datastore are found in

 <datastore-root>/.chunks/

-This chunk directory is further subdivided by the first four byte of the chunks
-checksum, so the chunk with the checksum
+This chunk directory is further subdivided by the first four bytes of the
+chunk's checksum, so a chunk with the checksum

 a342e8151cbf439ce65f3df696b54c67a114982cc0aa751f2852c2f7acc19a8b

@ -47,7 +47,7 @@ per directory can be bad for file system performance.
 These chunk directories ('0000'-'ffff') will be preallocated when a datastore
 is created.

-Fixed-sized Chunks
+Fixed-Sized Chunks
 ^^^^^^^^^^^^^^^^^^

 For block based backups (like VMs), fixed-sized chunks are used. The content
@ -58,10 +58,10 @@ often tries to allocate files in contiguous pieces, so new files get new
 blocks, and changing existing files changes only their own blocks.

 As an optimization, VMs in `Proxmox VE`_ can make use of 'dirty bitmaps', which
-can track the changed blocks of an image. Since these bitmap are also a
+can track the changed blocks of an image. Since these bitmaps are also a
 representation of the image split into chunks, there is a direct relation
-between dirty blocks of the image and chunks which need to get uploaded, so
-only modified chunks of the disk have to be uploaded for a backup.
+between the dirty blocks of the image and chunks which need to be uploaded.
+Thus, only modified chunks of the disk need to be uploaded to a backup.

 Since the image is always split into chunks of the same size, unchanged blocks
 will result in identical checksums for those chunks, so such chunks do not need
@ -71,13 +71,13 @@ changed blocks.
 For consistency, `Proxmox VE`_ uses a QEMU internal snapshot mechanism, that
 does not rely on storage snapshots either.

-Dynamically sized Chunks
+Dynamically Sized Chunks
 ^^^^^^^^^^^^^^^^^^^^^^^^

-If one does not want to backup block-based systems but rather file-based
-systems, using fixed-sized chunks is not a good idea, since every time a file
-would change in size, the remaining data gets shifted around and this would
-result in many chunks changing, reducing the amount of deduplication.
+When working with file-based systems rather than block-based systems,
+using fixed-sized chunks is not a good idea, since every time a file
+would change in size, the remaining data would be shifted around,
+resulting in many chunks changing and the amount of deduplication being reduced.

 To improve this, `Proxmox Backup`_ Server uses dynamically sized chunks
 instead. Instead of splitting an image into fixed sizes, it first generates a
@ -86,9 +86,9 @@ over this on-the-fly generated archive to calculate chunk boundaries.

 We use a variant of Buzhash which is a cyclic polynomial algorithm. It works
 by continuously calculating a checksum while iterating over the data, and on
-certain conditions it triggers a hash boundary.
+certain conditions, it triggers a hash boundary.

-Assuming that most files of the system that is to be backed up have not
+Assuming that most files on the system that is to be backed up have not
 changed, eventually the algorithm triggers the boundary on the same data as a
 previous backup, resulting in chunks that can be reused.

@ -100,8 +100,8 @@ can be encrypted, and they are handled in a slightly different manner than
 normal chunks.

 The hashes of encrypted chunks are calculated not with the actual (encrypted)
-chunk content, but with the plain-text content concatenated with the encryption
-key. This way, two chunks of the same data encrypted with different keys
+chunk content, but with the plain-text content, concatenated with the encryption
+key. This way, two chunks with the same data but encrypted with different keys
 generate two different checksums and no collisions occur for multiple
 encryption keys.

@ -112,14 +112,14 @@ the previous backup, do not need to be encrypted and uploaded.
 Caveats and Limitations
 -----------------------

-Notes on hash collisions
+Notes on Hash Collisions
 ^^^^^^^^^^^^^^^^^^^^^^^^

 Every hashing algorithm has a chance to produce collisions, meaning two (or
 more) inputs generate the same checksum. For SHA-256, this chance is
-negligible.  To calculate such a collision, one can use the ideas of the
-'birthday problem' from probability theory. For big numbers, this is actually
-infeasible to calculate with regular computers, but there is a good
+negligible. To calculate the chances of such a collision, one can use the ideas
+of the 'birthday problem' from probability theory. For big numbers, this is
+actually unfeasible to calculate with regular computers, but there is a good
 approximation:

 .. math::
@ -127,7 +127,7 @@ approximation:
 p(n, d) = 1 - e^{-n^2/(2d)}

 Where `n` is the number of tries, and `d` is the number of possibilities.
-For a concrete example lets assume a large datastore of 1 PiB, and an average
+For a concrete example, lets assume a large datastore of 1 PiB and an average
 chunk size of 4 MiB. That means :math:`n = 268435456` tries, and :math:`d =
 2^{256}` possibilities. Inserting those values in the formula from earlier you
 will see that the probability of a collision in that scenario is:
@ -136,94 +136,96 @@ will see that the probability of a collision in that scenario is:

 3.1115 * 10^{-61}

-For context, in a lottery game of guessing 6 out of 45, the chance to correctly
-guess all 6 numbers is only :math:`1.2277 * 10^{-7}`, that means the chance of
-a collision is about the same as winning 13 such lotto games *in a row*.
+For context, in a lottery game of guessing 6 numbers out of 45, the chance to
+correctly guess all 6 numbers is only :math:`1.2277 * 10^{-7}`. This means the
+chance of a collision is about the same as winning 13 such lottery games *in a
+row*.

 In conclusion, it is extremely unlikely that such a collision would occur by
 accident in a normal datastore.

 Additionally, SHA-256 is prone to length extension attacks, but since there is
-an upper limit for how big the chunk are, this is not a problem, since a
+an upper limit for how big the chunks are, this is not a problem, because a
 potential attacker cannot arbitrarily add content to the data beyond that
 limit.

-File-based Backup
+File-Based Backup
 ^^^^^^^^^^^^^^^^^

 Since dynamically sized chunks (for file-based backups) are created on a custom
 archive format (pxar) and not over the files directly, there is no relation
-between files and the chunks. This means  that the Proxmox Backup client has to
+between the files and chunks. This means that the Proxmox Backup Client has to
 read all files again for every backup, otherwise it would not be possible to
-generate a consistent independent pxar archive where the original chunks can be
-reused. Note that there will be still only new or change chunks be uploaded.
+generate a consistent, independent pxar archive where the original chunks can be
+reused. Note that in spite of this, only new or changed chunks will be uploaded.

-Verification of encrypted chunks
+Verification of Encrypted Chunks
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

 For encrypted chunks, only the checksum of the original (plaintext) data is
-available, making it impossible for the server (without the encryption key), to
+available, making it impossible for the server (without the encryption key) to
 verify its content against it. Instead only the CRC-32 checksum gets checked.

 Troubleshooting
 ---------------

-Index files(.fidx, .didx) contain information about how to rebuild a file, more
-precisely, they contain an ordered list of references to the chunks the original
-file was split up in. If there is something wrong with a snapshot it might be
-useful to find out which chunks are referenced in this specific snapshot, and
-check wheather all of them are present and intact. The command for getting the
-list of referenced chunks could look something like this:
+Index files(*.fidx*, *.didx*) contain information about how to rebuild a file.
+More precisely, they contain an ordered list of references to the chunks that
+the original file was split into. If there is something wrong with a snapshot,
+it might be useful to find out which chunks are referenced in it, and check
+whether they are present and intact. The ``proxmox-backup-debug`` command line
+tool can be used to inspect such files and recover their contents. For example,
+to get a list of the referenced chunks of a *.fidx* index:

 .. code-block:: console

    # proxmox-backup-debug inspect file drive-scsi0.img.fidx

-The same command can be used to look at .blob file, without ``--decode`` just
-the size and the encryption type, if any, is printed. If ``--decode`` is set the
-blob file is decoded into the specified file('-' will decode it directly into
-stdout).
+The same command can be used to inspect *.blob* files. Without the ``--decode``
+parameter, just the size and the encryption type, if any, are printed. If
+``--decode`` is set, the blob file is decoded into the specified file ('-' will
+decode it directly to stdout).
+
+The following example would print the decoded contents of
+`qemu-server.conf.blob`. If the file you're trying to inspect is encrypted, a
+path to the key file must be provided using ``--keyfile``.

 .. code-block:: console

    # proxmox-backup-debug inspect file qemu-server.conf.blob --decode -

-would print the decoded contents of `qemu-server.conf.blob`. If the file you're
-trying to inspect is encrypted, a path to the keyfile has to be provided using
-``--keyfile``.
-
-Checking in which index files a specific chunk file is referenced can be done
+You can also check in which index files a specific chunk file is referenced
 with:

 .. code-block:: console

    # proxmox-backup-debug inspect chunk b531d3ffc9bd7c65748a61198c060678326a431db7eded874c327b7986e595e0 --reference-filter /path/in/a/datastore/directory

-Here ``--reference-filter`` specifies where index files should be searched, this
+Here ``--reference-filter`` specifies where index files should be searched. This
 can be an arbitrary path. If, for some reason, the filename of the chunk was
-changed you can explicitly specify the digest using ``--digest``, by default the
-chunk filename is used as the digest to look for. Specifying no
-``--reference-filter`` will just print the CRC and encryption status of the
-chunk. You can also decode chunks, to do so ``--decode`` has to be set. If the
-chunk is encrypted a ``--keyfile`` has to be provided for decoding.
+changed, you can explicitly specify the digest using ``--digest``. By default, the
+chunk filename is used as the digest to look for. If no ``--reference-filter``
+is specified, it will only print the CRC and encryption status of the chunk. You
+can also decode chunks, by setting the ``--decode`` flag. If the chunk is
+encrypted, a ``--keyfile`` must be provided, in order to decode it.

-Restore without a running PBS
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Restore without a Running Proxmox Backup Server
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

-It is possible to restore spefiic files of snapshots without a running PBS using
-the `recover` sub-command, provided you have access to the intact index and
-chunk files. Note that you also need the corresponding key file if the backup
-was encrypted.
+It's possible to restore specific files from a snapshot, without a running
+Proxmox Backup Server instance, using the ``recover`` subcommand, provided you
+have access to the intact index and chunk files. Note that you also need the
+corresponding key file if the backup was encrypted.

 .. code-block:: console

    # proxmox-backup-debug recover index drive-scsi0.img.fidx /path/to/.chunks

-In above example the `/path/to/.chunks` argument is the path to the directory
-that contains contains the chunks, and `drive-scsi0.img.fidx` is the index-file
-of the file you'd lile to restore. Both paths can be absolute or relative. With
-``--skip-crc`` it is possible to disable the crc checks of the chunks, this will
-speed up the process slightly and allows for trying to restore (partially)
+In the above example, the `/path/to/.chunks` argument is the path to the
+directory that contains the chunks, and `drive-scsi0.img.fidx` is the index file
+of the file you'd like to restore. Both paths can be absolute or relative. With
+``--skip-crc``, it's possible to disable the CRC checks of the chunks. This
+will speed up the process slightly and allow for trying to restore (partially)
 corrupt chunks. It's recommended to always try without the skip-CRC option
 first.

--- a/docs/terminology.rst
+++ b/docs/terminology.rst
@ -41,23 +41,23 @@ Binary Data (BLOBs)
 ~~~~~~~~~~~~~~~~~~~

 This type is used to store smaller (< 16MB) binary data such as
-configuration files. Larger files should be stored as image archive.
+configuration files. Larger files should be stored as image archives.

 .. caution:: Please do not store all files as BLOBs. Instead, use the
-   file archive to store whole directory trees.
+   file archive to store entire directory trees.


 Catalog File: ``catalog.pcat1``
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 The catalog file is an index for file archives. It contains
-the list of files and is used to speed up search operations.
+the list of included files and is used to speed up search operations.


 The Manifest: ``index.json``
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

-The manifest contains the list of all backup files, their
+The manifest contains a list of all backed up files, and their
 sizes and checksums. It is used to verify the consistency of a
 backup.

@ -68,18 +68,19 @@ Backup Type
 The backup server groups backups by *type*, where *type* is one of:

 ``vm``
-    This type is used for :term:`virtual machine`\ s. Typically
+    This type is used for :term:`virtual machine`\ s. It typically
    consists of the virtual machine's configuration file and an image archive
    for each disk.

 ``ct``
-    This type is used for :term:`container`\ s. Consists of the container's
-    configuration and a single file archive for the filesystem content.
+    This type is used for :term:`container`\ s. It consists of the container's
+    configuration and a single file archive for the filesystem's contents.

 ``host``
-    This type is used for backups created from within the backed up machine.
-    Typically this would be a physical host but could also be a virtual machine
-    or container. Such backups may contain file and image archives, there are no restrictions in this regard.
+    This type is used for file/directory backups created from within a machine.
+    Typically this would be a physical host, but could also be a virtual machine
+    or container. Such backups may contain file and image archives; there are no
+    restrictions in this regard.


 Backup ID
--- a/docs/traffic-control.rst
+++ b/docs/traffic-control.rst
@ -0,0 +1,101 @@
+.. _sysadmin_traffic_control:
+
+Traffic Control
+---------------
+
+.. image:: images/screenshots/pbs-gui-traffic-control-add.png
+  :align: right
+  :alt: Add a traffic control limit
+
+Creating and restoring backups can produce lots of traffic and impact other
+users of the network or shared storages.
+
+Proxmox Backup Server allows to limit network traffic for clients within
+specified networks using a token bucket filter (TBF).
+
+This allows you to avoid network congestion or to prioritize traffic from
+certain hosts.
+
+You can manage the traffic controls either over the web-interface or using the
+``traffic-control`` commandos of the ``proxmox-backup-manager`` command-line
+tool.
+
+.. note:: Sync jobs on the server are not affected by its rate-in limits. If
+   you want to limit the incomming traffic that a pull-based sync job
+   generates, you need to setup a job-specific rate-in limit. See
+   :ref:`syncjobs`.
+
+The following command adds a traffic control rule to limit all IPv4 clients
+(network ``0.0.0.0/0``) to 100 MB/s:
+
+.. code-block:: console
+
+ # proxmox-backup-manager traffic-control create rule0  --network 0.0.0.0/0 \
+   --rate-in 100MB --rate-out 100MB \
+   --comment "Default rate limit (100MB/s) for all clients"
+
+.. note:: To limit both IPv4 and IPv6 network spaces you need to pass two
+   network parameters ``::/0`` and ``0.0.0.0/0``.
+
+It is possible to restrict rules to certain time frames, for example the
+company office hours:
+
+.. tip:: You can use SI (base 10: KB, MB, ...) or IEC (base 2: KiB, MiB, ...)
+   units.
+
+.. code-block:: console
+
+ # proxmox-backup-manager traffic-control update rule0  \
+   --timeframe "mon..fri 8-12" \
+   --timeframe "mon..fri 14:30-18"
+
+If there are more rules, the server uses the rule with the smaller network. For
+example, we can overwrite the setting for our private network (and the server
+itself) with:
+
+.. code-block:: console
+
+ # proxmox-backup-manager traffic-control create rule1 \
+   --network 192.168.2.0/24 \
+   --network 127.0.0.0/8 \
+   --rate-in 20GB --rate-out 20GB \
+   --comment "Use 20GB/s for the local network"
+
+.. note:: The behavior is undefined if there are several rules for the same network.
+
+If there are multiple rules that match the same network all of them will be
+applied, which means that the smallest one wins, as it's bucket fills up the
+fastest.
+
+To list the current rules use:
+
+.. code-block:: console
+
+ # proxmox-backup-manager traffic-control list
+ ┌───────┬─────────────┬─────────────┬─────────────────────────┬────────────...─┐
+ │ name  │     rate-in │    rate-out │ network                 │ timeframe  ... │
+ ╞═══════╪═════════════╪═════════════╪═════════════════════════╪════════════...═╡
+ │ rule0 │      100 MB │      100 MB │ ["0.0.0.0/0"]           │ ["mon..fri ... │
+ ├───────┼─────────────┼─────────────┼─────────────────────────┼────────────...─┤
+ │ rule1 │       20 GB │       20 GB │ ["192.168.2.0/24", ...] │            ... │
+ └───────┴─────────────┴─────────────┴─────────────────────────┴────────────...─┘
+
+Rules can also be removed:
+
+.. code-block:: console
+
+ # proxmox-backup-manager traffic-control remove rule1
+
+
+To show the state (current data rate) of all configured rules use:
+
+.. code-block:: console
+
+  # proxmox-backup-manager traffic-control traffic
+  ┌───────┬─────────────┬──────────────┐
+  │ name  │ cur-rate-in │ cur-rate-out │
+  ╞═══════╪═════════════╪══════════════╡
+  │ rule0 │         0 B │          0 B │
+  ├───────┼─────────────┼──────────────┤
+  │ rule1 │   1.161 GiB │   19.146 KiB │
+  └───────┴─────────────┴──────────────┘
--- a/docs/user-management.rst
+++ b/docs/user-management.rst
@ -15,17 +15,19 @@ Proxmox Backup Server supports several authentication realms, and you need to
 choose the realm when you add a new user. Possible realms are:

 :pam: Linux PAM standard authentication. Use this if you want to
-      authenticate as Linux system user (Users need to exist on the
+      authenticate as a Linux system user (users need to exist on the
      system).

 :pbs: Proxmox Backup Server realm. This type stores hashed passwords in
      ``/etc/proxmox-backup/shadow.json``.

-After installation, there is a single user ``root@pam``, which
-corresponds to the Unix superuser. User configuration information is stored in the file
-``/etc/proxmox-backup/user.cfg``. You can use the
-``proxmox-backup-manager`` command line tool to list or manipulate
-users:
+:openid: OpenID Connect server. Users can authenticate against an external
+         OpenID Connect server.
+
+After installation, there is a single user, ``root@pam``, which corresponds to
+the Unix superuser. User configuration information is stored in the file
+``/etc/proxmox-backup/user.cfg``. You can use the ``proxmox-backup-manager``
+command line tool to list or manipulate users:

 .. code-block:: console

@ -40,13 +42,13 @@ users:
  :align: right
  :alt: Add a new user

-The superuser has full administration rights on everything, so you
-normally want to add other users with less privileges. You can add a new
+The superuser has full administration rights on everything, so it's recommended
+to add other users with less privileges. You can add a new
 user with the ``user create`` subcommand or through the web
 interface, under the **User Management** tab of **Configuration -> Access
 Control**. The ``create`` subcommand lets you specify many options like
 ``--email`` or ``--password``. You can update or change any user properties
-using the ``update`` subcommand later (**Edit** in the GUI):
+using the ``user update`` subcommand later (**Edit** in the GUI):


 .. code-block:: console
@ -71,16 +73,16 @@ The resulting user list looks like this:
  │ root@pam │      1 │        │           │          │                  │ Superuser        │
  └──────────┴────────┴────────┴───────────┴──────────┴──────────────────┴──────────────────┘

-Newly created users do not have any permissions. Please read the Access Control
+Newly created users do not have any permissions. Please read the :ref:`user_acl`
 section to learn how to set access permissions.

-If you want to disable a user account, you can do that by setting ``--enable`` to ``0``
+You can disable a user account by setting ``--enable`` to ``0``:

 .. code-block:: console

  # proxmox-backup-manager user update john@pbs --enable 0

-Or completely remove the user with:
+Or completely remove a user with:

 .. code-block:: console

@ -95,7 +97,7 @@ API Tokens
  :align: right
  :alt: API Token Overview

-Any authenticated user can generate API tokens which can in turn be used to
+Any authenticated user can generate API tokens, which can in turn be used to
 configure various clients, instead of directly providing the username and
 password.

@ -117,7 +119,7 @@ The API token is passed from the client to the server by setting the
 ``Authorization`` HTTP header with method ``PBSAPIToken`` to the value
 ``TOKENID:TOKENSECRET``.

-Generating new tokens can done using ``proxmox-backup-manager`` or the GUI:
+You can generate tokens from the GUI or by using ``proxmox-backup-manager``:

 .. code-block:: console

@ -154,9 +156,9 @@ section to learn how to set access permissions.
 Access Control
 --------------

-By default new users and API tokens do not have any permission. Instead you
+By default, new users and API tokens do not have any permissions. Instead you
 need to specify what is allowed and what is not. You can do this by assigning
-roles to users/tokens on specific objects like datastores or remotes. The
+roles to users/tokens on specific objects, like datastores or remotes. The
 following roles exist:

 **NoAccess**
@ -176,7 +178,7 @@ following roles exist:
  is not allowed to read the actual data.

 **DatastoreReader**
-  Can Inspect datastore content and can do restores.
+  Can Inspect datastore content and do restores.

 **DatastoreBackup**
  Can backup and restore owned backups.
@ -193,6 +195,18 @@ following roles exist:
 **RemoteSyncOperator**
  Is allowed to read data from a remote.

+**TapeAudit**
+  Can view tape related configuration and status
+
+**TapeAdministrat**
+  Can do anything related to tape backup
+
+**TapeOperator**
+  Can do tape backup and restore (but no configuration changes)
+
+**TapeReader**
+  Can read and inspect tape configuration and media content
+
 .. image:: images/screenshots/pbs-gui-user-management-add-user.png
  :align: right
  :alt: Add permissions for user
@ -236,7 +250,8 @@ You can list the ACLs of each user/token using the following command:
   │ john@pbs │ /datastore/store1 │         1 │ DatastoreAdmin │
   └──────────┴───────────────────┴───────────┴────────────────┘

-A single user/token can be assigned multiple permission sets for different datastores.
+A single user/token can be assigned multiple permission sets for different
+datastores.

 .. Note::
  Naming convention is important here. For datastores on the host,
@ -247,11 +262,11 @@ A single user/token can be assigned multiple permission sets for different datas
  remote (see `Remote` below) and ``{storename}`` is the name of the datastore on
  the remote.

-API Token permissions
+API Token Permissions
 ~~~~~~~~~~~~~~~~~~~~~

-API token permissions are calculated based on ACLs containing their ID
-independent of those of their corresponding user. The resulting permission set
+API token permissions are calculated based on ACLs containing their ID,
+independently of those of their corresponding user. The resulting permission set
 on a given path is then intersected with that of the corresponding user.

 In practice this means:
@ -259,10 +274,10 @@ In practice this means:
 #. API tokens require their own ACL entries
 #. API tokens can never do more than their corresponding user

-Effective permissions
+Effective Permissions
 ~~~~~~~~~~~~~~~~~~~~~

-To calculate and display the effective permission set of a user or API token
+To calculate and display the effective permission set of a user or API token,
 you can use the ``proxmox-backup-manager user permission`` command:

 .. code-block:: console
@ -287,7 +302,7 @@ you can use the ``proxmox-backup-manager user permission`` command:

 .. _user_tfa:

-Two-factor authentication
+Two-Factor Authentication
 -------------------------

 Introduction
@ -296,7 +311,7 @@ Introduction
 With simple authentication, only a password (single factor) is required to
 successfully claim an identity (authenticate), for example, to be able to log in
 as `root@pam` on a specific instance of Proxmox Backup Server. In this case, if
-the password gets stolen or leaked, anybody can use it to log in - even if they
+the password gets leaked or stolen, anybody can use it to log in - even if they
 should not be allowed to do so.

 With two-factor authentication (TFA), a user is asked for an additional factor
@ -359,16 +374,18 @@ WebAuthn

 For WebAuthn to work, you need to have two things:

-* a trusted HTTPS certificate (for example, by using `Let's Encrypt
+* A trusted HTTPS certificate (for example, by using `Let's Encrypt
  <https://pbs.proxmox.com/wiki/index.php/HTTPS_Certificate_Configuration>`_).
  While it probably works with an untrusted certificate, some browsers may warn
  or refuse WebAuthn operations if it is not trusted.

-* setup the WebAuthn configuration (see *Configuration -> Authentication* in the
-  Proxmox Backup Server web-interface). This can be auto-filled in most setups.
+* Setup the WebAuthn configuration (see **Configuration -> Authentication** in
+  the Proxmox Backup Server web interface). This can be auto-filled in most
+  setups.

 Once you have fulfilled both of these requirements, you can add a WebAuthn
-configuration in the *Access Control* panel.
+configuration in the **Two Factor Authentication** tab of the **Access Control**
+panel.

 .. _user_tfa_setup_recovery_keys:

@ -380,7 +397,8 @@ Recovery Keys
  :alt: Add a new user

 Recovery key codes do not need any preparation; you can simply create a set of
-recovery keys in the *Access Control* panel.
+recovery keys in the **Two Factor Authentication** tab of the **Access Control**
+panel.

 .. note:: There can only be one set of single-use recovery keys per user at any
 time.
--- a/examples/cipherbench.rs
+++ b/examples/cipherbench.rs
@ -1,4 +1,4 @@
-use anyhow::{Error};
+use anyhow::Error;

 //  chacha20-poly1305

--- a/examples/completion.rs
+++ b/examples/completion.rs
@ -1,6 +1,7 @@
 use anyhow::{Error};

-use proxmox::api::{*, cli::*};
+use proxmox_schema::*;
+use proxmox_router::cli::*;

 #[api(
    input: {
--- a/examples/download-speed.rs
+++ b/examples/download-speed.rs
@ -1,6 +1,6 @@
 use std::io::Write;

-use anyhow::{Error};
+use anyhow::Error;

 use pbs_api_types::Authid;
 use pbs_client::{HttpClient, HttpClientOptions, BackupReader};
@ -34,7 +34,7 @@ async fn run() -> Result<(), Error> {

    let client = HttpClient::new(host, 8007, auth_id, options)?;

-    let backup_time = proxmox::tools::time::parse_rfc3339("2019-06-28T10:49:48Z")?;
+    let backup_time = proxmox_time::parse_rfc3339("2019-06-28T10:49:48Z")?;

    let client = BackupReader::start(client, None, "store2", "host", "elsa", backup_time, true)
        .await?;
@ -59,7 +59,7 @@ async fn run() -> Result<(), Error> {
 }

 fn main() {
-    if let Err(err) = pbs_runtime::main(run()) {
+    if let Err(err) = proxmox_async::runtime::main(run()) {
        eprintln!("ERROR: {}", err);
    }
    println!("DONE");
--- a/examples/dynamic-files.rs
+++ b/examples/dynamic-files.rs
@ -1,9 +1,9 @@
-use anyhow::{bail, Error};
-
 use std::thread;
 use std::path::PathBuf;
 use std::io::Write;

+use anyhow::{bail, Error};
+
 // tar handle files that shrink during backup, by simply padding with zeros.
 //
 // this binary run multiple thread which writes some large files, then truncates
--- a/examples/h2client.rs
+++ b/examples/h2client.rs
@ -69,7 +69,7 @@ fn send_request(
 }

 fn main() -> Result<(), Error> {
-    pbs_runtime::main(run())
+    proxmox_async::runtime::main(run())
 }

 async fn run() -> Result<(), Error> {
--- a/examples/h2s-client.rs
+++ b/examples/h2s-client.rs
@ -69,7 +69,7 @@ fn send_request(
 }

 fn main() -> Result<(), Error> {
-    pbs_runtime::main(run())
+    proxmox_async::runtime::main(run())
 }

 async fn run() -> Result<(), Error> {
--- a/examples/h2s-server.rs
+++ b/examples/h2s-server.rs
@ -9,7 +9,7 @@ use tokio::net::{TcpListener, TcpStream};
 use pbs_buildcfg::configdir;

 fn main() -> Result<(), Error> {
-    pbs_runtime::main(run())
+    proxmox_async::runtime::main(run())
 }

 async fn run() -> Result<(), Error> {
--- a/examples/h2server.rs
+++ b/examples/h2server.rs
@ -5,7 +5,7 @@ use hyper::{Body, Request, Response};
 use tokio::net::{TcpListener, TcpStream};

 fn main() -> Result<(), Error> {
-    pbs_runtime::main(run())
+    proxmox_async::runtime::main(run())
 }

 async fn run() -> Result<(), Error> {
--- a/examples/test_chunk_speed2.rs
+++ b/examples/test_chunk_speed2.rs
@ -13,7 +13,7 @@ use pbs_client::ChunkStream;
 // Note: I can currently get about 830MB/s

 fn main() {
-    if let Err(err) = pbs_runtime::main(run()) {
+    if let Err(err) = proxmox_async::runtime::main(run()) {
        panic!("ERROR: {}", err);
    }
 }
--- a/examples/upload-speed.rs
+++ b/examples/upload-speed.rs
@ -16,7 +16,7 @@ async fn upload_speed() -> Result<f64, Error> {

    let client = HttpClient::new(host, 8007, auth_id, options)?;

-    let backup_time = proxmox::tools::time::epoch_i64();
+    let backup_time = proxmox_time::epoch_i64();

    let client = BackupWriter::start(client, None, datastore, "host", "speedtest", backup_time, false, true).await?;

@ -27,7 +27,7 @@ async fn upload_speed() -> Result<f64, Error> {
 }

 fn main()  {
-    match pbs_runtime::main(upload_speed()) {
+    match proxmox_async::runtime::main(upload_speed()) {
        Ok(mbs) => {
            println!("average upload speed: {} MB/s", mbs);
        }
--- a/pbs-api-types/Cargo.toml
+++ b/pbs-api-types/Cargo.toml
@ -7,6 +7,7 @@ description = "general API type helpers for PBS"

 [dependencies]
 anyhow = "1.0"
+hex = "0.4.3"
 lazy_static = "1.4"
 libc = "0.2"
 nix = "0.19.1"
@ -14,7 +15,8 @@ openssl = "0.10"
 regex = "1.2"
 serde = { version = "1.0", features = ["derive"] }

-proxmox = { version = "0.13.3", default-features = false, features = [ "api-macro" ] }
-
-proxmox-systemd = { path = "../proxmox-systemd" }
-pbs-tools = { path = "../pbs-tools" }
+proxmox = "0.15.3"
+proxmox-lang = "1.0.0"
+proxmox-schema = { version = "1.0.1", features = [ "api-macro" ] }
+proxmox-time = "1.1"
+proxmox-uuid = { version = "1.0.0", features = [ "serde" ] }
--- a/pbs-api-types/src/acl.rs
+++ b/pbs-api-types/src/acl.rs
@ -1,13 +1,12 @@
 use std::str::FromStr;

-use serde::{Deserialize, Serialize};
 use serde::de::{value, IntoDeserializer};
+use serde::{Deserialize, Serialize};

-use proxmox::api::api;
-use proxmox::api::schema::{
-    ApiStringFormat, BooleanSchema, EnumEntry, Schema, StringSchema,
+use proxmox_lang::constnamedbitmap;
+use proxmox_schema::{
+    api, const_regex, ApiStringFormat, BooleanSchema, EnumEntry, Schema, StringSchema,
 };
-use proxmox::{constnamedbitmap, const_regex};

 const_regex! {
    pub ACL_PATH_REGEX = concat!(r"^(?:/|", r"(?:/", PROXMOX_SAFE_ID_REGEX_STR!(), ")+", r")$");
@ -76,7 +75,7 @@ constnamedbitmap! {

 /// Admin always has all privileges. It can do everything except a few actions
 /// which are limited to the 'root@pam` superuser
-pub const ROLE_ADMIN: u64 = std::u64::MAX;
+pub const ROLE_ADMIN: u64 = u64::MAX;

 /// NoAccess can be used to remove privileges from specific (sub-)paths
 pub const ROLE_NO_ACCESS: u64 = 0;
@ -222,7 +221,6 @@ pub enum Role {
    TapeReader = ROLE_TAPE_READER,
 }

-
 impl FromStr for Role {
    type Err = value::Error;

@ -231,26 +229,24 @@ impl FromStr for Role {
    }
 }

-pub const ACL_PATH_FORMAT: ApiStringFormat =
-    ApiStringFormat::Pattern(&ACL_PATH_REGEX);
+pub const ACL_PATH_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&ACL_PATH_REGEX);

-pub const ACL_PATH_SCHEMA: Schema = StringSchema::new(
-    "Access control path.")
+pub const ACL_PATH_SCHEMA: Schema = StringSchema::new("Access control path.")
    .format(&ACL_PATH_FORMAT)
    .min_length(1)
    .max_length(128)
    .schema();

-pub const ACL_PROPAGATE_SCHEMA: Schema = BooleanSchema::new(
-    "Allow to propagate (inherit) permissions.")
+pub const ACL_PROPAGATE_SCHEMA: Schema =
+    BooleanSchema::new("Allow to propagate (inherit) permissions.")
        .default(true)
        .schema();

-pub const ACL_UGID_TYPE_SCHEMA: Schema = StringSchema::new(
-    "Type of 'ugid' property.")
+pub const ACL_UGID_TYPE_SCHEMA: Schema = StringSchema::new("Type of 'ugid' property.")
    .format(&ApiStringFormat::Enum(&[
        EnumEntry::new("user", "User"),
-        EnumEntry::new("group", "Group")]))
+        EnumEntry::new("group", "Group"),
+    ]))
    .schema();

 #[api(
--- a/pbs-api-types/src/crypto.rs
+++ b/pbs-api-types/src/crypto.rs
@ -3,9 +3,7 @@ use std::fmt::{self, Display};
 use anyhow::Error;
 use serde::{Deserialize, Serialize};

-use proxmox::api::api;
-
-use pbs_tools::format::{as_fingerprint, bytes_as_fingerprint};
+use proxmox_schema::api;

 #[api(default: "encrypt")]
 #[derive(Copy, Clone, Debug, Eq, PartialEq, Deserialize, Serialize)]
@ -35,6 +33,9 @@ impl Fingerprint {
    pub fn bytes(&self) -> &[u8; 32] {
        &self.bytes
    }
+    pub fn signature(&self) -> String {
+        as_fingerprint(&self.bytes)
+    }
 }

 /// Display as short key ID
@ -55,3 +56,43 @@ impl std::str::FromStr for Fingerprint {
    }
 }

+fn as_fingerprint(bytes: &[u8]) -> String {
+    hex::encode(bytes)
+        .as_bytes()
+        .chunks(2)
+        .map(|v| unsafe { std::str::from_utf8_unchecked(v) }) // it's a hex string
+        .collect::<Vec<&str>>().join(":")
+}
+
+pub mod bytes_as_fingerprint {
+    use std::mem::MaybeUninit;
+
+    use serde::{Deserialize, Serializer, Deserializer};
+
+    pub fn serialize<S>(
+        bytes: &[u8; 32],
+        serializer: S,
+    ) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        let s = super::as_fingerprint(bytes);
+        serializer.serialize_str(&s)
+    }
+
+    pub fn deserialize<'de, D>(
+        deserializer: D,
+    ) -> Result<[u8; 32], D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        // TODO: more efficiently implement with a Visitor implementing visit_str using split() and
+        // hex::decode by-byte
+        let mut s = String::deserialize(deserializer)?;
+        s.retain(|c| c != ':');
+        let mut out = MaybeUninit::<[u8; 32]>::uninit();
+        hex::decode_to_slice(s.as_bytes(), unsafe { &mut (*out.as_mut_ptr())[..] })
+            .map_err(serde::de::Error::custom)?;
+        Ok(unsafe { out.assume_init() })
+    }
+}
--- a/pbs-api-types/src/datastore.rs
+++ b/pbs-api-types/src/datastore.rs
@ -1,13 +1,10 @@
 use serde::{Deserialize, Serialize};

-use proxmox::api::api;
-use proxmox::api::schema::{
-    ApiStringFormat, ApiType, ArraySchema, EnumEntry, IntegerSchema, ReturnType, Schema,
-    StringSchema, Updater,
+use proxmox_schema::{
+    api, const_regex, ApiStringFormat, ApiType, ArraySchema, EnumEntry, IntegerSchema, ReturnType,
+    Schema, StringSchema, Updater,
 };

-use proxmox::const_regex;
-
 use crate::{
    PROXMOX_SAFE_ID_FORMAT, SHA256_HEX_REGEX, SINGLE_LINE_COMMENT_SCHEMA, CryptMode, UPID,
    Fingerprint, Userid, Authid,
@ -43,6 +40,7 @@ pub const BACKUP_ARCHIVE_NAME_SCHEMA: Schema = StringSchema::new("Backup archive
    .schema();

 pub const BACKUP_ID_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&BACKUP_ID_REGEX);
+pub const BACKUP_GROUP_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&GROUP_PATH_REGEX);

 pub const BACKUP_ID_SCHEMA: Schema = StringSchema::new("Backup ID.")
    .format(&BACKUP_ID_FORMAT)
@ -60,6 +58,10 @@ pub const BACKUP_TIME_SCHEMA: Schema = IntegerSchema::new("Backup time (Unix epo
    .minimum(1_547_797_308)
    .schema();

+pub const BACKUP_GROUP_SCHEMA: Schema = StringSchema::new("Backup Group")
+    .format(&BACKUP_GROUP_FORMAT)
+    .schema();
+
 pub const DATASTORE_SCHEMA: Schema = StringSchema::new("Datastore name.")
    .format(&PROXMOX_SAFE_ID_FORMAT)
    .min_length(3)
@ -393,6 +395,9 @@ pub struct SnapshotListItem {
    /// The owner of the snapshots group
    #[serde(skip_serializing_if = "Option::is_none")]
    pub owner: Option<Authid>,
+    /// Protection from prunes
+    #[serde(default)]
+    pub protected: bool,
 }

 #[api(
--- a/pbs-api-types/src/file_restore.rs
+++ b/pbs-api-types/src/file_restore.rs
@ -1,6 +1,6 @@
 use serde::{Deserialize, Serialize};

-use proxmox::api::api;
+use proxmox_schema::api;

 #[api]
 #[derive(Serialize, Deserialize)]
--- a/pbs-api-types/src/human_byte.rs
+++ b/pbs-api-types/src/human_byte.rs
@ -0,0 +1,341 @@
+use anyhow::{bail, Error};
+
+use proxmox_schema::{ApiStringFormat, ApiType, Schema, StringSchema, UpdaterType};
+
+/// Size units for byte sizes
+#[derive(Debug, Copy, Clone, PartialEq)]
+pub enum SizeUnit {
+    Byte,
+    // SI (base 10)
+    KByte,
+    MByte,
+    GByte,
+    TByte,
+    PByte,
+    // IEC (base 2)
+    Kibi,
+    Mebi,
+    Gibi,
+    Tebi,
+    Pebi,
+}
+
+impl SizeUnit {
+    /// Returns the scaling factor
+    pub fn factor(&self) -> f64 {
+        match self {
+            SizeUnit::Byte => 1.0,
+            // SI (base 10)
+            SizeUnit::KByte => 1_000.0,
+            SizeUnit::MByte => 1_000_000.0,
+            SizeUnit::GByte => 1_000_000_000.0,
+            SizeUnit::TByte => 1_000_000_000_000.0,
+            SizeUnit::PByte => 1_000_000_000_000_000.0,
+            // IEC (base 2)
+            SizeUnit::Kibi => 1024.0,
+            SizeUnit::Mebi => 1024.0 * 1024.0,
+            SizeUnit::Gibi => 1024.0 * 1024.0 * 1024.0,
+            SizeUnit::Tebi => 1024.0 * 1024.0 * 1024.0 * 1024.0,
+            SizeUnit::Pebi => 1024.0 * 1024.0 * 1024.0 * 1024.0 * 1024.0,
+        }
+    }
+
+    /// gets the biggest possible unit still having a value greater zero before the decimal point
+    /// 'binary' specifies if IEC (base 2) units should be used or SI (base 10) ones
+    pub fn auto_scale(size: f64, binary: bool) -> SizeUnit {
+        if binary {
+            let bits = 64 - (size as u64).leading_zeros();
+            match bits {
+                51.. => SizeUnit::Pebi,
+                41..=50 => SizeUnit::Tebi,
+                31..=40 => SizeUnit::Gibi,
+                21..=30 => SizeUnit::Mebi,
+                11..=20 => SizeUnit::Kibi,
+                _ => SizeUnit::Byte,
+            }
+        } else {
+            if size >= 1_000_000_000_000_000.0 {
+                SizeUnit::PByte
+            } else if size >= 1_000_000_000_000.0 {
+                SizeUnit::TByte
+            } else if size >= 1_000_000_000.0 {
+                SizeUnit::GByte
+            } else if size >= 1_000_000.0 {
+                SizeUnit::MByte
+            } else if size >= 1_000.0 {
+                SizeUnit::KByte
+            } else {
+                SizeUnit::Byte
+            }
+        }
+    }
+}
+
+/// Returns the string repesentation
+impl std::fmt::Display for SizeUnit {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            SizeUnit::Byte => write!(f, "B"),
+            // SI (base 10)
+            SizeUnit::KByte => write!(f, "KB"),
+            SizeUnit::MByte => write!(f, "MB"),
+            SizeUnit::GByte => write!(f, "GB"),
+            SizeUnit::TByte => write!(f, "TB"),
+            SizeUnit::PByte => write!(f, "PB"),
+            // IEC (base 2)
+            SizeUnit::Kibi => write!(f, "KiB"),
+            SizeUnit::Mebi => write!(f, "MiB"),
+            SizeUnit::Gibi => write!(f, "GiB"),
+            SizeUnit::Tebi => write!(f, "TiB"),
+            SizeUnit::Pebi => write!(f, "PiB"),
+        }
+    }
+}
+
+/// Strips a trailing SizeUnit inclusive trailing whitespace
+/// Supports both IEC and SI based scales, the B/b byte symbol is optional.
+fn strip_unit(v: &str) -> (&str, SizeUnit) {
+    let v = v.strip_suffix(&['b', 'B'][..]).unwrap_or(v); // byte is implied anyway
+
+    let (v, binary) = match v.strip_suffix('i') {
+        Some(n) => (n, true),
+        None => (v, false),
+    };
+
+    let mut unit = SizeUnit::Byte;
+    (v.strip_suffix(|c: char| match c {
+        'k' | 'K' if !binary => { unit = SizeUnit::KByte; true }
+        'm' | 'M' if !binary => { unit = SizeUnit::MByte; true }
+        'g' | 'G' if !binary => { unit = SizeUnit::GByte; true }
+        't' | 'T' if !binary => { unit = SizeUnit::TByte; true }
+        'p' | 'P' if !binary => { unit = SizeUnit::PByte; true }
+        // binary (IEC recommended) variants
+        'k' | 'K' if binary => { unit = SizeUnit::Kibi; true }
+        'm' | 'M' if binary => { unit = SizeUnit::Mebi; true }
+        'g' | 'G' if binary => { unit = SizeUnit::Gibi; true }
+        't' | 'T' if binary => { unit = SizeUnit::Tebi; true }
+        'p' | 'P' if binary => { unit = SizeUnit::Pebi; true }
+        _ => false
+    }).unwrap_or(v).trim_end(), unit)
+}
+
+/// Byte size which can be displayed in a human friendly way
+#[derive(Debug, Copy, Clone, UpdaterType)]
+pub struct HumanByte {
+    /// The siginficant value, it does not includes any factor of the `unit`
+    size: f64,
+    /// The scale/unit of the value
+    unit: SizeUnit,
+}
+
+fn verify_human_byte(s: &str) -> Result<(), Error> {
+    match s.parse::<HumanByte>() {
+        Ok(_) => Ok(()),
+        Err(err) => bail!("byte-size parse error for '{}': {}", s, err),
+    }
+}
+impl ApiType for HumanByte {
+    const API_SCHEMA: Schema = StringSchema::new(
+        "Byte size with optional unit (B, KB (base 10), MB, GB, ..., KiB (base 2), MiB, Gib, ...).",
+    )
+    .format(&ApiStringFormat::VerifyFn(verify_human_byte))
+    .min_length(1)
+    .max_length(64)
+    .schema();
+}
+
+impl HumanByte {
+    /// Create instance with size and unit (size must be positive)
+    pub fn with_unit(size: f64, unit: SizeUnit) -> Result<Self, Error> {
+        if size < 0.0 {
+            bail!("byte size may not be negative");
+        }
+        Ok(HumanByte { size, unit })
+    }
+
+    /// Create a new instance with optimal binary unit computed
+    pub fn new_binary(size: f64) -> Self {
+        let unit = SizeUnit::auto_scale(size, true);
+        HumanByte { size: size / unit.factor(), unit }
+    }
+
+    /// Create a new instance with optimal decimal unit computed
+    pub fn new_decimal(size: f64) -> Self {
+        let unit = SizeUnit::auto_scale(size, false);
+        HumanByte { size: size / unit.factor(), unit }
+    }
+
+    /// Returns the size as u64 number of bytes
+    pub fn as_u64(&self) -> u64 {
+        self.as_f64() as u64
+    }
+
+    /// Returns the size as f64 number of bytes
+    pub fn as_f64(&self) -> f64 {
+        self.size * self.unit.factor()
+    }
+
+    /// Returns a copy with optimal binary unit computed
+    pub fn auto_scale_binary(self) -> Self {
+        HumanByte::new_binary(self.as_f64())
+    }
+
+    /// Returns a copy with optimal decimal unit computed
+    pub fn auto_scale_decimal(self) -> Self {
+        HumanByte::new_decimal(self.as_f64())
+    }
+}
+
+impl From<u64> for HumanByte {
+    fn from(v: u64) -> Self {
+        HumanByte::new_binary(v as f64)
+    }
+}
+impl From<usize> for HumanByte {
+    fn from(v: usize) -> Self {
+        HumanByte::new_binary(v as f64)
+    }
+}
+
+impl std::fmt::Display for HumanByte {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let precision = f.precision().unwrap_or(3) as f64;
+        let precision_factor = 1.0 * 10.0_f64.powf(precision);
+        // this could cause loss of information, rust has sadly no shortest-max-X flt2dec fmt yet
+        let size = ((self.size * precision_factor).round()) / precision_factor;
+        write!(f, "{} {}", size, self.unit)
+    }
+}
+
+impl std::str::FromStr for HumanByte {
+    type Err = Error;
+
+    fn from_str(v: &str) -> Result<Self, Error> {
+        let (v, unit) = strip_unit(v);
+        HumanByte::with_unit(v.parse()?, unit)
+    }
+}
+
+proxmox::forward_deserialize_to_from_str!(HumanByte);
+proxmox::forward_serialize_to_display!(HumanByte);
+
+#[test]
+fn test_human_byte_parser() -> Result<(), Error> {
+    assert!("-10".parse::<HumanByte>().is_err()); // negative size
+
+    fn do_test(v: &str, size: f64, unit: SizeUnit, as_str: &str) -> Result<(), Error> {
+        let h: HumanByte = v.parse()?;
+
+        if h.size != size {
+            bail!("got unexpected size for '{}' ({} != {})", v, h.size, size);
+        }
+        if h.unit != unit {
+            bail!("got unexpected unit for '{}' ({:?} != {:?})", v, h.unit, unit);
+        }
+
+        let new = h.to_string();
+        if &new != as_str {
+            bail!("to_string failed for '{}' ({:?} != {:?})", v, new, as_str);
+        }
+        Ok(())
+    }
+    fn test(v: &str, size: f64, unit: SizeUnit, as_str: &str) -> bool {
+        match do_test(v, size, unit, as_str) {
+            Ok(_) => true,
+            Err(err) => {
+                eprintln!("{}", err); // makes debugging easier
+                false
+            }
+        }
+    }
+
+    assert!(test("14", 14.0, SizeUnit::Byte, "14 B"));
+    assert!(test("14.4", 14.4, SizeUnit::Byte, "14.4 B"));
+    assert!(test("14.45", 14.45, SizeUnit::Byte, "14.45 B"));
+    assert!(test("14.456", 14.456, SizeUnit::Byte, "14.456 B"));
+    assert!(test("14.4567", 14.4567, SizeUnit::Byte, "14.457 B"));
+
+    let h: HumanByte = "1.2345678".parse()?;
+    assert_eq!(&format!("{:.0}", h), "1 B");
+    assert_eq!(&format!("{:.0}", h.as_f64()), "1"); // use as_f64 to get raw bytes without unit
+    assert_eq!(&format!("{:.1}", h), "1.2 B");
+    assert_eq!(&format!("{:.2}", h), "1.23 B");
+    assert_eq!(&format!("{:.3}", h), "1.235 B");
+    assert_eq!(&format!("{:.4}", h), "1.2346 B");
+    assert_eq!(&format!("{:.5}", h), "1.23457 B");
+    assert_eq!(&format!("{:.6}", h), "1.234568 B");
+    assert_eq!(&format!("{:.7}", h), "1.2345678 B");
+    assert_eq!(&format!("{:.8}", h), "1.2345678 B");
+
+    assert!(test("987654321", 987654321.0, SizeUnit::Byte, "987654321 B"));
+
+    assert!(test("1300b", 1300.0, SizeUnit::Byte, "1300 B"));
+    assert!(test("1300B", 1300.0, SizeUnit::Byte, "1300 B"));
+    assert!(test("1300 B", 1300.0, SizeUnit::Byte, "1300 B"));
+    assert!(test("1300 b", 1300.0, SizeUnit::Byte, "1300 B"));
+
+    assert!(test("1.5KB", 1.5, SizeUnit::KByte, "1.5 KB"));
+    assert!(test("1.5kb", 1.5, SizeUnit::KByte, "1.5 KB"));
+    assert!(test("1.654321MB", 1.654_321, SizeUnit::MByte, "1.654 MB"));
+
+    assert!(test("2.0GB", 2.0, SizeUnit::GByte, "2 GB"));
+
+    assert!(test("1.4TB", 1.4, SizeUnit::TByte, "1.4 TB"));
+    assert!(test("1.4tb", 1.4, SizeUnit::TByte, "1.4 TB"));
+
+    assert!(test("2KiB", 2.0, SizeUnit::Kibi, "2 KiB"));
+    assert!(test("2Ki", 2.0, SizeUnit::Kibi, "2 KiB"));
+    assert!(test("2kib", 2.0, SizeUnit::Kibi, "2 KiB"));
+
+    assert!(test("2.3454MiB", 2.3454, SizeUnit::Mebi, "2.345 MiB"));
+    assert!(test("2.3456MiB", 2.3456, SizeUnit::Mebi, "2.346 MiB"));
+
+    assert!(test("4gib", 4.0, SizeUnit::Gibi, "4 GiB"));
+
+    Ok(())
+}
+
+#[test]
+fn test_human_byte_auto_unit_decimal() {
+    fn convert(b: u64) -> String {
+        HumanByte::new_decimal(b as f64).to_string()
+    }
+    assert_eq!(convert(987), "987 B");
+    assert_eq!(convert(1022), "1.022 KB");
+    assert_eq!(convert(9_000), "9 KB");
+    assert_eq!(convert(1_000), "1 KB");
+    assert_eq!(convert(1_000_000), "1 MB");
+    assert_eq!(convert(1_000_000_000), "1 GB");
+    assert_eq!(convert(1_000_000_000_000), "1 TB");
+    assert_eq!(convert(1_000_000_000_000_000), "1 PB");
+
+    assert_eq!(convert((1 << 30) + 103 * (1 << 20)), "1.182 GB");
+    assert_eq!(convert((1 << 30) + 128 * (1 << 20)), "1.208 GB");
+    assert_eq!(convert((2 << 50) + 500 * (1 << 40)), "2.802 PB");
+}
+
+#[test]
+fn test_human_byte_auto_unit_binary() {
+    fn convert(b: u64) -> String {
+        HumanByte::from(b).to_string()
+    }
+    assert_eq!(convert(0), "0 B");
+    assert_eq!(convert(987), "987 B");
+    assert_eq!(convert(1022), "1022 B");
+    assert_eq!(convert(9_000), "8.789 KiB");
+    assert_eq!(convert(10_000_000), "9.537 MiB");
+    assert_eq!(convert(10_000_000_000), "9.313 GiB");
+    assert_eq!(convert(10_000_000_000_000), "9.095 TiB");
+
+    assert_eq!(convert(1 << 10), "1 KiB");
+    assert_eq!(convert((1 << 10) * 10), "10 KiB");
+    assert_eq!(convert(1 << 20), "1 MiB");
+    assert_eq!(convert(1 << 30), "1 GiB");
+    assert_eq!(convert(1 << 40), "1 TiB");
+    assert_eq!(convert(1 << 50), "1 PiB");
+
+    assert_eq!(convert((1 << 30) + 103 * (1 << 20)), "1.101 GiB");
+    assert_eq!(convert((1 << 30) + 128 * (1 << 20)), "1.125 GiB");
+    assert_eq!(convert((1 << 40) + 128 * (1 << 30)), "1.125 TiB");
+    assert_eq!(convert((2 << 50) + 512 * (1 << 40)), "2.5 PiB");
+}
--- a/pbs-api-types/src/jobs.rs
+++ b/pbs-api-types/src/jobs.rs
@ -1,12 +1,16 @@
+use anyhow::format_err;
+use std::str::FromStr;
+
+use regex::Regex;
 use serde::{Deserialize, Serialize};

-use proxmox::const_regex;
-
-use proxmox::api::{api, schema::*};
+use proxmox_schema::*;

 use crate::{
-    Userid, Authid, REMOTE_ID_SCHEMA, DRIVE_NAME_SCHEMA, MEDIA_POOL_NAME_SCHEMA,
+    Userid, Authid, RateLimitConfig,
+    REMOTE_ID_SCHEMA, DRIVE_NAME_SCHEMA, MEDIA_POOL_NAME_SCHEMA,
    SINGLE_LINE_COMMENT_SCHEMA, PROXMOX_SAFE_ID_FORMAT, DATASTORE_SCHEMA,
+    BACKUP_GROUP_SCHEMA, BACKUP_TYPE_SCHEMA,
 };

 const_regex!{
@ -25,31 +29,31 @@ pub const JOB_ID_SCHEMA: Schema = StringSchema::new("Job ID.")

 pub const SYNC_SCHEDULE_SCHEMA: Schema = StringSchema::new(
    "Run sync job at specified schedule.")
-    .format(&ApiStringFormat::VerifyFn(proxmox_systemd::time::verify_calendar_event))
+    .format(&ApiStringFormat::VerifyFn(proxmox_time::verify_calendar_event))
    .type_text("<calendar-event>")
    .schema();

 pub const GC_SCHEDULE_SCHEMA: Schema = StringSchema::new(
    "Run garbage collection job at specified schedule.")
-    .format(&ApiStringFormat::VerifyFn(proxmox_systemd::time::verify_calendar_event))
+    .format(&ApiStringFormat::VerifyFn(proxmox_time::verify_calendar_event))
    .type_text("<calendar-event>")
    .schema();

 pub const PRUNE_SCHEDULE_SCHEMA: Schema = StringSchema::new(
    "Run prune job at specified schedule.")
-    .format(&ApiStringFormat::VerifyFn(proxmox_systemd::time::verify_calendar_event))
+    .format(&ApiStringFormat::VerifyFn(proxmox_time::verify_calendar_event))
    .type_text("<calendar-event>")
    .schema();

 pub const VERIFICATION_SCHEDULE_SCHEMA: Schema = StringSchema::new(
    "Run verify job at specified schedule.")
-    .format(&ApiStringFormat::VerifyFn(proxmox_systemd::time::verify_calendar_event))
+    .format(&ApiStringFormat::VerifyFn(proxmox_time::verify_calendar_event))
    .type_text("<calendar-event>")
    .schema();

 pub const REMOVE_VANISHED_BACKUPS_SCHEMA: Schema = BooleanSchema::new(
    "Delete vanished backups. This remove the local copy if the remote backup was deleted.")
-    .default(true)
+    .default(false)
    .schema();

 #[api(
@ -244,6 +248,10 @@ pub struct VerificationJobStatus {
            optional: true,
            type: Userid,
        },
+        "group-filter": {
+            schema: GROUP_FILTER_LIST_SCHEMA,
+            optional: true,
+        },
    }
 )]
 #[derive(Serialize,Deserialize,Clone,Updater)]
@ -262,6 +270,8 @@ pub struct TapeBackupJobSetup {
    /// Send job email notification to this user
    #[serde(skip_serializing_if="Option::is_none")]
    pub notify_user: Option<Userid>,
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub group_filter: Option<Vec<GroupFilter>>,
 }

 #[api(
@ -319,6 +329,57 @@ pub struct TapeBackupJobStatus {
    pub next_media_label: Option<String>,
 }

+#[derive(Clone, Debug)]
+/// Filter for matching `BackupGroup`s, for use with `BackupGroup::filter`.
+pub enum GroupFilter {
+    /// BackupGroup type - either `vm`, `ct`, or `host`.
+    BackupType(String),
+    /// Full identifier of BackupGroup, including type
+    Group(String),
+    /// A regular expression matched against the full identifier of the BackupGroup
+    Regex(Regex),
+}
+
+impl std::str::FromStr for GroupFilter {
+    type Err = anyhow::Error;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s.split_once(":") {
+            Some(("group", value)) => parse_simple_value(value, &BACKUP_GROUP_SCHEMA).map(|_| GroupFilter::Group(value.to_string())),
+            Some(("type", value)) => parse_simple_value(value, &BACKUP_TYPE_SCHEMA).map(|_| GroupFilter::BackupType(value.to_string())),
+            Some(("regex", value)) => Ok(GroupFilter::Regex(Regex::new(value)?)),
+            Some((ty, _value)) => Err(format_err!("expected 'group', 'type' or 'regex' prefix, got '{}'", ty)),
+            None => Err(format_err!("input doesn't match expected format '<group:GROUP||type:<vm|ct|host>|regex:REGEX>'")),
+        }.map_err(|err| format_err!("'{}' - {}", s, err))
+    }
+}
+
+// used for serializing below, caution!
+impl std::fmt::Display for GroupFilter {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            GroupFilter::BackupType(backup_type) => write!(f, "type:{}", backup_type),
+            GroupFilter::Group(backup_group) => write!(f, "group:{}", backup_group),
+            GroupFilter::Regex(regex) => write!(f, "regex:{}", regex.as_str()),
+        }
+    }
+}
+
+proxmox::forward_deserialize_to_from_str!(GroupFilter);
+proxmox::forward_serialize_to_display!(GroupFilter);
+
+fn verify_group_filter(input: &str) -> Result<(), anyhow::Error> {
+    GroupFilter::from_str(input).map(|_| ())
+}
+
+pub const GROUP_FILTER_SCHEMA: Schema = StringSchema::new(
+    "Group filter based on group identifier ('group:GROUP'), group type ('type:<vm|ct|host>'), or regex ('regex:RE').")
+    .format(&ApiStringFormat::VerifyFn(verify_group_filter))
+    .type_text("<type:<vm|ct|host>|group:GROUP|regex:RE>")
+    .schema();
+
+pub const GROUP_FILTER_LIST_SCHEMA: Schema = ArraySchema::new("List of group filters.", &GROUP_FILTER_SCHEMA).schema();
+
 #[api(
    properties: {
        id: {
@ -345,10 +406,17 @@ pub struct TapeBackupJobStatus {
            optional: true,
            schema: SINGLE_LINE_COMMENT_SCHEMA,
        },
+        limit: {
+            type: RateLimitConfig,
+        },
        schedule: {
            optional: true,
            schema: SYNC_SCHEDULE_SCHEMA,
        },
+        "group-filter": {
+            schema: GROUP_FILTER_LIST_SCHEMA,
+            optional: true,
+        },
    }
 )]
 #[derive(Serialize,Deserialize,Clone,Updater)]
@ -368,6 +436,10 @@ pub struct SyncJobConfig {
    pub comment: Option<String>,
    #[serde(skip_serializing_if="Option::is_none")]
    pub schedule: Option<String>,
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub group_filter: Option<Vec<GroupFilter>>,
+    #[serde(flatten)]
+    pub limit: RateLimitConfig,
 }

 #[api(
--- a/pbs-api-types/src/key_derivation.rs
+++ b/pbs-api-types/src/key_derivation.rs
@ -1,6 +1,6 @@
 use serde::{Deserialize, Serialize};

-use proxmox::api::api;
+use proxmox_schema::api;

 use crate::CERT_FINGERPRINT_SHA256_SCHEMA;

--- a/pbs-api-types/src/lib.rs
+++ b/pbs-api-types/src/lib.rs
@ -3,10 +3,11 @@
 use serde::{Deserialize, Serialize};
 use anyhow::bail;

-use proxmox::api::api;
-use proxmox::api::schema::{ApiStringFormat, ArraySchema, Schema, StringSchema};
-use proxmox::const_regex;
+use proxmox_schema::{
+    api, const_regex, ApiStringFormat, ApiType, ArraySchema, Schema, StringSchema, ReturnType,
+};
 use proxmox::{IPRE, IPRE_BRACKET, IPV4OCTET, IPV4RE, IPV6H16, IPV6LS32, IPV6RE};
+use proxmox_time::parse_daily_duration;

 #[rustfmt::skip]
 #[macro_export]
@ -38,6 +39,9 @@ pub use acl::*;
 mod datastore;
 pub use datastore::*;

+mod human_byte;
+pub use human_byte::HumanByte;
+
 mod jobs;
 pub use jobs::*;

@ -60,20 +64,25 @@ pub use userid::{PROXMOX_GROUP_ID_SCHEMA, PROXMOX_TOKEN_ID_SCHEMA, PROXMOX_TOKEN
 mod user;
 pub use user::*;

-pub mod upid;
-pub use upid::*;
+pub use proxmox_schema::upid::*;

 mod crypto;
-pub use crypto::{CryptMode, Fingerprint};
+pub use crypto::{CryptMode, Fingerprint, bytes_as_fingerprint};

 pub mod file_restore;

+mod openid;
+pub use openid::*;
+
 mod remote;
 pub use remote::*;

 mod tape;
 pub use tape::*;

+mod traffic_control;
+pub use traffic_control::*;
+
 mod zfs;
 pub use zfs::*;

@ -153,6 +162,9 @@ pub const HOSTNAME_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&HOSTNAME_
 pub const DNS_ALIAS_FORMAT: ApiStringFormat =
    ApiStringFormat::Pattern(&DNS_ALIAS_REGEX);

+pub const DAILY_DURATION_FORMAT: ApiStringFormat =
+    ApiStringFormat::VerifyFn(|s| parse_daily_duration(s).map(drop));
+
 pub const SEARCH_DOMAIN_SCHEMA: Schema =
    StringSchema::new("Search domain for host-name lookup.").schema();

@ -359,33 +371,6 @@ pub struct APTUpdateInfo {
    pub extra_info: Option<String>,
 }

-#[api()]
-#[derive(Copy, Clone, Serialize, Deserialize)]
-#[serde(rename_all = "UPPERCASE")]
-pub enum RRDMode {
-    /// Maximum
-    Max,
-    /// Average
-    Average,
-}
-
-
-#[api()]
-#[repr(u64)]
-#[derive(Copy, Clone, Serialize, Deserialize)]
-#[serde(rename_all = "lowercase")]
-pub enum RRDTimeFrameResolution {
-    ///  1 min => last 70 minutes
-    Hour = 60,
-    /// 30 min => last 35 hours
-    Day = 60*30,
-    /// 3 hours => about 8 days
-    Week = 60*180,
-    /// 12 hours => last 35 days
-    Month = 60*720,
-    /// 1 week => last 490 days
-    Year = 60*10080,
-}

 #[api()]
 #[derive(Debug, Copy, Clone, PartialEq, Serialize, Deserialize)]
@ -397,3 +382,87 @@ pub enum NodePowerCommand {
    /// Shutdown the server
    Shutdown,
 }
+
+
+#[api()]
+#[derive(Eq, PartialEq, Debug, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum TaskStateType {
+    /// Ok
+    OK,
+    /// Warning
+    Warning,
+    /// Error
+    Error,
+    /// Unknown
+    Unknown,
+}
+
+#[api(
+    properties: {
+        upid: { schema: UPID::API_SCHEMA },
+    },
+)]
+#[derive(Serialize, Deserialize)]
+/// Task properties.
+pub struct TaskListItem {
+    pub upid: String,
+    /// The node name where the task is running on.
+    pub node: String,
+    /// The Unix PID
+    pub pid: i64,
+    /// The task start time (Epoch)
+    pub pstart: u64,
+    /// The task start time (Epoch)
+    pub starttime: i64,
+    /// Worker type (arbitrary ASCII string)
+    pub worker_type: String,
+    /// Worker ID (arbitrary ASCII string)
+    pub worker_id: Option<String>,
+    /// The authenticated entity who started the task
+    pub user: String,
+    /// The task end time (Epoch)
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub endtime: Option<i64>,
+    /// Task end status
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub status: Option<String>,
+}
+
+pub const NODE_TASKS_LIST_TASKS_RETURN_TYPE: ReturnType = ReturnType {
+    optional: false,
+    schema: &ArraySchema::new(
+        "A list of tasks.",
+        &TaskListItem::API_SCHEMA,
+    ).schema(),
+};
+
+#[api()]
+#[derive(Copy, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "UPPERCASE")]
+/// RRD consolidation mode
+pub enum RRDMode {
+    /// Maximum
+    Max,
+    /// Average
+    Average,
+}
+
+#[api()]
+#[derive(Copy, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+/// RRD time frame
+pub enum RRDTimeFrame {
+    /// Hour
+    Hour,
+    /// Day
+    Day,
+    /// Week
+    Week,
+    /// Month
+    Month,
+    /// Year
+    Year,
+    /// Decade (10 years)
+    Decade,
+}
--- a/pbs-api-types/src/network.rs
+++ b/pbs-api-types/src/network.rs
@ -1,6 +1,6 @@
 use serde::{Deserialize, Serialize};

-use proxmox::api::{api, schema::*};
+use proxmox_schema::*;

 use crate::{
    PROXMOX_SAFE_ID_REGEX,
--- a/pbs-api-types/src/openid.rs
+++ b/pbs-api-types/src/openid.rs
@ -0,0 +1,121 @@
+use serde::{Deserialize, Serialize};
+
+use proxmox_schema::{
+    api, ApiStringFormat, ArraySchema, Schema, StringSchema, Updater,
+};
+
+use super::{
+    PROXMOX_SAFE_ID_REGEX, PROXMOX_SAFE_ID_FORMAT, REALM_ID_SCHEMA,
+    SINGLE_LINE_COMMENT_SCHEMA,
+};
+
+pub const OPENID_SCOPE_FORMAT: ApiStringFormat =
+    ApiStringFormat::Pattern(&PROXMOX_SAFE_ID_REGEX);
+
+pub const OPENID_SCOPE_SCHEMA: Schema = StringSchema::new("OpenID Scope Name.")
+    .format(&OPENID_SCOPE_FORMAT)
+    .schema();
+
+pub const OPENID_SCOPE_ARRAY_SCHEMA: Schema = ArraySchema::new(
+    "Array of OpenId Scopes.", &OPENID_SCOPE_SCHEMA).schema();
+
+pub const OPENID_SCOPE_LIST_FORMAT: ApiStringFormat =
+    ApiStringFormat::PropertyString(&OPENID_SCOPE_ARRAY_SCHEMA);
+
+pub const OPENID_DEFAILT_SCOPE_LIST: &'static str = "email profile";
+pub const OPENID_SCOPE_LIST_SCHEMA: Schema = StringSchema::new("OpenID Scope List")
+    .format(&OPENID_SCOPE_LIST_FORMAT)
+    .default(OPENID_DEFAILT_SCOPE_LIST)
+    .schema();
+
+pub const OPENID_ACR_FORMAT: ApiStringFormat =
+    ApiStringFormat::Pattern(&PROXMOX_SAFE_ID_REGEX);
+
+pub const OPENID_ACR_SCHEMA: Schema = StringSchema::new("OpenID Authentication Context Class Reference.")
+    .format(&OPENID_SCOPE_FORMAT)
+    .schema();
+
+pub const OPENID_ACR_ARRAY_SCHEMA: Schema = ArraySchema::new(
+    "Array of OpenId ACRs.", &OPENID_ACR_SCHEMA).schema();
+
+pub const OPENID_ACR_LIST_FORMAT: ApiStringFormat =
+    ApiStringFormat::PropertyString(&OPENID_ACR_ARRAY_SCHEMA);
+
+pub const OPENID_ACR_LIST_SCHEMA: Schema = StringSchema::new("OpenID ACR List")
+    .format(&OPENID_ACR_LIST_FORMAT)
+    .schema();
+
+pub const OPENID_USERNAME_CLAIM_SCHEMA: Schema = StringSchema::new(
+    "Use the value of this attribute/claim as unique user name. It \
+    is up to the identity provider to guarantee the uniqueness. The \
+    OpenID specification only guarantees that Subject ('sub') is \
+    unique. Also make sure that the user is not allowed to change that \
+    attribute by himself!")
+    .max_length(64)
+    .min_length(1)
+    .format(&PROXMOX_SAFE_ID_FORMAT) .schema();
+
+#[api(
+    properties: {
+        realm: {
+            schema: REALM_ID_SCHEMA,
+        },
+        "client-key": {
+            optional: true,
+        },
+        "scopes": {
+            schema: OPENID_SCOPE_LIST_SCHEMA,
+            optional: true,
+        },
+        "acr-values": {
+            schema: OPENID_ACR_LIST_SCHEMA,
+            optional: true,
+        },
+        prompt: {
+            description: "OpenID Prompt",
+            type: String,
+            format: &PROXMOX_SAFE_ID_FORMAT,
+            optional: true,
+        },
+        comment: {
+            optional: true,
+            schema: SINGLE_LINE_COMMENT_SCHEMA,
+        },
+        autocreate: {
+            optional: true,
+            default: false,
+        },
+        "username-claim": {
+            schema: OPENID_USERNAME_CLAIM_SCHEMA,
+            optional: true,
+        },
+    },
+)]
+#[derive(Serialize, Deserialize, Updater)]
+#[serde(rename_all="kebab-case")]
+/// OpenID configuration properties.
+pub struct OpenIdRealmConfig {
+    #[updater(skip)]
+    pub realm: String,
+    /// OpenID Issuer Url
+    pub issuer_url: String,
+    /// OpenID Client ID
+    pub client_id: String,
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub scopes: Option<String>,
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub acr_values: Option<String>,
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub prompt: Option<String>,
+    /// OpenID Client Key
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub client_key: Option<String>,
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub comment: Option<String>,
+    /// Automatically create users if they do not exist.
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub autocreate: Option<bool>,
+    #[updater(skip)]
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub username_claim: Option<String>,
+}
--- a/pbs-api-types/src/remote.rs
+++ b/pbs-api-types/src/remote.rs
@ -1,7 +1,7 @@
 use serde::{Deserialize, Serialize};

 use super::*;
-use proxmox::api::{api, schema::*};
+use proxmox_schema::*;

 pub const REMOTE_PASSWORD_SCHEMA: Schema = StringSchema::new("Password or auth token for remote host.")
    .format(&PASSWORD_FORMAT)
--- a/pbs-api-types/src/tape/changer.rs
+++ b/pbs-api-types/src/tape/changer.rs
@ -2,22 +2,11 @@

 use serde::{Deserialize, Serialize};

-use proxmox::api::{
-    api,
-    schema::{
-        Schema,
-        ApiStringFormat,
-        ArraySchema,
-        IntegerSchema,
-        StringSchema,
-        Updater,
-    },
+use proxmox_schema::{
+    api, ApiStringFormat, ArraySchema, IntegerSchema, Schema, StringSchema, Updater,
 };

-use crate::{
-    PROXMOX_SAFE_ID_FORMAT,
-    OptionalDeviceIdentification,
-};
+use crate::{OptionalDeviceIdentification, PROXMOX_SAFE_ID_FORMAT};

 pub const CHANGER_NAME_SCHEMA: Schema = StringSchema::new("Tape Changer Identifier.")
    .format(&PROXMOX_SAFE_ID_FORMAT)
@ -25,9 +14,8 @@ pub const CHANGER_NAME_SCHEMA: Schema = StringSchema::new("Tape Changer Identifi
    .max_length(32)
    .schema();

-pub const SCSI_CHANGER_PATH_SCHEMA: Schema = StringSchema::new(
-    "Path to Linux generic SCSI device (e.g. '/dev/sg4')")
-    .schema();
+pub const SCSI_CHANGER_PATH_SCHEMA: Schema =
+    StringSchema::new("Path to Linux generic SCSI device (e.g. '/dev/sg4')").schema();

 pub const MEDIA_LABEL_SCHEMA: Schema = StringSchema::new("Media Label/Barcode.")
    .format(&PROXMOX_SAFE_ID_FORMAT)
@ -36,16 +24,18 @@ pub const MEDIA_LABEL_SCHEMA: Schema = StringSchema::new("Media Label/Barcode.")
    .schema();

 pub const SLOT_ARRAY_SCHEMA: Schema = ArraySchema::new(
-    "Slot list.", &IntegerSchema::new("Slot number")
-        .minimum(1)
-        .schema())
+    "Slot list.",
+    &IntegerSchema::new("Slot number").minimum(1).schema(),
+)
 .schema();

-pub const EXPORT_SLOT_LIST_SCHEMA: Schema = StringSchema::new("\
+pub const EXPORT_SLOT_LIST_SCHEMA: Schema = StringSchema::new(
+    "\
 A list of slot numbers, comma separated. Those slots are reserved for
 Import/Export, i.e. any media in those slots are considered to be
 'offline'.
-")
+",
+)
 .format(&ApiStringFormat::PropertyString(&SLOT_ARRAY_SCHEMA))
 .schema();

--- a/pbs-api-types/src/tape/device.rs
+++ b/pbs-api-types/src/tape/device.rs
@ -1,6 +1,6 @@
 use ::serde::{Deserialize, Serialize};

-use proxmox::api::api;
+use proxmox_schema::api;

 #[api()]
 #[derive(Serialize,Deserialize)]
--- a/pbs-api-types/src/tape/drive.rs
+++ b/pbs-api-types/src/tape/drive.rs
@ -4,10 +4,7 @@ use std::convert::TryFrom;
 use anyhow::{bail, Error};
 use serde::{Deserialize, Serialize};

-use proxmox::api::{
-    api,
-    schema::{Schema, IntegerSchema, StringSchema, Updater},
-};
+use proxmox_schema::{api, Schema, IntegerSchema, StringSchema, Updater};

 use crate::{
    PROXMOX_SAFE_ID_FORMAT,
--- a/pbs-api-types/src/tape/media.rs
+++ b/pbs-api-types/src/tape/media.rs
@ -1,9 +1,7 @@
 use ::serde::{Deserialize, Serialize};

-use proxmox::{
-    api::{api, schema::*},
-    tools::Uuid,
-};
+use proxmox_schema::*;
+use proxmox_uuid::Uuid;

 use crate::{
    UUID_FORMAT,
--- a/pbs-api-types/src/tape/media_location.rs
+++ b/pbs-api-types/src/tape/media_location.rs
@ -1,18 +1,8 @@
 use anyhow::{bail, Error};

-use proxmox::api::{
-    schema::{
-        Schema,
-        StringSchema,
-        ApiStringFormat,
-        parse_simple_value,
-    },
-};
+use proxmox_schema::{parse_simple_value, ApiStringFormat, Schema, StringSchema};

-use crate::{
-    PROXMOX_SAFE_ID_FORMAT,
-    CHANGER_NAME_SCHEMA,
-};
+use crate::{CHANGER_NAME_SCHEMA, PROXMOX_SAFE_ID_FORMAT};

 pub const VAULT_NAME_SCHEMA: Schema = StringSchema::new("Vault name.")
    .format(&PROXMOX_SAFE_ID_FORMAT)
@ -35,9 +25,10 @@ pub enum MediaLocation {
 proxmox::forward_deserialize_to_from_str!(MediaLocation);
 proxmox::forward_serialize_to_display!(MediaLocation);

-impl proxmox::api::schema::ApiType for MediaLocation {
+impl proxmox_schema::ApiType for MediaLocation {
    const API_SCHEMA: Schema = StringSchema::new(
-        "Media location (e.g. 'offline', 'online-<changer_name>', 'vault-<vault_name>')")
+        "Media location (e.g. 'offline', 'online-<changer_name>', 'vault-<vault_name>')",
+    )
    .format(&ApiStringFormat::VerifyFn(|text| {
        let location: MediaLocation = text.parse()?;
        match location {
@ -54,9 +45,7 @@ impl proxmox::api::schema::ApiType for MediaLocation {
    .schema();
 }

-
 impl std::fmt::Display for MediaLocation {
-
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            MediaLocation::Offline => {
--- a/pbs-api-types/src/tape/media_pool.rs
+++ b/pbs-api-types/src/tape/media_pool.rs
@ -9,12 +9,9 @@ use std::str::FromStr;
 use anyhow::Error;
 use serde::{Deserialize, Serialize};

-use proxmox::api::{
-    api,
-    schema::{Schema, StringSchema, ApiStringFormat, Updater},
-};
+use proxmox_schema::{api, Schema, StringSchema, ApiStringFormat, Updater};

-use proxmox_systemd::time::{parse_calendar_event, parse_time_span, CalendarEvent, TimeSpan};
+use proxmox_time::{parse_calendar_event, parse_time_span, CalendarEvent, TimeSpan};

 use crate::{
    PROXMOX_SAFE_ID_FORMAT,
--- a/pbs-api-types/src/tape/media_status.rs
+++ b/pbs-api-types/src/tape/media_status.rs
@ -1,6 +1,6 @@
-use ::serde::{Deserialize, Serialize};
+use serde::{Deserialize, Serialize};

-use proxmox::api::api;
+use proxmox_schema::api;

 #[api()]
 /// Media status
--- a/pbs-api-types/src/tape/mod.rs
+++ b/pbs-api-types/src/tape/mod.rs
@ -22,13 +22,10 @@ pub use media_location::*;
 mod media;
 pub use media::*;

-use ::serde::{Deserialize, Serialize};
+use serde::{Deserialize, Serialize};

-use proxmox::api::api;
-use proxmox::api::schema::{Schema, StringSchema, ApiStringFormat};
-use proxmox::tools::Uuid;
-
-use proxmox::const_regex;
+use proxmox_schema::{api, const_regex, Schema, StringSchema, ApiStringFormat};
+use proxmox_uuid::Uuid;

 use crate::{
    FINGERPRINT_SHA256_FORMAT, BACKUP_ID_SCHEMA, BACKUP_TYPE_SCHEMA,
--- a/pbs-api-types/src/traffic_control.rs
+++ b/pbs-api-types/src/traffic_control.rs
@ -0,0 +1,122 @@
+use serde::{Deserialize, Serialize};
+
+use proxmox_schema::{api, Schema, IntegerSchema, StringSchema, Updater};
+
+use crate::{
+    HumanByte, CIDR_SCHEMA, DAILY_DURATION_FORMAT,
+    PROXMOX_SAFE_ID_FORMAT, SINGLE_LINE_COMMENT_SCHEMA,
+};
+
+pub const TRAFFIC_CONTROL_TIMEFRAME_SCHEMA: Schema = StringSchema::new(
+    "Timeframe to specify when the rule is actice.")
+    .format(&DAILY_DURATION_FORMAT)
+    .schema();
+
+pub const TRAFFIC_CONTROL_ID_SCHEMA: Schema = StringSchema::new("Rule ID.")
+    .format(&PROXMOX_SAFE_ID_FORMAT)
+    .min_length(3)
+    .max_length(32)
+    .schema();
+
+pub const TRAFFIC_CONTROL_RATE_SCHEMA: Schema = IntegerSchema::new(
+    "Rate limit (for Token bucket filter) in bytes/second.")
+    .minimum(100_000)
+    .schema();
+
+pub const TRAFFIC_CONTROL_BURST_SCHEMA: Schema = IntegerSchema::new(
+    "Size of the token bucket (for Token bucket filter) in bytes.")
+    .minimum(1000)
+    .schema();
+
+#[api(
+    properties: {
+        "rate-in": {
+            type: HumanByte,
+            optional: true,
+        },
+        "burst-in": {
+            type: HumanByte,
+            optional: true,
+        },
+        "rate-out": {
+            type: HumanByte,
+            optional: true,
+        },
+        "burst-out": {
+            type: HumanByte,
+            optional: true,
+        },
+    },
+)]
+#[derive(Serialize,Deserialize,Default,Clone,Updater)]
+#[serde(rename_all = "kebab-case")]
+///  Rate Limit Configuration
+pub struct RateLimitConfig {
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub rate_in: Option<HumanByte>,
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub burst_in: Option<HumanByte>,
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub rate_out: Option<HumanByte>,
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub burst_out: Option<HumanByte>,
+}
+
+impl RateLimitConfig {
+    pub fn with_same_inout(rate: Option<HumanByte>, burst: Option<HumanByte>) -> Self {
+        Self {
+            rate_in: rate,
+            burst_in: burst,
+            rate_out: rate,
+            burst_out: burst,
+        }
+    }
+}
+
+#[api(
+    properties: {
+        name: {
+            schema: TRAFFIC_CONTROL_ID_SCHEMA,
+        },
+        comment: {
+            optional: true,
+            schema: SINGLE_LINE_COMMENT_SCHEMA,
+        },
+        limit: {
+            type: RateLimitConfig,
+        },
+        network: {
+            type: Array,
+            items: {
+                schema: CIDR_SCHEMA,
+            },
+        },
+        timeframe: {
+            type: Array,
+            items: {
+                schema: TRAFFIC_CONTROL_TIMEFRAME_SCHEMA,
+            },
+            optional: true,
+        },
+    },
+)]
+#[derive(Serialize,Deserialize, Updater)]
+#[serde(rename_all = "kebab-case")]
+///  Traffic control rule
+pub struct TrafficControlRule {
+    #[updater(skip)]
+    pub name: String,
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub comment: Option<String>,
+    /// Rule applies to Source IPs within this networks
+    pub network: Vec<String>,
+    #[serde(flatten)]
+    pub limit: RateLimitConfig,
+    // fixme: expose this?
+    //    /// Bandwidth is shared accross all connections
+    //    #[serde(skip_serializing_if="Option::is_none")]
+    //    pub shared: Option<bool>,
+    /// Enable the rule at specific times
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub timeframe: Option<Vec<String>>,
+}
--- a/pbs-api-types/src/upid.rs
+++ b/pbs-api-types/src/upid.rs
@ -1,203 +0,0 @@
-use std::sync::atomic::{AtomicUsize, Ordering};
-
-use anyhow::{bail, Error};
-use serde::{Deserialize, Serialize};
-
-use proxmox::api::api;
-use proxmox::api::schema::{ApiStringFormat, ApiType, Schema, StringSchema, ArraySchema, ReturnType};
-use proxmox::const_regex;
-use proxmox::sys::linux::procfs;
-
-use crate::Authid;
-
-/// Unique Process/Task Identifier
-///
-/// We use this to uniquely identify worker task. UPIDs have a short
-/// string repesentaion, which gives additional information about the
-/// type of the task. for example:
-/// ```text
-/// UPID:{node}:{pid}:{pstart}:{task_id}:{starttime}:{worker_type}:{worker_id}:{userid}:
-/// UPID:elsa:00004F37:0039E469:00000000:5CA78B83:garbage_collection::root@pam:
-/// ```
-/// Please note that we use tokio, so a single thread can run multiple
-/// tasks.
-// #[api] - manually implemented API type
-#[derive(Debug, Clone)]
-pub struct UPID {
-    /// The Unix PID
-    pub pid: libc::pid_t,
-    /// The Unix process start time from `/proc/pid/stat`
-    pub pstart: u64,
-    /// The task start time (Epoch)
-    pub starttime: i64,
-    /// The task ID (inside the process/thread)
-    pub task_id: usize,
-    /// Worker type (arbitrary ASCII string)
-    pub worker_type: String,
-    /// Worker ID (arbitrary ASCII string)
-    pub worker_id: Option<String>,
-    /// The authenticated entity who started the task
-    pub auth_id: Authid,
-    /// The node name.
-    pub node: String,
-}
-
-proxmox::forward_serialize_to_display!(UPID);
-proxmox::forward_deserialize_to_from_str!(UPID);
-
-const_regex! {
-    pub PROXMOX_UPID_REGEX = concat!(
-        r"^UPID:(?P<node>[a-zA-Z0-9]([a-zA-Z0-9\-]*[a-zA-Z0-9])?):(?P<pid>[0-9A-Fa-f]{8}):",
-        r"(?P<pstart>[0-9A-Fa-f]{8,9}):(?P<task_id>[0-9A-Fa-f]{8,16}):(?P<starttime>[0-9A-Fa-f]{8}):",
-        r"(?P<wtype>[^:\s]+):(?P<wid>[^:\s]*):(?P<authid>[^:\s]+):$"
-    );
-}
-
-pub const PROXMOX_UPID_FORMAT: ApiStringFormat =
-    ApiStringFormat::Pattern(&PROXMOX_UPID_REGEX);
-
-pub const UPID_SCHEMA: Schema = StringSchema::new("Unique Process/Task Identifier")
-    .min_length("UPID:N:12345678:12345678:12345678:::".len())
-    .max_length(128) // arbitrary
-    .format(&PROXMOX_UPID_FORMAT)
-    .schema();
-
-impl ApiType for UPID {
-    const API_SCHEMA: Schema = UPID_SCHEMA;
-}
-
-impl UPID {
-    /// Create a new UPID
-    pub fn new(
-        worker_type: &str,
-        worker_id: Option<String>,
-        auth_id: Authid,
-    ) -> Result<Self, Error> {
-
-        let pid = unsafe { libc::getpid() };
-
-        let bad: &[_] = &['/', ':', ' '];
-
-        if worker_type.contains(bad) {
-            bail!("illegal characters in worker type '{}'", worker_type);
-        }
-
-        static WORKER_TASK_NEXT_ID: AtomicUsize = AtomicUsize::new(0);
-
-        let task_id = WORKER_TASK_NEXT_ID.fetch_add(1, Ordering::SeqCst);
-
-        Ok(UPID {
-            pid,
-            pstart: procfs::PidStat::read_from_pid(nix::unistd::Pid::from_raw(pid))?.starttime,
-            starttime: proxmox::tools::time::epoch_i64(),
-            task_id,
-            worker_type: worker_type.to_owned(),
-            worker_id,
-            auth_id,
-            node: proxmox::tools::nodename().to_owned(),
-        })
-    }
-}
-
-
-impl std::str::FromStr for UPID {
-    type Err = Error;
-
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        if let Some(cap) = PROXMOX_UPID_REGEX.captures(s) {
-
-            let worker_id = if cap["wid"].is_empty() {
-                None
-            } else {
-                let wid = proxmox_systemd::unescape_unit(&cap["wid"])?;
-                Some(wid)
-            };
-
-            Ok(UPID {
-                pid: i32::from_str_radix(&cap["pid"], 16).unwrap(),
-                pstart: u64::from_str_radix(&cap["pstart"], 16).unwrap(),
-                starttime: i64::from_str_radix(&cap["starttime"], 16).unwrap(),
-                task_id: usize::from_str_radix(&cap["task_id"], 16).unwrap(),
-                worker_type: cap["wtype"].to_string(),
-                worker_id,
-                auth_id: cap["authid"].parse()?,
-                node: cap["node"].to_string(),
-            })
-        } else {
-            bail!("unable to parse UPID '{}'", s);
-        }
-
-    }
-}
-
-impl std::fmt::Display for UPID {
-
-    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
-
-        let wid = if let Some(ref id) = self.worker_id {
-            proxmox_systemd::escape_unit(id, false)
-        } else {
-            String::new()
-        };
-
-        // Note: pstart can be > 32bit if uptime > 497 days, so this can result in
-        // more that 8 characters for pstart
-
-        write!(f, "UPID:{}:{:08X}:{:08X}:{:08X}:{:08X}:{}:{}:{}:",
-               self.node, self.pid, self.pstart, self.task_id, self.starttime, self.worker_type, wid, self.auth_id)
-    }
-}
-
-#[api()]
-#[derive(Eq, PartialEq, Debug, Serialize, Deserialize)]
-#[serde(rename_all = "lowercase")]
-pub enum TaskStateType {
-    /// Ok
-    OK,
-    /// Warning
-    Warning,
-    /// Error
-    Error,
-    /// Unknown
-    Unknown,
-}
-
-#[api(
-    properties: {
-        upid: { schema: UPID::API_SCHEMA },
-    },
-)]
-#[derive(Serialize, Deserialize)]
-/// Task properties.
-pub struct TaskListItem {
-    pub upid: String,
-    /// The node name where the task is running on.
-    pub node: String,
-    /// The Unix PID
-    pub pid: i64,
-    /// The task start time (Epoch)
-    pub pstart: u64,
-    /// The task start time (Epoch)
-    pub starttime: i64,
-    /// Worker type (arbitrary ASCII string)
-    pub worker_type: String,
-    /// Worker ID (arbitrary ASCII string)
-    pub worker_id: Option<String>,
-    /// The authenticated entity who started the task
-    pub user: Authid,
-    /// The task end time (Epoch)
-    #[serde(skip_serializing_if="Option::is_none")]
-    pub endtime: Option<i64>,
-    /// Task end status
-    #[serde(skip_serializing_if="Option::is_none")]
-    pub status: Option<String>,
-}
-
-pub const NODE_TASKS_LIST_TASKS_RETURN_TYPE: ReturnType = ReturnType {
-    optional: false,
-    schema: &ArraySchema::new(
-        "A list of tasks.",
-        &TaskListItem::API_SCHEMA,
-    ).schema(),
-};
-
--- a/pbs-api-types/src/user.rs
+++ b/pbs-api-types/src/user.rs
@ -1,8 +1,7 @@
 use serde::{Deserialize, Serialize};

-use proxmox::api::api;
-use proxmox::api::schema::{
-    BooleanSchema, IntegerSchema, Schema, StringSchema, Updater,
+use proxmox_schema::{
+    api, BooleanSchema, IntegerSchema, Schema, StringSchema, Updater,
 };

 use super::{SINGLE_LINE_COMMENT_FORMAT, SINGLE_LINE_COMMENT_SCHEMA};
@ -133,7 +132,7 @@ impl ApiToken {
            return false;
        }
        if let Some(expire) = self.expire {
-            let now =  proxmox::tools::time::epoch_i64();
+            let now =  proxmox_time::epoch_i64();
            if expire > 0 && expire <= now {
                return false;
            }
@ -198,7 +197,7 @@ impl User {
            return false;
        }
        if let Some(expire) = self.expire {
-            let now =  proxmox::tools::time::epoch_i64();
+            let now =  proxmox_time::epoch_i64();
            if expire > 0 && expire <= now {
                return false;
            }
--- a/pbs-api-types/src/userid.rs
+++ b/pbs-api-types/src/userid.rs
@ -29,9 +29,9 @@ use anyhow::{bail, format_err, Error};
 use lazy_static::lazy_static;
 use serde::{Deserialize, Serialize};

-use proxmox::api::api;
-use proxmox::api::schema::{ApiStringFormat, ApiType, Schema, StringSchema, UpdaterType};
-use proxmox::const_regex;
+use proxmox_schema::{
+    api, const_regex, ApiStringFormat, ApiType, Schema, StringSchema, UpdaterType,
+};

 // we only allow a limited set of characters
 // colon is not allowed, because we store usernames in
--- a/pbs-api-types/src/zfs.rs
+++ b/pbs-api-types/src/zfs.rs
@ -1,8 +1,6 @@
 use serde::{Deserialize, Serialize};

-use proxmox::api::{api, schema::*};
-
-use proxmox::const_regex;
+use proxmox_schema::*;

 const_regex! {
    pub ZPOOL_NAME_REGEX = r"^[a-zA-Z][a-z0-9A-Z\-_.:]+$";
--- a/pbs-buildcfg/Cargo.toml
+++ b/pbs-buildcfg/Cargo.toml
@ -1,6 +1,6 @@
 [package]
 name = "pbs-buildcfg"
-version = "2.0.10"
+version = "2.1.2"
 authors = ["Proxmox Support Team <support@proxmox.com>"]
 edition = "2018"
 description = "macros used for pbs related paths such as configdir and rundir"
--- a/pbs-buildcfg/src/lib.rs
+++ b/pbs-buildcfg/src/lib.rs
@ -22,6 +22,9 @@ pub const BACKUP_GROUP_NAME: &str = "backup";
 #[macro_export]
 macro_rules! PROXMOX_BACKUP_RUN_DIR_M { () => ("/run/proxmox-backup") }

+#[macro_export]
+macro_rules! PROXMOX_BACKUP_STATE_DIR_M { () => ("/var/lib/proxmox-backup") }
+
 #[macro_export]
 macro_rules! PROXMOX_BACKUP_LOG_DIR_M { () => ("/var/log/proxmox-backup") }

@ -36,6 +39,9 @@ macro_rules! PROXMOX_BACKUP_FILE_RESTORE_BIN_DIR_M {
 /// namespaced directory for in-memory (tmpfs) run state
 pub const PROXMOX_BACKUP_RUN_DIR: &str = PROXMOX_BACKUP_RUN_DIR_M!();

+/// namespaced directory for persistent state
+pub const PROXMOX_BACKUP_STATE_DIR: &str = PROXMOX_BACKUP_STATE_DIR_M!();
+
 /// namespaced directory for persistent logging
 pub const PROXMOX_BACKUP_LOG_DIR: &str = PROXMOX_BACKUP_LOG_DIR_M!();

--- a/pbs-client/Cargo.toml
+++ b/pbs-client/Cargo.toml
@ -28,13 +28,18 @@ tower-service = "0.3.0"
 xdg = "2.2"

 pathpatterns = "0.1.2"
-proxmox = { version = "0.13.3", default-features = false, features = [ "cli" ] }
+proxmox = "0.15.3"
+proxmox-async = "0.2"
 proxmox-fuse = "0.1.1"
-proxmox-http = { version = "0.4.0", features = [ "client", "http-helpers", "websocket" ] }
+proxmox-http = { version = "0.5.4", features = [ "client", "http-helpers", "websocket" ] }
+proxmox-io = { version = "1", features = [ "tokio" ] }
+proxmox-lang = "1"
+proxmox-router = { version = "1.1", features = [ "cli" ] }
+proxmox-schema = "1"
+proxmox-time = "1"
 pxar = { version = "0.10.1", features = [ "tokio-io" ] }

 pbs-api-types = { path = "../pbs-api-types" }
 pbs-buildcfg = { path = "../pbs-buildcfg" }
 pbs-datastore = { path = "../pbs-datastore" }
-pbs-runtime = { path = "../pbs-runtime" }
 pbs-tools = { path = "../pbs-tools" }
--- a/pbs-client/src/backup_specification.rs
+++ b/pbs-client/src/backup_specification.rs
@ -1,8 +1,8 @@
 use anyhow::{bail, Error};

-use proxmox::api::schema::*;
+use proxmox_schema::*;

-proxmox::const_regex! {
+const_regex! {
    BACKUPSPEC_REGEX = r"^([a-zA-Z0-9_-]+\.(pxar|img|conf|log)):(.+)$";
 }

--- a/pbs-client/src/backup_writer.rs
+++ b/pbs-client/src/backup_writer.rs
@ -14,8 +14,8 @@ use tokio_stream::wrappers::ReceiverStream;

 use proxmox::tools::digest_to_hex;

+use pbs_api_types::HumanByte;
 use pbs_tools::crypt_config::CryptConfig;
-use pbs_tools::format::HumanByte;
 use pbs_datastore::{CATALOG_NAME, PROXMOX_BACKUP_PROTOCOL_ID_V1};
 use pbs_datastore::data_blob::{ChunkInfo, DataBlob, DataChunkBuilder};
 use pbs_datastore::dynamic_index::DynamicIndexReader;
@ -338,7 +338,7 @@ impl BackupWriter {
        let size_dirty = upload_stats.size - upload_stats.size_reused;
        let size: HumanByte = upload_stats.size.into();
        let archive = if self.verbose {
-            archive_name.to_string()
+            archive_name
        } else {
            pbs_tools::format::strip_server_file_extension(archive_name)
        };
--- a/pbs-client/src/catalog_shell.rs
+++ b/pbs-client/src/catalog_shell.rs
@ -3,6 +3,7 @@ use std::ffi::{CStr, CString, OsStr, OsString};
 use std::future::Future;
 use std::io::Write;
 use std::mem;
+use std::ops::ControlFlow;
 use std::os::unix::ffi::{OsStrExt, OsStringExt};
 use std::path::{Path, PathBuf};
 use std::pin::Pin;
@ -13,14 +14,13 @@ use nix::fcntl::OFlag;
 use nix::sys::stat::Mode;

 use pathpatterns::{MatchEntry, MatchList, MatchPattern, MatchType, PatternFlag};
-use proxmox::api::api;
-use proxmox::api::cli::{self, CliCommand, CliCommandMap, CliHelper, CommandLineInterface};
 use proxmox::tools::fs::{create_path, CreateOptions};
+use proxmox_router::cli::{self, CliCommand, CliCommandMap, CliHelper, CommandLineInterface};
+use proxmox_schema::api;
 use pxar::{EntryKind, Metadata};

-use pbs_runtime::block_in_place;
+use proxmox_async::runtime::block_in_place;
 use pbs_datastore::catalog::{self, DirEntryAttribute};
-use pbs_tools::ops::ControlFlow;

 use crate::pxar::Flags;
 use crate::pxar::fuse::{Accessor, FileEntry};
@ -79,13 +79,13 @@ pub fn catalog_shell_cli() -> CommandLineInterface {
                "restore-selected",
                CliCommand::new(&API_METHOD_RESTORE_SELECTED_COMMAND)
                    .arg_param(&["target"])
-                    .completion_cb("target", pbs_tools::fs::complete_file_name),
+                    .completion_cb("target", cli::complete_file_name),
            )
            .insert(
                "restore",
                CliCommand::new(&API_METHOD_RESTORE_COMMAND)
                    .arg_param(&["target"])
-                    .completion_cb("target", pbs_tools::fs::complete_file_name),
+                    .completion_cb("target", cli::complete_file_name),
            )
            .insert(
                "find",
@ -1100,7 +1100,7 @@ impl<'a> ExtractorState<'a> {

        self.extractor.leave_directory()?;

-        Ok(ControlFlow::CONTINUE)
+        Ok(ControlFlow::Continue(()))
    }

    async fn handle_new_directory(
--- a/pbs-client/src/dynamic_index.rs
+++ b/pbs-client/src/dynamic_index.rs
@ -1,230 +0,0 @@
-use std::io::{self, Seek, SeekFrom};
-use std::ops::Range;
-use std::sync::{Arc, Mutex};
-use std::task::Context;
-use std::pin::Pin;
-
-use anyhow::{bail, format_err, Error};
-
-use pxar::accessor::{MaybeReady, ReadAt, ReadAtOperation};
-
-use pbs_datastore::dynamic_index::DynamicIndexReader;
-use pbs_datastore::read_chunk::ReadChunk;
-use pbs_datastore::index::IndexFile;
-use pbs_tools::lru_cache::LruCache;
-
-struct CachedChunk {
-    range: Range<u64>,
-    data: Vec<u8>,
-}
-
-impl CachedChunk {
-    /// Perform sanity checks on the range and data size:
-    pub fn new(range: Range<u64>, data: Vec<u8>) -> Result<Self, Error> {
-        if data.len() as u64 != range.end - range.start {
-            bail!(
-                "read chunk with wrong size ({} != {})",
-                data.len(),
-                range.end - range.start,
-            );
-        }
-        Ok(Self { range, data })
-    }
-}
-
-pub struct BufferedDynamicReader<S> {
-    store: S,
-    index: DynamicIndexReader,
-    archive_size: u64,
-    read_buffer: Vec<u8>,
-    buffered_chunk_idx: usize,
-    buffered_chunk_start: u64,
-    read_offset: u64,
-    lru_cache: LruCache<usize, CachedChunk>,
-}
-
-struct ChunkCacher<'a, S> {
-    store: &'a mut S,
-    index: &'a DynamicIndexReader,
-}
-
-impl<'a, S: ReadChunk> pbs_tools::lru_cache::Cacher<usize, CachedChunk> for ChunkCacher<'a, S> {
-    fn fetch(&mut self, index: usize) -> Result<Option<CachedChunk>, Error> {
-        let info = match self.index.chunk_info(index) {
-            Some(info) => info,
-            None => bail!("chunk index out of range"),
-        };
-        let range = info.range;
-        let data = self.store.read_chunk(&info.digest)?;
-        CachedChunk::new(range, data).map(Some)
-    }
-}
-
-impl<S: ReadChunk> BufferedDynamicReader<S> {
-    pub fn new(index: DynamicIndexReader, store: S) -> Self {
-        let archive_size = index.index_bytes();
-        Self {
-            store,
-            index,
-            archive_size,
-            read_buffer: Vec::with_capacity(1024 * 1024),
-            buffered_chunk_idx: 0,
-            buffered_chunk_start: 0,
-            read_offset: 0,
-            lru_cache: LruCache::new(32),
-        }
-    }
-
-    pub fn archive_size(&self) -> u64 {
-        self.archive_size
-    }
-
-    fn buffer_chunk(&mut self, idx: usize) -> Result<(), Error> {
-        //let (start, end, data) = self.lru_cache.access(
-        let cached_chunk = self.lru_cache.access(
-            idx,
-            &mut ChunkCacher {
-                store: &mut self.store,
-                index: &self.index,
-            },
-        )?.ok_or_else(|| format_err!("chunk not found by cacher"))?;
-
-        // fixme: avoid copy
-        self.read_buffer.clear();
-        self.read_buffer.extend_from_slice(&cached_chunk.data);
-
-        self.buffered_chunk_idx = idx;
-
-        self.buffered_chunk_start = cached_chunk.range.start;
-        //println!("BUFFER {} {}",  self.buffered_chunk_start, end);
-        Ok(())
-    }
-}
-
-impl<S: ReadChunk> pbs_tools::io::BufferedRead for BufferedDynamicReader<S> {
-    fn buffered_read(&mut self, offset: u64) -> Result<&[u8], Error> {
-        if offset == self.archive_size {
-            return Ok(&self.read_buffer[0..0]);
-        }
-
-        let buffer_len = self.read_buffer.len();
-        let index = &self.index;
-
-        // optimization for sequential read
-        if buffer_len > 0
-            && ((self.buffered_chunk_idx + 1) < index.index().len())
-            && (offset >= (self.buffered_chunk_start + (self.read_buffer.len() as u64)))
-        {
-            let next_idx = self.buffered_chunk_idx + 1;
-            let next_end = index.chunk_end(next_idx);
-            if offset < next_end {
-                self.buffer_chunk(next_idx)?;
-                let buffer_offset = (offset - self.buffered_chunk_start) as usize;
-                return Ok(&self.read_buffer[buffer_offset..]);
-            }
-        }
-
-        if (buffer_len == 0)
-            || (offset < self.buffered_chunk_start)
-            || (offset >= (self.buffered_chunk_start + (self.read_buffer.len() as u64)))
-        {
-            let end_idx = index.index().len() - 1;
-            let end = index.chunk_end(end_idx);
-            let idx = index.binary_search(0, 0, end_idx, end, offset)?;
-            self.buffer_chunk(idx)?;
-        }
-
-        let buffer_offset = (offset - self.buffered_chunk_start) as usize;
-        Ok(&self.read_buffer[buffer_offset..])
-    }
-}
-
-impl<S: ReadChunk> std::io::Read for BufferedDynamicReader<S> {
-    fn read(&mut self, buf: &mut [u8]) -> Result<usize, std::io::Error> {
-        use pbs_tools::io::BufferedRead;
-        use std::io::{Error, ErrorKind};
-
-        let data = match self.buffered_read(self.read_offset) {
-            Ok(v) => v,
-            Err(err) => return Err(Error::new(ErrorKind::Other, err.to_string())),
-        };
-
-        let n = if data.len() > buf.len() {
-            buf.len()
-        } else {
-            data.len()
-        };
-
-        buf[0..n].copy_from_slice(&data[0..n]);
-
-        self.read_offset += n as u64;
-
-        Ok(n)
-    }
-}
-
-impl<S: ReadChunk> std::io::Seek for BufferedDynamicReader<S> {
-    fn seek(&mut self, pos: SeekFrom) -> Result<u64, std::io::Error> {
-        let new_offset = match pos {
-            SeekFrom::Start(start_offset) => start_offset as i64,
-            SeekFrom::End(end_offset) => (self.archive_size as i64) + end_offset,
-            SeekFrom::Current(offset) => (self.read_offset as i64) + offset,
-        };
-
-        use std::io::{Error, ErrorKind};
-        if (new_offset < 0) || (new_offset > (self.archive_size as i64)) {
-            return Err(Error::new(
-                ErrorKind::Other,
-                format!(
-                    "seek is out of range {} ([0..{}])",
-                    new_offset, self.archive_size
-                ),
-            ));
-        }
-        self.read_offset = new_offset as u64;
-
-        Ok(self.read_offset)
-    }
-}
-
-/// This is a workaround until we have cleaned up the chunk/reader/... infrastructure for better
-/// async use!
-///
-/// Ideally BufferedDynamicReader gets replaced so the LruCache maps to `BroadcastFuture<Chunk>`,
-/// so that we can properly access it from multiple threads simultaneously while not issuing
-/// duplicate simultaneous reads over http.
-#[derive(Clone)]
-pub struct LocalDynamicReadAt<R: ReadChunk> {
-    inner: Arc<Mutex<BufferedDynamicReader<R>>>,
-}
-
-impl<R: ReadChunk> LocalDynamicReadAt<R> {
-    pub fn new(inner: BufferedDynamicReader<R>) -> Self {
-        Self {
-            inner: Arc::new(Mutex::new(inner)),
-        }
-    }
-}
-
-impl<R: ReadChunk> ReadAt for LocalDynamicReadAt<R> {
-    fn start_read_at<'a>(
-        self: Pin<&'a Self>,
-        _cx: &mut Context,
-        buf: &'a mut [u8],
-        offset: u64,
-    ) -> MaybeReady<io::Result<usize>, ReadAtOperation<'a>> {
-        use std::io::Read;
-        MaybeReady::Ready(tokio::task::block_in_place(move || {
-            let mut reader = self.inner.lock().unwrap();
-            reader.seek(SeekFrom::Start(offset))?;
-            Ok(reader.read(buf)?)
-        }))
-    }
-
-    fn poll_complete<'a>(
-        self: Pin<&'a Self>,
-        _op: ReadAtOperation<'a>,
-    ) -> MaybeReady<io::Result<usize>, ReadAtOperation<'a>> {
-        panic!("LocalDynamicReadAt::start_read_at returned Pending");
-    }
-}
--- a/pbs-client/src/http_client.rs
+++ b/pbs-client/src/http_client.rs
@ -15,16 +15,16 @@ use percent_encoding::percent_encode;
 use xdg::BaseDirectories;

 use proxmox::{
-    api::error::HttpError,
    sys::linux::tty,
    tools::fs::{file_get_json, replace_file, CreateOptions},
 };
+use proxmox_router::HttpError;

-use proxmox_http::client::HttpsConnector;
+use proxmox_http::client::{HttpsConnector, RateLimiter};
 use proxmox_http::uri::build_authority;
+use proxmox_async::broadcast_future::BroadcastFuture;

-use pbs_api_types::{Authid, Userid};
-use pbs_tools::broadcast_future::BroadcastFuture;
+use pbs_api_types::{Authid, Userid, RateLimitConfig};
 use pbs_tools::json::json_object_to_query;
 use pbs_tools::ticket;
 use pbs_tools::percent_encoding::DEFAULT_ENCODE_SET;
@ -51,6 +51,7 @@ pub struct HttpClientOptions {
    ticket_cache: bool,
    fingerprint_cache: bool,
    verify_cert: bool,
+    limit: RateLimitConfig,
 }

 impl HttpClientOptions {
@ -109,6 +110,11 @@ impl HttpClientOptions {
        self.verify_cert = verify_cert;
        self
    }
+
+    pub fn rate_limit(mut self, rate_limit: RateLimitConfig) -> Self {
+        self.limit = rate_limit;
+        self
+    }
 }

 impl Default for HttpClientOptions {
@ -121,6 +127,7 @@ impl Default for HttpClientOptions {
            ticket_cache: false,
            fingerprint_cache: false,
            verify_cert: true,
+            limit: RateLimitConfig::default(), // unlimited
        }
    }
 }
@ -153,7 +160,7 @@ pub fn delete_ticket_info(prefix: &str, server: &str, username: &Userid) -> Resu
        map.remove(username.as_str());
    }

-    replace_file(path, data.to_string().as_bytes(), CreateOptions::new().perm(mode))?;
+    replace_file(path, data.to_string().as_bytes(), CreateOptions::new().perm(mode), false)?;

    Ok(())
 }
@ -195,7 +202,7 @@ fn store_fingerprint(prefix: &str, server: &str, fingerprint: &str) -> Result<()
    result.push_str(fingerprint);
    result.push('\n');

-    replace_file(path, result.as_bytes(), CreateOptions::new())?;
+    replace_file(path, result.as_bytes(), CreateOptions::new(), false)?;

    Ok(())
 }
@ -230,7 +237,7 @@ fn store_ticket_info(prefix: &str, server: &str, username: &str, ticket: &str, t

    let mut data = file_get_json(&path, Some(json!({})))?;

-    let now = proxmox::tools::time::epoch_i64();
+    let now = proxmox_time::epoch_i64();

    data[server][username] = json!({ "timestamp": now, "ticket": ticket, "token": token});

@ -250,7 +257,7 @@ fn store_ticket_info(prefix: &str, server: &str, username: &str, ticket: &str, t
        }
    }

-    replace_file(path, new_data.to_string().as_bytes(), CreateOptions::new().perm(mode))?;
+    replace_file(path, new_data.to_string().as_bytes(), CreateOptions::new().perm(mode), false)?;

    Ok(())
 }
@ -261,7 +268,7 @@ fn load_ticket_info(prefix: &str, server: &str, userid: &Userid) -> Option<(Stri
    // usually /run/user/<uid>/...
    let path = base.place_runtime_file("tickets").ok()?;
    let data = file_get_json(&path, None).ok()?;
-    let now = proxmox::tools::time::epoch_i64();
+    let now = proxmox_time::epoch_i64();
    let ticket_lifetime = ticket::TICKET_LIFETIME - 60;
    let uinfo = data[server][userid.as_str()].as_object()?;
    let timestamp = uinfo["timestamp"].as_i64()?;
@ -343,7 +350,21 @@ impl HttpClient {
        httpc.enforce_http(false); // we want https...

        httpc.set_connect_timeout(Some(std::time::Duration::new(10, 0)));
-        let https = HttpsConnector::with_connector(httpc, ssl_connector_builder.build(), PROXMOX_BACKUP_TCP_KEEPALIVE_TIME);
+        let mut https = HttpsConnector::with_connector(httpc, ssl_connector_builder.build(), PROXMOX_BACKUP_TCP_KEEPALIVE_TIME);
+
+        if let Some(rate_in) = options.limit.rate_in {
+            let burst_in = options.limit.burst_in.unwrap_or_else(|| rate_in).as_u64();
+            https.set_read_limiter(Some(Arc::new(Mutex::new(
+                RateLimiter::new(rate_in.as_u64(), burst_in)
+            ))));
+        }
+
+        if let Some(rate_out) = options.limit.rate_out {
+            let burst_out = options.limit.burst_out.unwrap_or_else(|| rate_out).as_u64();
+            https.set_write_limiter(Some(Arc::new(Mutex::new(
+                RateLimiter::new(rate_out.as_u64(), burst_out)
+            ))));
+        }

        let client = Client::builder()
        //.http2_initial_stream_window_size( (1 << 31) - 2)
--- a/pbs-client/src/lib.rs
+++ b/pbs-client/src/lib.rs
@ -3,15 +3,7 @@
 //! This library implements the client side to access the backups
 //! server using https.

-use anyhow::Error;
-
-use pbs_api_types::{Authid, Userid};
-use pbs_tools::ticket::Ticket;
-use pbs_tools::cert::CertInfo;
-use pbs_tools::auth::private_auth_key;
-
 pub mod catalog_shell;
-pub mod dynamic_index;
 pub mod pxar;
 pub mod tools;

@ -49,26 +41,3 @@ mod chunk_stream;
 pub use chunk_stream::{ChunkStream, FixedChunkStream};

 pub const PROXMOX_BACKUP_TCP_KEEPALIVE_TIME: u32 = 120;
-
-/// Connect to localhost:8007 as root@pam
-///
-/// This automatically creates a ticket if run as 'root' user.
-pub fn connect_to_localhost() -> Result<HttpClient, Error> {
-
-    let uid = nix::unistd::Uid::current();
-
-    let client = if uid.is_root()  {
-        let ticket = Ticket::new("PBS", Userid::root_userid())?
-            .sign(private_auth_key(), None)?;
-        let fingerprint = CertInfo::new()?.fingerprint()?;
-        let options = HttpClientOptions::new_non_interactive(ticket, Some(fingerprint));
-
-        HttpClient::new("localhost", 8007, Authid::root_auth_id(), options)?
-    } else {
-        let options = HttpClientOptions::new_interactive(None, None);
-
-        HttpClient::new("localhost", 8007, Authid::root_auth_id(), options)?
-    };
-
-    Ok(client)
-}
--- a/pbs-client/src/pxar/create.rs
+++ b/pbs-client/src/pxar/create.rs
@ -19,11 +19,11 @@ use pathpatterns::{MatchEntry, MatchFlag, MatchList, MatchType, PatternFlag};
 use pxar::Metadata;
 use pxar::encoder::{SeqWrite, LinkOffset};

-use proxmox::c_str;
 use proxmox::sys::error::SysError;
 use proxmox::tools::fd::RawFdNum;
-use proxmox::tools::vec;
 use proxmox::tools::fd::Fd;
+use proxmox_io::vec;
+use proxmox_lang::c_str;

 use pbs_datastore::catalog::BackupCatalogWriter;
 use pbs_tools::{acl, fs, xattr};
--- a/pbs-client/src/pxar/extract.rs
+++ b/pbs-client/src/pxar/extract.rs
@ -22,12 +22,10 @@ use pxar::format::Device;
 use pxar::{Entry, EntryKind, Metadata};

 use proxmox::c_result;
-use proxmox::tools::{
-    fs::{create_path, CreateOptions},
-    io::{sparse_copy, sparse_copy_async},
-};
+use proxmox::tools::fs::{create_path, CreateOptions};
+use proxmox_io::{sparse_copy, sparse_copy_async};

-use pbs_tools::zip::{ZipEncoder, ZipEntry};
+use proxmox_async::zip::{ZipEncoder, ZipEntry};

 use crate::pxar::dir_stack::PxarDirStack;
 use crate::pxar::metadata;
--- a/pbs-client/src/pxar/fuse.rs
+++ b/pbs-client/src/pxar/fuse.rs
@ -20,7 +20,7 @@ use futures::select;
 use futures::sink::SinkExt;
 use futures::stream::{StreamExt, TryStreamExt};

-use proxmox::tools::vec;
+use proxmox_io::vec;
 use pxar::accessor::{self, EntryRangeInfo, ReadAt};

 use proxmox_fuse::requests::{self, FuseRequest};
@ -344,7 +344,7 @@ impl SessionImpl {
                Err(err) => return self.handle_err(request, err, err_sender).await,
            },
            Request::Getattr(request) => match self.getattr(request.inode).await {
-                Ok(stat) => request.reply(&stat, std::f64::MAX).map_err(Error::from),
+                Ok(stat) => request.reply(&stat, f64::MAX).map_err(Error::from),
                Err(err) => return self.handle_err(request, err, err_sender).await,
            },
            Request::ReaddirPlus(mut request) => match self.readdirplus(&mut request).await {
@ -539,7 +539,7 @@ impl SessionImpl {
            let file = file?.decode_entry().await?;
            let stat = to_stat(to_inode(&file), &file)?;
            let name = file.file_name();
-            match request.add_entry(name, &stat, next, 1, std::f64::MAX, std::f64::MAX)? {
+            match request.add_entry(name, &stat, next, 1, f64::MAX, f64::MAX)? {
                ReplyBufState::Ok => (),
                ReplyBufState::Full => return Ok(lookups),
            }
@ -551,7 +551,7 @@ impl SessionImpl {
            let file = dir.lookup_self().await?;
            let stat = to_stat(to_inode(&file), &file)?;
            let name = OsStr::new(".");
-            match request.add_entry(name, &stat, next, 1, std::f64::MAX, std::f64::MAX)? {
+            match request.add_entry(name, &stat, next, 1, f64::MAX, f64::MAX)? {
                ReplyBufState::Ok => (),
                ReplyBufState::Full => return Ok(lookups),
            }
@ -565,7 +565,7 @@ impl SessionImpl {
            let file = parent_dir.lookup_self().await?;
            let stat = to_stat(to_inode(&file), &file)?;
            let name = OsStr::new("..");
-            match request.add_entry(name, &stat, next, 1, std::f64::MAX, std::f64::MAX)? {
+            match request.add_entry(name, &stat, next, 1, f64::MAX, f64::MAX)? {
                ReplyBufState::Ok => (),
                ReplyBufState::Full => return Ok(lookups),
            }
--- a/pbs-client/src/pxar/tools.rs
+++ b/pbs-client/src/pxar/tools.rs
@ -115,7 +115,7 @@ fn mode_string(entry: &Entry) -> String {
 }

 fn format_mtime(mtime: &StatxTimestamp) -> String {
-    if let Ok(s) = proxmox::tools::time::strftime_local("%Y-%m-%d %H:%M:%S", mtime.secs) {
+    if let Ok(s) = proxmox_time::strftime_local("%Y-%m-%d %H:%M:%S", mtime.secs) {
        return s;
    }
    format!("{}.{}", mtime.secs, mtime.nanos)
--- a/pbs-client/src/pxar_backup_stream.rs
+++ b/pbs-client/src/pxar_backup_stream.rs
@ -12,9 +12,10 @@ use nix::dir::Dir;
 use nix::fcntl::OFlag;
 use nix::sys::stat::Mode;

+use proxmox_async::blocking::TokioWriterAdapter;
+
 use pbs_datastore::catalog::CatalogWriter;
 use pbs_tools::sync::StdChannelWriter;
-use pbs_tools::tokio::TokioWriterAdapter;

 /// Stream implementation to encode and upload .pxar archives.
 ///
@ -111,7 +112,7 @@ impl Stream for PxarBackupStream {
            }
        }

-        match pbs_runtime::block_in_place(|| self.rx.as_ref().unwrap().recv()) {
+        match proxmox_async::runtime::block_in_place(|| self.rx.as_ref().unwrap().recv()) {
            Ok(data) => Poll::Ready(Some(data)),
            Err(_) => {
                let error = self.error.lock().unwrap();
--- a/pbs-client/src/remote_chunk_reader.rs
+++ b/pbs-client/src/remote_chunk_reader.rs
@ -5,12 +5,13 @@ use std::sync::{Arc, Mutex};

 use anyhow::{bail, Error};

+use proxmox_async::runtime::block_on;
+
 use pbs_tools::crypt_config::CryptConfig;
 use pbs_api_types::CryptMode;
 use pbs_datastore::data_blob::DataBlob;
 use pbs_datastore::read_chunk::ReadChunk;
 use pbs_datastore::read_chunk::AsyncReadChunk;
-use pbs_runtime::block_on;

 use super::BackupReader;

--- a/pbs-client/src/task_log.rs
+++ b/pbs-client/src/task_log.rs
@ -5,7 +5,7 @@ use serde_json::{json, Value};
 use tokio::signal::unix::{signal, SignalKind};
 use futures::*;

-use proxmox::api::cli::format_and_print_result;
+use proxmox_router::cli::format_and_print_result;

 use pbs_tools::percent_encoding::percent_encode_component;

--- a/pbs-client/src/tools/key_source.rs
+++ b/pbs-client/src/tools/key_source.rs
@ -6,9 +6,9 @@ use std::io::Read;
 use anyhow::{bail, format_err, Error};
 use serde_json::Value;

-use proxmox::api::schema::*;
 use proxmox::sys::linux::tty;
 use proxmox::tools::fs::file_get_contents;
+use proxmox_schema::*;

 use pbs_api_types::CryptMode;

@ -440,8 +440,8 @@ fn test_crypto_parameters_handling() -> Result<(), Error> {
        mode: CryptMode::SignOnly,
    };

-    replace_file(&keypath, &some_key, CreateOptions::default())?;
-    replace_file(&master_keypath, &some_master_key, CreateOptions::default())?;
+    replace_file(&keypath, &some_key, CreateOptions::default(), false)?;
+    replace_file(&master_keypath, &some_master_key, CreateOptions::default(), false)?;

    // no params, no default key == no key
    let res = crypto_parameters(&json!({}));
--- a/pbs-client/src/tools/mod.rs
+++ b/pbs-client/src/tools/mod.rs
@ -10,13 +10,11 @@ use anyhow::{bail, format_err, Context, Error};
 use serde_json::{json, Value};
 use xdg::BaseDirectories;

-use proxmox::{
-    api::schema::*,
-    api::cli::shellword_split,
-    tools::fs::file_get_json,
-};
+use proxmox_schema::*;
+use proxmox_router::cli::{complete_file_name, shellword_split};
+use proxmox::tools::fs::file_get_json;

-use pbs_api_types::{BACKUP_REPO_URL, Authid, UserWithTokens};
+use pbs_api_types::{BACKUP_REPO_URL, Authid, RateLimitConfig, UserWithTokens};
 use pbs_datastore::BackupDir;
 use pbs_tools::json::json_object_to_query;

@ -137,15 +135,30 @@ pub fn extract_repository_from_map(param: &HashMap<String, String>) -> Option<Ba
 }

 pub fn connect(repo: &BackupRepository) -> Result<HttpClient, Error> {
-    connect_do(repo.host(), repo.port(), repo.auth_id())
+    let rate_limit = RateLimitConfig::default(); // unlimited
+    connect_do(repo.host(), repo.port(), repo.auth_id(), rate_limit)
        .map_err(|err| format_err!("error building client for repository {} - {}", repo, err))
 }

-fn connect_do(server: &str, port: u16, auth_id: &Authid) -> Result<HttpClient, Error> {
+pub fn connect_rate_limited(
+    repo: &BackupRepository,
+    rate_limit: RateLimitConfig,
+) -> Result<HttpClient, Error> {
+    connect_do(repo.host(), repo.port(), repo.auth_id(), rate_limit)
+        .map_err(|err| format_err!("error building client for repository {} - {}", repo, err))
+}
+
+fn connect_do(
+    server: &str,
+    port: u16,
+    auth_id: &Authid,
+    rate_limit: RateLimitConfig,
+) -> Result<HttpClient, Error> {
    let fingerprint = std::env::var(ENV_VAR_PBS_FINGERPRINT).ok();

    let password = get_secret_from_env(ENV_VAR_PBS_PASSWORD)?;
-    let options = HttpClientOptions::new_interactive(password, fingerprint);
+    let options = HttpClientOptions::new_interactive(password, fingerprint)
+        .rate_limit(rate_limit);

    HttpClient::new(server, port, auth_id, options)
 }
@ -179,7 +192,7 @@ pub async fn try_get(repo: &BackupRepository, url: &str) -> Value {
 }

 pub fn complete_backup_group(_arg: &str, param: &HashMap<String, String>) -> Vec<String> {
-    pbs_runtime::main(async { complete_backup_group_do(param).await })
+    proxmox_async::runtime::main(async { complete_backup_group_do(param).await })
 }

 pub async fn complete_backup_group_do(param: &HashMap<String, String>) -> Vec<String> {
@ -209,7 +222,7 @@ pub async fn complete_backup_group_do(param: &HashMap<String, String>) -> Vec<St
 }

 pub fn complete_group_or_snapshot(arg: &str, param: &HashMap<String, String>) -> Vec<String> {
-    pbs_runtime::main(async { complete_group_or_snapshot_do(arg, param).await })
+    proxmox_async::runtime::main(async { complete_group_or_snapshot_do(arg, param).await })
 }

 pub async fn complete_group_or_snapshot_do(arg: &str, param: &HashMap<String, String>) -> Vec<String> {
@ -228,7 +241,7 @@ pub async fn complete_group_or_snapshot_do(arg: &str, param: &HashMap<String, St
 }

 pub fn complete_backup_snapshot(_arg: &str, param: &HashMap<String, String>) -> Vec<String> {
-    pbs_runtime::main(async { complete_backup_snapshot_do(param).await })
+    proxmox_async::runtime::main(async { complete_backup_snapshot_do(param).await })
 }

 pub async fn complete_backup_snapshot_do(param: &HashMap<String, String>) -> Vec<String> {
@ -260,7 +273,7 @@ pub async fn complete_backup_snapshot_do(param: &HashMap<String, String>) -> Vec
 }

 pub fn complete_server_file_name(_arg: &str, param: &HashMap<String, String>) -> Vec<String> {
-    pbs_runtime::main(async { complete_server_file_name_do(param).await })
+    proxmox_async::runtime::main(async { complete_server_file_name_do(param).await })
 }

 pub async fn complete_server_file_name_do(param: &HashMap<String, String>) -> Vec<String> {
@ -306,7 +319,7 @@ pub async fn complete_server_file_name_do(param: &HashMap<String, String>) -> Ve
 pub fn complete_archive_name(arg: &str, param: &HashMap<String, String>) -> Vec<String> {
    complete_server_file_name(arg, param)
        .iter()
-        .map(|v| pbs_tools::format::strip_server_file_extension(&v))
+        .map(|v| pbs_tools::format::strip_server_file_extension(&v).to_owned())
        .collect()
 }

@ -315,7 +328,7 @@ pub fn complete_pxar_archive_name(arg: &str, param: &HashMap<String, String>) ->
        .iter()
        .filter_map(|name| {
            if name.ends_with(".pxar.didx") {
-                Some(pbs_tools::format::strip_server_file_extension(name))
+                Some(pbs_tools::format::strip_server_file_extension(name).to_owned())
            } else {
                None
            }
@ -328,7 +341,7 @@ pub fn complete_img_archive_name(arg: &str, param: &HashMap<String, String>) ->
        .iter()
        .filter_map(|name| {
            if name.ends_with(".img.fidx") {
-                Some(pbs_tools::format::strip_server_file_extension(name))
+                Some(pbs_tools::format::strip_server_file_extension(name).to_owned())
            } else {
                None
            }
@ -351,7 +364,7 @@ pub fn complete_chunk_size(_arg: &str, _param: &HashMap<String, String>) -> Vec<
 }

 pub fn complete_auth_id(_arg: &str, param: &HashMap<String, String>) -> Vec<String> {
-    pbs_runtime::main(async { complete_auth_id_do(param).await })
+    proxmox_async::runtime::main(async { complete_auth_id_do(param).await })
 }

 pub async fn complete_auth_id_do(param: &HashMap<String, String>) -> Vec<String> {
@ -413,7 +426,7 @@ pub fn complete_backup_source(arg: &str, param: &HashMap<String, String>) -> Vec
        return result;
    }

-    let files = pbs_tools::fs::complete_file_name(data[1], param);
+    let files = complete_file_name(data[1], param);

    for file in files {
        result.push(format!("{}:{}", data[0], file));
--- a/pbs-client/src/vsock_client.rs
+++ b/pbs-client/src/vsock_client.rs
@ -13,7 +13,7 @@ use serde_json::Value;
 use tokio::io::{AsyncRead, AsyncWrite, AsyncWriteExt, ReadBuf};
 use tokio::net::UnixStream;

-use proxmox::api::error::HttpError;
+use proxmox_router::HttpError;

 pub const DEFAULT_VSOCK_PORT: u16 = 807;

--- a/pbs-config/Cargo.toml
+++ b/pbs-config/Cargo.toml
@ -6,17 +6,25 @@ edition = "2018"
 description = "Configuration file management for PBS"

 [dependencies]
-libc = "0.2"
 anyhow = "1.0"
+hex = "0.4.3"
 lazy_static = "1.4"
+libc = "0.2"
+nix = "0.19.1"
+once_cell = "1.3.1"
+openssl = "0.10"
+regex = "1.2"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-openssl = "0.10"
-nix = "0.19.1"
-regex = "1.2"
-once_cell = "1.3.1"

-proxmox = { version = "0.13.3", default-features = false, features = [ "cli" ] }
+proxmox = "0.15.3"
+proxmox-lang = "1"
+proxmox-router = { version = "1.1", default-features = false }
+proxmox-schema = "1"
+proxmox-section-config = "1"
+proxmox-time = "1"
+proxmox-shared-memory = "0.1.1"
+proxmox-sys = "0.1.2"

 pbs-api-types = { path = "../pbs-api-types" }
 pbs-buildcfg = { path = "../pbs-buildcfg" }
--- a/pbs-config/src/acl.rs
+++ b/pbs-config/src/acl.rs
@ -8,7 +8,7 @@ use anyhow::{bail, Error};

 use lazy_static::lazy_static;

-use proxmox::api::schema::{Schema, StringSchema, ApiStringFormat, ApiType};
+use proxmox_schema::{ApiStringFormat, ApiType, Schema, StringSchema};

 use pbs_api_types::{Authid, Userid, Role, ROLE_NAME_NO_ACCESS};

--- a/pbs-config/src/cached_user_info.rs
+++ b/pbs-config/src/cached_user_info.rs
@ -3,16 +3,16 @@
 use std::sync::{RwLock, Arc};

 use anyhow::{Error, bail};
-
-use proxmox::api::section_config::SectionConfigData;
 use lazy_static::lazy_static;
-use proxmox::api::UserInformation;
-use proxmox::tools::time::epoch_i64;
+
+use proxmox_router::UserInformation;
+use proxmox_section_config::SectionConfigData;
+use proxmox_time::epoch_i64;

 use pbs_api_types::{Authid, Userid, User, ApiToken, ROLE_ADMIN};

 use crate::acl::{AclTree, ROLE_NAMES};
-use crate::memcom::Memcom;
+use crate::ConfigVersionCache;

 /// Cache User/Group/Token/Acl configuration data for fast permission tests
 pub struct CachedUserInfo {
@ -38,8 +38,8 @@ impl CachedUserInfo {
    pub fn new() -> Result<Arc<Self>, Error> {
        let now = epoch_i64();

-        let memcom = Memcom::new()?;
-        let user_cache_generation = memcom.user_cache_generation();
+        let version_cache = ConfigVersionCache::new()?;
+        let user_cache_generation = version_cache.user_cache_generation();

        { // limit scope
            let cache = CACHED_CONFIG.read().unwrap();
--- a/pbs-config/src/config_version_cache.rs
+++ b/pbs-config/src/config_version_cache.rs
@ -0,0 +1,121 @@
+use std::path::Path;
+use std::sync::Arc;
+use std::sync::atomic::{AtomicUsize, Ordering};
+use std::mem::MaybeUninit;
+
+use anyhow::{bail, Error};
+use once_cell::sync::OnceCell;
+use nix::sys::stat::Mode;
+
+use proxmox::tools::fs::{create_path, CreateOptions};
+
+// openssl::sha::sha256(b"Proxmox Backup ConfigVersionCache v1.0")[0..8];
+pub const PROXMOX_BACKUP_CONFIG_VERSION_CACHE_MAGIC_1_0: [u8; 8] = [25, 198, 168, 230, 154, 132, 143, 131];
+
+const FILE_PATH: &str = pbs_buildcfg::rundir!("/shmem/config-versions");
+
+use proxmox_shared_memory::*;
+
+#[derive(Debug)]
+#[repr(C)]
+struct ConfigVersionCacheData {
+    magic: [u8; 8],
+    // User (user.cfg) cache generation/version.
+    user_cache_generation: AtomicUsize,
+    // Traffic control (traffic-control.cfg) generation/version.
+    traffic_control_generation: AtomicUsize,
+
+    // Add further atomics here (and reduce padding size)
+
+    padding: [u8; 4096 - 3*8],
+}
+
+
+impl Init for ConfigVersionCacheData {
+    fn initialize(this: &mut MaybeUninit<Self>) {
+        unsafe {
+            let me = &mut *this.as_mut_ptr();
+            me.magic = PROXMOX_BACKUP_CONFIG_VERSION_CACHE_MAGIC_1_0;
+        }
+    }
+
+    fn check_type_magic(this: &MaybeUninit<Self>) -> Result<(), Error> {
+        unsafe {
+            let me = &*this.as_ptr();
+            if me.magic != PROXMOX_BACKUP_CONFIG_VERSION_CACHE_MAGIC_1_0 {
+                bail!("ConfigVersionCache: wrong magic number");
+            }
+            Ok(())
+        }
+    }
+}
+
+
+pub struct ConfigVersionCache {
+    shmem: SharedMemory<ConfigVersionCacheData>
+}
+
+static INSTANCE: OnceCell<Arc< ConfigVersionCache>> = OnceCell::new();
+
+impl ConfigVersionCache {
+
+    /// Open the memory based communication channel singleton.
+    pub fn new() -> Result<Arc<Self>, Error> {
+        INSTANCE.get_or_try_init(Self::open).map(Arc::clone)
+    }
+
+    // Actual work of `new`:
+    fn open() -> Result<Arc<Self>, Error> {
+        let user = crate::backup_user()?;
+
+        let dir_opts = CreateOptions::new()
+            .perm(Mode::from_bits_truncate(0o770))
+            .owner(user.uid)
+            .group(user.gid);
+
+        let file_path = Path::new(FILE_PATH);
+        let dir_path = file_path.parent().unwrap();
+        
+        create_path(
+            dir_path,
+            Some(dir_opts.clone()),
+            Some(dir_opts))?;
+
+        let file_opts = CreateOptions::new()
+            .perm(Mode::from_bits_truncate(0o660))
+            .owner(user.uid)
+            .group(user.gid);
+
+        let shmem: SharedMemory<ConfigVersionCacheData> =
+            SharedMemory::open(file_path, file_opts)?;
+
+        Ok(Arc::new(Self { shmem }))
+    }
+
+    /// Returns the user cache generation number.
+    pub fn user_cache_generation(&self) -> usize {
+        self.shmem.data()
+            .user_cache_generation.load(Ordering::Acquire)
+    }
+
+    /// Increase the user cache generation number.
+    pub fn increase_user_cache_generation(&self) {
+        self.shmem.data()
+            .user_cache_generation
+            .fetch_add(1, Ordering::AcqRel);
+    }
+
+    /// Returns the traffic control generation number.
+    pub fn traffic_control_generation(&self) -> usize {
+        self.shmem.data()
+            .traffic_control_generation.load(Ordering::Acquire)
+    }
+
+    /// Increase the traffic control generation number.
+    pub fn increase_traffic_control_generation(&self) {
+        self.shmem.data()
+            .traffic_control_generation
+            .fetch_add(1, Ordering::AcqRel);
+    }
+
+}
--- a/Show More
+++ b/Show More