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docs/administration-guide.rst: improve section "Creating Backups"

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Dietmar Maurer 2019-12-03 11:59:00 +01:00
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docs/administration-guide.rst
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@ -72,18 +72,18 @@ Backup Type
The backup server groups backups by *type*, where *type* is one of:
``vm``
This type is use for :term:`virtual machine`\ s. Typically
This type is used for :term:`virtual machine`\ s. Typically
contains the virtual machine configuration and an image archive
for each disk.
``ct``
This type is use for :term:`container`\ s. Contains the container
This type is used for :term:`container`\ s. Contains the container
configuration and a single file archive for the container content.
``host``
This type is used for physical host, or if you want to run backup
manually from inside virtual machines or containers. Such backup
may contains file and image archives (no restrictions here).
This type is used for physical host, or if you want to run backups
manually from inside virtual machines or containers. Such backups
may contain file and image archives (no restrictions here).
Backup ID
@ -173,6 +173,7 @@ Backup Client usage
The command line client is called :command:`proxmox-backup-client`.
Respository Locations
~~~~~~~~~~~~~~~~~~~~~
@ -208,6 +209,74 @@ Environment Variables
Creating Backups
~~~~~~~~~~~~~~~~
This section explains how to create backup on physical host, or from
inside virtual machines or containers. Such backups may contain file
and image archives (no restrictions here).
.. note:: If you want to backup virtual machines or containers see :ref:`pve-integration`.
The prerequisite is that you have already set up (or can access) a
backup server. It is assumed that you know the repository name and
credentials. In the following examples we simply use ``backup-server:store1``.
.. code-block:: console
# proxmox-backup-client backup root.pxar:/ --repository backup-server:store1
Starting backup: host/elsa/2019-12-03T09:35:01Z
Client name: elsa
skip mount point: "/boot/efi"
skip mount point: "/dev"
skip mount point: "/run"
skip mount point: "/sys"
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
``root.pxar`` containing all the files in the ``/`` directory.
.. Caution:: Please note that proxmox-backup-client does not
automatically include mount points. Insted, you will see a short
``skip mount point`` notice for each of them. The idea is that you
create a separate file archive for each mounted disk. You can also
explicitly include them using the ``--include-dev`` option
(i.e. ``--include-dev /boot/efi``). You can use this option
multiple times, once for each mount point you want to include.
The ``--repository`` option is sometimes quite long and is used by all
commands. You can avoid having to enter this value by setting the
environment variable ``PBS_REPOSITORY``.
.. code-block:: console
# export PBS_REPOSTORY=backup-server:store1
You can then execute all commands without specifying the ``--repository``
option.
One signle backup is allowed to contain more than one archive. For example, assume you want to backup two disks mounted at ``/mmt/disk1`` and ``/mnt/disk2``:
.. code-block:: console
# proxmox-backup-client backup disk1.pxar:/mnt/disk1 disk2.pxar:/mnt/disk2
This create a backup of both disks.
The backup command takes a list of backup specifications, which
include archive name on the server, the type of the archive, and the
archive source at the client. The format is quite simple to understand:
<archive-name>.<type>:<source-path>
Common types are ``.pxar`` for file archives, and ``.img`` for block
device images. Thus it is quite easy to create a backup for a block
device:
.. code-block:: console
# proxmox-backup-client backup mydata.img:/dev/mylvm/mydata
Encryption
^^^^^^^^^^
@ -217,6 +286,8 @@ Restoring Data
~~~~~~~~~~~~~~
.. _pve-integration:
`Proxmox VE`_ integration
-------------------------