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docs: zfs: update documentation about ZED 

This closely follows commit aa425868069818167ff0a3cca5c64a2acc88173e
in pve-docs.

Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
This commit is contained in:
Stoiko Ivanov 2022-05-11 14:06:35 +00:00 committed by Thomas Lamprecht
parent 0ae5f76277
commit 5225817de6
1 changed files with 8 additions and 13 deletions
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21
docs/local-zfs.rst
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@ -211,27 +211,22 @@ Usually `grub.cfg` is located in `/boot/grub/grub.cfg`
Activate e-mail notification
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ZFS comes with an event daemon, which monitors events generated by the
ZFS kernel module. The daemon can also send emails on ZFS events like
pool errors. Newer ZFS packages ship the daemon in a separate package,
and you can install it using `apt-get`:
ZFS comes with an event daemon ``ZED``, which monitors events generated by the
ZFS kernel module. The daemon can also send emails on ZFS events like pool
errors. Newer ZFS packages ship the daemon in a separate package ``zfs-zed``,
which should already be installed by default in `Proxmox Backup`_.
.. code-block:: console
# apt-get install zfs-zed
To activate the daemon, it is necessary to to uncomment the ZED_EMAIL_ADDR
setting, in the file `/etc/zfs/zed.d/zed.rc`.
You can configure the daemon via the file ``/etc/zfs/zed.d/zed.rc`` with your
favorite editor. The required setting for email notfication is
``ZED_EMAIL_ADDR``, which is set to ``root`` by default.
.. code-block:: console
ZED_EMAIL_ADDR="root"
Please note that 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
^^^^^^^^^^^^^^^^^^^^^^