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backup: merge sections describing jobs

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keeping a short intro referring to the full section at the beginning.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
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Fiona Ebner 2022-10-03 15:52:10 +02:00 committed by Wolfgang Bumiller
parent 17125f65de
commit 7f938fdb2b
1 changed files with 12 additions and 14 deletions
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vzdump.adoc
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@ -48,19 +48,9 @@ drive, for off-site archiving.
.Scheduled Backup .Scheduled Backup
Backup jobs can be scheduled so that they are executed automatically Backup jobs can be scheduled so that they are executed automatically on specific
on specific days and times, for selectable nodes and guest systems. days and times, for selectable nodes and guest systems. See the
Configuration of scheduled backups is done at the Datacenter level in xref:vzdump_jobs[Backup Jobs] section for more.
the GUI, which will generate a job entry in /etc/pve/jobs.cfg, which
will in turn be parsed and executed by the `pvescheduler` daemon.
These jobs use the xref:chapter_calendar_events[calendar events] for
defining the schedule.
Since scheduled backups miss their execution when the host was offline or the
pvescheduler was disabled during the scheduled time, it is possible to configure
the behaviour for catching up. By enabling the `Repeat missed` option
(`repeat-missed` in the config), you can tell the scheduler that it should run
missed jobs as soon as possible.
Backup Modes Backup Modes
------------ ------------
@ -196,13 +186,15 @@ Backup Encryption
For Proxmox Backup Server storages, you can optionally set up client-side For Proxmox Backup Server storages, you can optionally set up client-side
encryption of backups, see xref:storage_pbs_encryption[the corresponding section.] encryption of backups, see xref:storage_pbs_encryption[the corresponding section.]
[[vzdump_jobs]]
Backup Jobs Backup Jobs
----------- -----------
Besides triggering a backup manually, you can also setup periodic jobs that Besides triggering a backup manually, you can also setup periodic jobs that
backup all, or a selection of virtual guest to a storage. You can manage the backup all, or a selection of virtual guest to a storage. You can manage the
jobs in the UI under 'Datacenter' -> 'Backup' or via the `/cluster/backup` API jobs in the UI under 'Datacenter' -> 'Backup' or via the `/cluster/backup` API
endpoint. endpoint. Both will generate job entries in `/etc/pve/jobs.cfg`, which are
parsed and executed by the `pvescheduler` daemon.
A job is either configured for all cluster nodes or a specific node, and is A job is either configured for all cluster nodes or a specific node, and is
executed according to a given schedule. The format for the schedule is very executed according to a given schedule. The format for the schedule is very
@ -216,6 +208,12 @@ overriding those from the storage or node configuration, as well as a
xref:vzdump_notes[template for notes] for additional information to be saved xref:vzdump_notes[template for notes] for additional information to be saved
together with the backup. together with the backup.
Since scheduled backups miss their execution when the host was offline or the
pvescheduler was disabled during the scheduled time, it is possible to configure
the behaviour for catching up. By enabling the `Repeat missed` option
(`repeat-missed` in the config), you can tell the scheduler that it should run
missed jobs as soon as possible.
There are a few settings for tuning backup performance not exposed in the UI. There are a few settings for tuning backup performance not exposed in the UI.
The most notable is `bwlimit` for limiting IO bandwidth. The amount of threads The most notable is `bwlimit` for limiting IO bandwidth. The amount of threads
used for the compressor can be controlled with the `pigz` (replacing `gzip`), used for the compressor can be controlled with the `pigz` (replacing `gzip`),