Create backup.
-`<vmid>` `string` ::
+`<vmid>`: `<string>` ::
The ID of the guest system you want to backup.
-`-all` `boolean` (default=`0`)::
+`--all` `<boolean>` ('default =' `0`)::
Backup all known guest systems on this host.
-`-bwlimit` `integer (0 - N)` (default=`0`)::
+`--bwlimit` `<integer> (0 - N)` ('default =' `0`)::
Limit I/O bandwidth (KBytes per second).
-`-compress` `(0 | 1 | gzip | lzo)` (default=`0`)::
+`--compress` `<0 | 1 | gzip | lzo | zstd>` ('default =' `0`)::
Compress dump file.
-`-dumpdir` `string` ::
+`--dumpdir` `<string>` ::
Store resulting files to specified directory.
-`-exclude` `string` ::
+`--exclude` `<string>` ::
Exclude specified guest systems (assumes --all)
-`-exclude-path` `string` ::
+`--exclude-path` `<string>` ::
-Exclude certain files/directories (shell globs).
+Exclude certain files/directories (shell globs). Paths starting with '/' are anchored to the container's root, other paths match relative to each subdirectory.
-`-ionice` `integer (0 - 8)` (default=`7`)::
+`--ionice` `<integer> (0 - 8)` ('default =' `7`)::
Set CFQ ionice priority.
-`-lockwait` `integer (0 - N)` (default=`180`)::
+`--lockwait` `<integer> (0 - N)` ('default =' `180`)::
Maximal time to wait for the global lock (minutes).
-`-mailnotification` `(always | failure)` (default=`always`)::
+`--mailnotification` `<always | failure>` ('default =' `always`)::
Specify when to send an email
-`-mailto` `string` ::
+`--mailto` `<string>` ::
-Comma-separated list of email addresses that should receive email notifications.
+Comma-separated list of email addresses or users that should receive email notifications.
-`-maxfiles` `integer (1 - N)` (default=`1`)::
+`--maxfiles` `<integer> (1 - N)` ::
-Maximal number of backup files per guest system.
+Deprecated: use 'prune-backups' instead. Maximal number of backup files per guest system.
-`-mode` `(snapshot | stop | suspend)` (default=`snapshot`)::
+`--mode` `<snapshot | stop | suspend>` ('default =' `snapshot`)::
Backup mode.
-`-node` `string` ::
+`--node` `<string>` ::
Only run if executed on this node.
-`-pigz` `integer` (default=`0`)::
+`--notes-template` `<string>` ::
+
+Template string for generating notes for the backup(s). It can contain variables which will be replaced by their values. Currently supported are \{\{cluster\}\}, \{\{guestname\}\}, \{\{node\}\}, and \{\{vmid\}\}, but more might be added in the future. Needs to be a single line, newline and backslash need to be escaped as '\n' and '\\' respectively.
++
+NOTE: Requires option(s): `storage`
+
+`--performance` `[max-workers=<integer>]` ::
+
+Other performance-related settings.
+
+`--pigz` `<integer>` ('default =' `0`)::
Use pigz instead of gzip when N>0. N=1 uses half of cores, N>1 uses N as thread count.
-`-quiet` `boolean` (default=`0`)::
+`--pool` `<string>` ::
-Be quiet.
+Backup all known guest systems included in the specified pool.
-`-remove` `boolean` (default=`1`)::
+`--protected` `<boolean>` ::
-Remove old backup files if there are more than 'maxfiles' backup files.
+If true, mark backup(s) as protected.
++
+NOTE: Requires option(s): `storage`
-`-script` `string` ::
+`--prune-backups` `[keep-all=<1|0>] [,keep-daily=<N>] [,keep-hourly=<N>] [,keep-last=<N>] [,keep-monthly=<N>] [,keep-weekly=<N>] [,keep-yearly=<N>]` ('default =' `keep-all=1`)::
-Use specified hook script.
+Use these retention options instead of those from the storage configuration.
+
+`--quiet` `<boolean>` ('default =' `0`)::
-`-size` `integer (500 - N)` (default=`1024`)::
+Be quiet.
+
+`--remove` `<boolean>` ('default =' `1`)::
-Unused, will be removed in a future release.
+Prune older backups according to 'prune-backups'.
-`-stdexcludes` `boolean` (default=`1`)::
+`--script` `<string>` ::
+
+Use specified hook script.
+
+`--stdexcludes` `<boolean>` ('default =' `1`)::
Exclude temporary files and logs.
-`-stdout` `boolean` ::
+`--stdout` `<boolean>` ::
Write tar to stdout, not to a file.
-`-stop` `boolean` (default=`0`)::
+`--stop` `<boolean>` ('default =' `0`)::
-Stop runnig backup jobs on this host.
+Stop running backup jobs on this host.
-`-stopwait` `integer (0 - N)` (default=`10`)::
+`--stopwait` `<integer> (0 - N)` ('default =' `10`)::
Maximal time to wait until a guest system is stopped (minutes).
-`-storage` `string` ::
+`--storage` `<string>` ::
Store resulting file to this storage.
-`-tmpdir` `string` ::
+`--tmpdir` `<string>` ::
Store temporary files to specified directory.
+`--zstd` `<integer>` ('default =' `1`)::
+
+Zstd threads. N=0 uses half of the available cores, N>0 uses N as thread count.
+