`--bwlimit` `<integer> (0 - N)` ('default =' `0`)::
-Limit I/O bandwidth (KBytes per second).
+Limit I/O bandwidth (in KiB/s).
-`--compress` `<0 | 1 | gzip | lzo>` ('default =' `0`)::
+`--compress` `<0 | 1 | gzip | lzo | zstd>` ('default =' `0`)::
Compress dump file.
Exclude specified guest systems (assumes --all)
-`--exclude-path` `<string>` ::
+`--exclude-path` `<array>` ::
-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`)::
-Set CFQ ionice priority.
+Set IO priority when using the BFQ scheduler. For snapshot and suspend mode backups of VMs, this only affects the compressor. A value of 8 means the idle priority is used, otherwise the best-effort priority is used with the specified value.
`--lockwait` `<integer> (0 - N)` ('default =' `180`)::
`--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`)::
Only run if executed on this node.
+`--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.
Backup all known guest systems included in the specified pool.
+`--protected` `<boolean>` ::
+
+If true, mark backup(s) as protected.
++
+NOTE: Requires option(s): `storage`
+
+`--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 these retention options instead of those from the storage configuration.
+
`--quiet` `<boolean>` ('default =' `0`)::
Be quiet.
`--remove` `<boolean>` ('default =' `1`)::
-Remove old backup files if there are more than 'maxfiles' backup files.
+Prune older backups according to 'prune-backups'.
`--script` `<string>` ::
Use specified hook script.
-`--size` `<integer> (500 - N)` ('default =' `1024`)::
-
-Unused, will be removed in a future release.
-
`--stdexcludes` `<boolean>` ('default =' `1`)::
Exclude temporary files and logs.
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.
+