Backup mode.
+`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.
++
+NOTE: Requires option(s): `storage`
+
`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.