fix #3884: Add section for kernel samepage merging

[pve-docs.git] / vzdump.1-synopsis.adoc

*vzdump* `help`

*vzdump* `{<vmid>}` `[OPTIONS]`

Create backup.

`<vmid>`: `<string>` ::

The ID of the guest system you want to backup.

`--all` `<boolean>` ('default =' `0`)::

Backup all known guest systems on this host.

`--bwlimit` `<integer> (0 - N)` ('default =' `0`)::

Limit I/O bandwidth (KBytes per second).

`--compress` `<0 | 1 | gzip | lzo | zstd>` ('default =' `0`)::

Compress dump file.

`--dumpdir` `<string>` ::

Store resulting files to specified directory.

`--exclude` `<string>` ::

Exclude specified guest systems (assumes --all)

`--exclude-path` `<string>` ::

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.

`--lockwait` `<integer> (0 - N)` ('default =' `180`)::

Maximal time to wait for the global lock (minutes).

`--mailnotification` `<always | failure>` ('default =' `always`)::

Specify when to send an email

`--mailto` `<string>` ::

Comma-separated list of email addresses or users that should receive email notifications.

`--maxfiles` `<integer> (1 - N)` ::

Deprecated: use 'prune-backups' instead. Maximal number of backup files per guest system.

`--mode` `<snapshot | stop | suspend>` ('default =' `snapshot`)::

Backup mode.

`--node` `<string>` ::

Only run if executed on this node.

`--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.

`--pool` `<string>` ::

Backup all known guest systems included in the specified pool.

`--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`)::

Prune older backups according to 'prune-backups'.

`--script` `<string>` ::

Use specified hook script.

`--stdexcludes` `<boolean>` ('default =' `1`)::

Exclude temporary files and logs.

`--stdout` `<boolean>` ::

Write tar to stdout, not to a file.

`--stop` `<boolean>` ('default =' `0`)::

Stop running backup jobs on this host.

`--stopwait` `<integer> (0 - N)` ('default =' `10`)::

Maximal time to wait until a guest system is stopped (minutes).

`--storage` `<string>` ::

Store resulting file to this storage.

`--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.