vzdump

/etc/vzdump.conf

        tmpdir: DIR
        dumpdir: DIR
        storage: STORAGE_ID
        mode: snapshot|suspend|stop
        bwlimit: KBPS
        lockwait: MINUTES
        stopwait: MINUTES
        size: MB
        maxfiles: N
        script: FILENAME
       
       
--maxfiles N        maximal number of backup files per VM.
--dumpdir DIR   store resulting files in DIR

vzdump OPTIONS [--all | <VMID>]

--compress              compress dump file (gzip)
--stdexcludes           /var/log/.+   /tmp/.+     /var/tmp/.+    /var/run/.+pid

Configuration files are also stored inside the backup archive (/etc/vzdump)

Example:

# Simply dump

vzdump 1111

Use rsync and suspend/resume to create an snapshot (minimal downtime).

vzdump --suspend 777

Use LVM2 to create snapshots (no downtime).

vzdump --dumpdir /mnt/backup --snapshot 777

Stop and Start

vzdump --stop 1111

'/vz/dump/vzdump-openvz-1111-2011_11_01-17_27_09.tar'

VZDump does not save ACLs.

vzrestore

vzrestore <archive> <VMID>

Example:

vzrestore /mnt/backup/vzdump-openvz-777.tar 600