I am trying to make a snapshot with this command: virsh snapshot-create vm01 --disk-only --atomic the error is: error: operation failed: Failed to take snapshot: unknown command: 'snapshot_blkdev the error come from the --disk-only argument Did tried to google on the subject but no solid information on the matter. Thanks in advance Regards Rudi -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20121028/4b5b0646/attachment-0005.html>