I noticed the following error in bold when doing backups on a proxmox 2.1 server.
vzdump 101 100 --quiet 1 --mode snapshot --compress lzo --storage backups
101: Oct 07 01:00:01 INFO: Starting Backup of VM 101 (qemu)
101: Oct 07 01:00:01 INFO: status = running
101: Oct 07 01:00:02 INFO: backup...