Backup isnt working - whats wrong?


May 17, 2012

I dont understand why isnt backup on my server with Promox working.
I set for backup "local" storage.

I tried it twice with same error. How can I fix it?
Thank you for your help... ;)

There is backup log:
[COLOR=#000000][FONT=tahoma]INFO: starting new backup job: vzdump 100 --remove 0 --mode snapshot --compress gzip --storage local --node ns399351[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Starting Backup of VM 100 (openvz)[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: CTID 100 exist mounted running[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: status = running[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: mode failure - unable to dump into snapshot (use option --dumpdir)[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: trying 'suspend' mode instead[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: backup mode: suspend[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: ionice priority: 7[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: starting first sync /var/lib/vz/private/100/ to /var/lib/vz/dump/vzdump-openvz-100-2012_05_16-23_34_47.tmp[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Number of files: 934309[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Number of files transferred: 887334[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Total file size: 56188128140 bytes[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Total transferred file size: 56076105861 bytes[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Literal data: 56076333767 bytes[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Matched data: 0 bytes[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: File list size: 21838900[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: File list generation time: 0.001 seconds[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: File list transfer time: 0.000 seconds[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Total bytes sent: 56142636235[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Total bytes received: 17061407[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: sent 56142636235 bytes  received 17061407 bytes  4998860.44 bytes/sec[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: total size is 56188128140  speedup is 1.00[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: first sync finished (11234 seconds)[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: suspend vm[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Setting up checkpoint...[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: 	suspend...[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Can not suspend container: Device or resource busy[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Error: task 692906/1298(ntpd) uses posix timers[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Checkpointing failed[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]ERROR: Backup of VM 100 failed - command 'vzctl --skiplock chkpnt 100 --suspend' failed: exit code 16[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]INFO: Backup job finished with errors[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]TASK ERROR: job errors[/FONT][/COLOR]


Proxmox Staff Member
Staff member
Aug 29, 2006
you cannot dump into the snapshot.

use another backup dir. search the forum, this issue is discussed several times already.


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