[pve-devel] hanging backup tasks / vzdump

[Stefan Priebe - Profihost AG]

manuel execution of vzdump looks like this:

# vzdump 201 --compress 0 --storage pxebackups --mode stop --node
expo-office-node1
INFO: starting new backup job: vzdump 201 --mode stop --compress 0
--node expo-office-node1 --storage pxebackups
INFO: Starting Backup of VM 201 (qemu)
INFO: status = running
INFO: update VM 201: -lock backup
INFO: backup mode: stop
INFO: ionice priority: 7
INFO: stopping vm
INFO: creating archive
'/vmbackup-node1/pxebackups/dump/vzdump-qemu-201-2014_06_19-16_52_08.vma'
INFO: starting kvm to execute backup task
INFO: started backup task 'b42ab485-2ee5-408d-b963-807f81f5ab39'
INFO: resume VM
INFO: status: 0% (3801088/10737418240), sparse 0% (1060864), duration 1,
3/2 MB/s
ERROR: vma_queue_write: write error - Invalid argument
INFO: aborting backup job
INFO: vm is online again after 20 seconds
ERROR: Backup of VM 201 failed - vma_queue_write: write error - Invalid
argument
INFO: Backup job finished with errors
job errors


Stefan

Am 19.06.2014 16:41, schrieb Stefan Priebe - Profihost AG:
> Hello,
> 
> on my test system i'm using lvm instead of ceph. I see pretty often that
> backups hang at 0%.
> 
> Is this is known bug?
> 
> 
> Output of the backup task is:
> -------------------------------------------------
> INFO: starting new backup job: vzdump 200 --compress 0 --storage
> pxebackups --node testnode
> INFO: Starting Backup of VM 200 (qemu)
> INFO: status = stopped
> INFO: update VM 200: -lock backup
> INFO: backup mode: stop
> INFO: ionice priority: 7
> INFO: creating archive
> '/vmbackup/pxebackups/dump/vzdump-qemu-200-2014_06_19-16_36_35.vma'
> INFO: starting kvm to execute backup task
> INFO: started backup task '701df049-5ea0-482a-8a7d-11a494a703f8'
> INFO: status: 0% (1441792/10737418240), sparse 0% (1060864), duration 3,
> 0/0 MB/s
> ---------------------------------------------------
> 
> Nothing more happens even after some days.
> 
> Stefan
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