[SOLVED] Backup: vma_queue_write: write error

V

Valerio Pachera

Active Member
Aug 19, 2016
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Hi all, I have a host with a single guest.
I noticed the backup (snapshot) has failed:

Code: 
vzdump 100 --mailto xxxxxxxxxxxx --mode snapshot --mailnotification always --storage backup --quiet 1 --compress lzo


100: gen 15 08:39:05 INFO: Starting Backup of VM 100 (qemu)
100: gen 15 08:39:05 INFO: status = running
100: gen 15 08:39:09 INFO: update VM 100: -lock backup
100: gen 15 08:39:09 INFO: VM Name: mailstore
100: gen 15 08:39:09 INFO: include disk 'ide0' 'vm:vm-100-disk-1' 60G
100: gen 15 08:39:09 INFO: include disk 'virtio1' 'vm:vm-100-disk-2' 80G
100: gen 15 08:39:10 INFO: backup mode: snapshot
100: gen 15 08:39:10 INFO: ionice priority: 7
100: gen 15 08:39:10 INFO: creating archive '/mnt/backup/dump/vzdump-qemu-100-2018_01_15-08_39_05.vma.lzo'
100: gen 15 08:39:10 INFO: started backup task '6b841eec-450a-4ddb-9814-0e980ccbc196'
100: gen 15 08:39:13 INFO: status: 0% (175636480/150323855360), sparse 0% (85606400), duration 3, 58/30 MB/s
100: gen 15 08:39:44 INFO: status: 1% (1511325696/150323855360), sparse 0% (107745280), duration 34, 43/42 MB/s
100: gen 15 08:40:16 INFO: status: 2% (3044671488/150323855360), sparse 0% (131506176), duration 66, 47/47 MB/s
100: gen 15 08:40:50 INFO: status: 3% (4524802048/150323855360), sparse 0% (147390464), duration 100, 43/43 MB/s
100: gen 15 08:41:29 INFO: status: 4% (6031409152/150323855360), sparse 0% (161599488), duration 139, 38/38 MB/s
100: gen 15 08:41:56 INFO: status: 4% (6876168192/150323855360), sparse 0% (167333888), duration 166, 31/31 MB/s
100: gen 15 08:41:56 ERROR: vma_queue_write: write error - Broken pipe
100: gen 15 08:41:56 INFO: aborting backup job
100: gen 15 08:42:00 ERROR: Backup of VM 100 failed - vma_queue_write: write error - Broken pipe

What may cause vma_queue_write error?

pve-manager/4.4-21/e0dadcf8 (running kernel: 4.4.98-3-pve)

Note: the backup saves on the same physical disk, on another partition, mounted on /mnt/backup.

Thank you.
 
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