New Member
Apr 25, 2015
Proxmox community,

I'm having some troubles using the backup system (vzdump) with a remote location. Currently I'm trying to backup 5 virtual machines to my remote location. Two of them succeeded, three of them failed.

The errors are all the same 'vma_queue_write: write error - Broken pipe' with a similar error log:
100: Dec 25 03:13:01 INFO: status: 24% (25912344576/107374182400), sparse 18% (19691585536), duration 120, 2016/8 MB/s
100: Dec 25 03:13:18 INFO: status: 24% (26516389888/107374182400), sparse 18% (19692851200), duration 137, 35/35 MB/s
100: Dec 25 03:13:18 ERROR: vma_queue_write: write error - Broken pipe
100: Dec 25 03:13:18 INFO: aborting backup job
100: Dec 25 03:13:20 ERROR: Backup of VM 100 failed - vma_queue_write: write error - Broken pipe

This happens for all three failed backups.

I've tried to backup locally and copy them to the remote location once the backup was completed. This improved the backup success rate, but still failed at least one VM every backup cycle.

Since its rather important that the backups are being made, I sincerely hope some one is able to help me fixing this problem.

Output from the command 'pveversion';
pve-manager/4.1-2/78c5f4a2 (running kernel: 4.2.3-2-pve)

Thanks alot in advance!

Kind regards,
Maybe problem is with acccess to the storage if you use for example NFS do you have separate NIC for storage access. The Solve for me was a limit speed for vdump


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