ERROR: Backup of VM 721 failed - no such volume 'local-lvm:vm-721-disk-1'

[hmelgers]

Hello all,

I keep getting these annoying errors when running a backup voor all vm's in proxmox. I've searched on the forum but i couldn't find a real solution for the problem.
This machine has been running without issues for months, then suddenly these errors started to show up for some vm's. The Proxmox needed an update so i updated to the latest 6.3 last week, ran the backup again and this one time without errors. Now the errors start showing up again.

721: 2021-03-20 04:16:27 INFO: Starting Backup of VM 721 (qemu)
721: 2021-03-20 04:16:27 INFO: status = running
721: 2021-03-20 04:16:27 INFO: VM Name: mmgmt2
721: 2021-03-20 04:16:27 INFO: include disk 'virtio0' 'local-lvm:vm-721-disk-0' 200G
721: 2021-03-20 04:16:27 INFO: include disk 'virtio1' 'local-lvm:vm-721-disk-1' 250G
721: 2021-03-20 04:16:42 ERROR: Backup of VM 721 failed - no such volume 'local-lvm:vm-721-disk-1'

726: 2021-03-20 04:16:42 INFO: Starting Backup of VM 726 (qemu)
726: 2021-03-20 04:16:42 INFO: status = running
726: 2021-03-20 04:16:42 INFO: VM Name: strobe2
726: 2021-03-20 04:16:42 INFO: include disk 'virtio0' 'local-lvm:vm-726-disk-0' 32G
726: 2021-03-20 04:16:57 ERROR: Backup of VM 726 failed - no such volume 'local-lvm:vm-726-disk-0'

- the vm's are running without problems so the disk is there
- it's only happening for a few vm's and in my case always the same vm's
- all other vm's backup fine and are using the same local-lvm
- the volume is a raid10 with LSI controller
- manual backup also fails
- making a new backup job doesn't solve it either



Any possible solutions/causes someone ?

 

[hmelgers]

Could it be some timeout setting ? I notice both messages follow 15 seconds after starting the backup job