Hello,
I have a question regarding a problem I encounter when running backups
with PBS.
*Context*:
A cluster of 9 Proxmox nodes running 84 VM, and backing up to a remote PBS
*Versions*:
pve-manager/6.4-13/9f411e79 (running kernel: 5.4.128-1-pve) with
proxmox-backup-client 1.1.12-1
proxmox-backup-server 2.0.10-1 running version: 2.0.9
*Problem*:
Regularly, some of my VMs (3 regularly, and others randomly - or I have
not yet determined the common factor -) will fail their backup with the
following error (example of a regular failing one, but similar message
for all the failed backups):
/ERROR: Backup of VM 297 failed - VM 297 qmp command 'backup' failed -
backup connect failed: command error: unable to acquire lock on snapshot
directory "/mnt/inf-proxmox-bkp/PBS-STORAGE/vm/297/2021-09-29T10:01:43Z"
- base snapshot is already locked by another operation/
Any pointers as to where I could look for the source of this problem?
Best regards,
Stephane
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