unable to acquire lock on snapshot directory - locked by another operation

Hi,

We have three PBS servers for our PVE, two on-site and one off-site.

All PVE backup to the same on-site PBS earch night, about 250 VMs and 60 TiB datastore

Then a remote sync job is launched both the on the second on-site PBS and a bit later on the off-site one.

So we're following the recommended architecture described in this thread:

https://forum.proxmox.com/threads/process-a-second-backup-or-sync-the-first.139132/

However about once per month one of the remote sync fails...

Read more