disk files

Hi, 2 days ago my server had a problem: it had no more space left and therefore the panel no longer wanted to work so I decided to make a backup by hand by copying the .raw of my containers and then reinstalling proxmox on the other disk of my server and put my containers back on it. But it...

I have a Proxmox cluster, running V7 and V6 versions (am upgrading one machine at a time). On all the machines, regardless of version, the VM data disk files do not show up at all using the normal Linux file commands like ls and df. Is this expected behaviour or do we have a weird fault...