@dietmar, I was wondering why some people have this structure of disks:
sda 8:0 0 447,1G 0 disk
├─sda1 8:1 0 19,5G 0 part /
├─sda2 8:2 0 1023M 0 part [SWAP]
├─sda3 8:3 0 1K 0 part
└─sda5 8:5 0 426,6G 0 part
└─pve-data 251:0 0 422,6G 0 lvm /var/lib/vz
sdb 8:16 0 447,1G 0 disk
loop0 7:0 0 8G 0...