====== LVM ======

===== resize LVM-thin =====
  * ''pvs''
  * ''vgs''
  * ''lvs''
  * use cfdisk to resize partition where PV is located
  * ''pvresize /dev/sda3''
  * check with ''pvdisplay'' that new size is correct
  * ''lvextend -l 100%FREE pve/data'' or ''lvextend -L +20G pve/data''