resize vm volume (step by step)
> fdisk -l (see extended volume size)
> df -h (see motadata path)
> lsblk (see vg
> vgdisplay (see Free PE / size should not be 0)
> lvextend -l +100%FREE /dev/vg0/motadata (command to extend)
> pvdisplay (see Free PE)
>pvresize /dev/sdxx (to add free to PV Size)
> sudo btrfs filesystem resize max /