Add disk space to proxmox vm

Notes

> sudo fdisk /dev/sdb
  > g (create gpt partition table)
  > n (create new partition)
  > w
> sudo pvcreate /dev/sdb1
> sudo vgcreate vgpool /dev/sdb1
> sudo lvcreate -L 49G -n logicalvolume vgpool
> sudo mkfs -t ext4 /dev/vgpool/logicalvolume 

References