Setting global/locking_type to 1
      File-based locking selected.
      Setting global/locking_dir to /var/lock/lvm
      Locking /var/lock/lvm/P_global WB
    Wiping cache of LVM-capable devices
    Wiping internal VG cache
    Walking through all physical volumes
  No matching physical volumes found
      Unlocking /var/lock/lvm/P_global