root@ubuntu:/mnt# vgdisplay -v
    Finding all volume groups
    Finding volume group "LVG"
    Fixing up missing size (74.53 GiB) for PV /dev/sdb1
    Fixing up missing size (74.53 GiB) for PV /dev/dm-1
    Fixing up missing size (74.53 GiB) for PV /dev/sdb1
    Fixing up missing size (74.53 GiB) for PV /dev/dm-1
  --- Volume group ---
  VG Name               LVG
  System ID
  Format                lvm2
  Metadata Areas        2
  Metadata Sequence No  3
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                2
  Open LV               0
  Max PV                0
  Cur PV                2
  Act PV                2
  VG Size               149.05 GiB
  PE Size               4.00 MiB
  Total PE              38158
  Alloc PE / Size       38158 / 149.05 GiB
  Free  PE / Size       0 / 0
  VG UUID               6gnDMw-IfrI-ZrPQ-3MAx-Uae2-wiv3-6UxAB5

  --- Logical volume ---
  LV Name                /dev/LVG/SWAP_VOL
  VG Name                LVG
  LV UUID                sL3w7S-007j-H0KL-Y6xN-RMl0-nwVi-afd2jF
  LV Write Access        read/write
  LV Status              available
  # open                 0
  LV Size                8.00 GiB
  Current LE             2048
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0

  --- Logical volume ---
  LV Name                /dev/LVG/ROOT_VOL
  VG Name                LVG
  LV UUID                aIP0kV-NMpe-1015-ia7C-10dB-prnm-RiGRS3
  LV Write Access        read/write
  LV Status              available
  # open                 0
  LV Size                141.05 GiB
  Current LE             36110
  Segments               2
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2

  --- Physical volumes ---
  PV Name               /dev/sdb1
  PV UUID               NzOG7D-fB4J-ti95-z7dV-0Qu1-1C3m-RgOXht
  PV Status             allocatable
  Total PE / Free PE    19079 / 0

  PV Name               /dev/dm-1
  PV UUID               paJeJL-DYUW-ekPi-kN8H-sbaJ-sGr2-vJQ8Rh
  PV Status             allocatable
  Total PE / Free PE    19079 / 0