  --- Logical volume ---
  LV Path                /dev/cpsVG/rootfs
  LV Name                rootfs
  VG Name                cpsVG
  LV UUID                Ya9eFR-Elg4-RnY0-acsA-AVuN-eHve-nQ15En
  LV Write Access        read/write
  LV Creation host, time Euler, 2016-10-08 16:29:56 +0800
  LV Status              available
  # open                 1
  LV Size                50.00 GiB
  Current LE             1600
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0
   
  --- Logical volume ---
  LV Path                /dev/cpsVG/bak_rootfs
  LV Name                bak_rootfs
  VG Name                cpsVG
  LV UUID                GW5UEW-IK9e-qU0J-qUdJ-7BrG-7azd-WSF3mw
  LV Write Access        read/write
  LV Creation host, time Euler, 2016-10-08 16:30:09 +0800
  LV Status              available
  # open                 0
  LV Size                50.00 GiB
  Current LE             1600
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:1
   
  --- Logical volume ---
  LV Path                /dev/cpsVG/log
  LV Name                log
  VG Name                cpsVG
  LV UUID                O4GV9G-kfww-jdoM-FDH8-TC9r-Ough-qGdILb
  LV Write Access        read/write
  LV Creation host, time Euler, 2016-10-08 16:30:22 +0800
  LV Status              available
  # open                 1
  LV Size                10.00 GiB
  Current LE             320
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2
   
