21:45:37 root[pts/0]@grumpy ~# lvdisplay
  /dev/sda: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdd: read failed after 0 of 4096 at 0: Input/output error
  --- Logical volume ---
  LV Name                /dev/backup/ee_files
  VG Name                backup
  LV UUID                4knpIA-TTYh-houf-z7iO-NHYS-wd7Y-2o6F02
  LV Write Access        read/write
  LV Status              available
  # open                 0
  LV Size                3.00 GB
  Current LE             768
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           253:3

  --- Logical volume ---
  LV Name                /dev/sys/rootfs
  VG Name                sys
  LV UUID                y3cqY8-BGRT-HZdT-EVRn-Ec4B-9sYL-aktCQY
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                252.00 MB
  Current LE             63
  Segments               2
  Allocation             inherit
  Read ahead sectors     0
  Block device           253:0

  --- Logical volume ---
  LV Name                /dev/sys/usr
  VG Name                sys
  LV UUID                EI2JHt-Mb16-xDzK-CDsq-LmJ4-o63s-jpvi31
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                200.00 MB
  Current LE             50
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           253:1

  --- Logical volume ---
  LV Name                /dev/sys/var
  VG Name                sys
  LV UUID                7LImvD-u5rc-GHAK-4aMf-8veq-665U-r7o2OQ
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                512.00 MB
  Current LE             128
  Segments               2
  Allocation             inherit
  Read ahead sectors     0
  Block device           253:2

21:46:13 root[pts/0]@grumpy ~#