major minor  #blocks  name

  11        0    1048575 sr0
  11        1    1048575 sr1
   8        0 1953514584 sda
   8       16 1953514584 sdb
 254        0 1953449024 dm-0
 254        1     340992 dm-1
 254        2    8787968 dm-2
 254        3    2928640 dm-3
 254        4    2043904 dm-4
 254        5     389120 dm-5
 254        6 1938952192 dm-6