major minor  #blocks  name

   7        0      65308 loop0
   7        1      65312 loop1
   7        2      75756 loop2
   7        3     117888 loop3
   7        4     118024 loop4
   7        5      51300 loop5
   7        6      51304 loop6
   8        0  335544320 sda
   8        1       1024 sda1
   8        2    2097152 sda2
   8        3  333444096 sda3
   8       16  524288000 sdb
   8       17  524286976 sdb1
 253        0  104857600 dm-0
  11        0    1048575 sr0