major minor  #blocks  name

   7        0     975860 loop0
   8        0  976762584 sda
   8        1  490917969 sda1
   8        2          1 sda2
   8        5    8385536 sda5
   8        6  477456384 sda6
   8       16    7816704 sdb
   8       17    7816672 sdb1