major minor  #blocks  name

   8        0  976762584 sda
   8        1          1 sda1
   8        3  771959808 sda3
   8        5   97654784 sda5
   8        6    7811072 sda6
   8        7   99332096 sda7
  11        0    1048575 sr0
   8       16  488386584 sdb
   8       17  488384032 sdb1