major minor  #blocks  name

   8       16   70311936 sdb
   8       17     512000 sdb1
   8       18   69798912 sdb2
   8        0  488386584 sda
   8        1  488385560 sda1
 253        0   33275904 dm-0
 253        1   33271808 dm-1
 253        2    3248128 dm-2
