major minor  #blocks  name

 252        0   83886080 vda
 252        1   83885039 vda1
  11        0        482 sr0
   7        3   20971520 loop3
 253        0   20967424 dm-0
   7        4   20971520 loop4
 253        1   20967424 dm-1
   7        5   20971520 loop5
 253        2   20967424 dm-2
