root@ubuntu:~# cat /proc/partitions
major minor  #blocks  name

   8        0 2930266584 sda
   8       16 2930266584 sdb
   8       48 2930266584 sdd
   8       64  244140625 sde
   8       65  240076800 sde1
   8       66          1 sde2
   8       69    4061184 sde5
   8       32 2930266584 sdc
root@ubuntu:~#