root@openstack:/home/openstack# lsblk
NAME                            MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda                               8:0    0 465.8G  0 disk
├─sda1                            8:1    0   243M  0 part /boot
├─sda2                            8:2    0     1K  0 part
└─sda5                            8:5    0 465.5G  0 part
  ├─openstack--vg-root (dm-0)   252:0    0 445.5G  0 lvm  /
  └─openstack--vg-swap_1 (dm-1) 252:1    0    20G  0 lvm  [SWAP]
sdb                               8:16   0   3.7T  0 disk
sdc                               8:32   0   3.7T  0 disk
sdd                               8:48   0   3.7T  0 disk
sde                               8:64   0   3.7T  0 disk