# lsblk
NAME            MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda               8:0    0   1.8T  0 disk
|-sda1            8:1    0   500M  0 part /boot
`-sda2            8:2    0  61.8G  0 part
  |-centos-root 253:0    0    50G  0 lvm  /
  `-centos-swap 253:1    0  11.8G  0 lvm  [SWAP]
sdb               8:16   0   2.7T  0 disk
`-sdb1            8:17   0   2.7T  0 part /var/lib/ceph/osd/ceph-0
sdc               8:32   0   2.7T  0 disk
`-sdc1            8:33   0   2.7T  0 part /var/lib/ceph/osd/ceph-8
sdd               8:48   0   2.7T  0 disk
`-sdd1            8:49   0   2.7T  0 part /var/lib/ceph/osd/ceph-12
sde               8:64   0 232.4G  0 disk
|-sde1            8:65   0    23G  0 part
|-sde2            8:66   0    23G  0 part
|-sde3            8:67   0    23G  0 part
|-sde4            8:68   0    23G  0 part
|-sde5            8:69   0    23G  0 part
|-sde6            8:70   0    23G  0 part
|-sde7            8:71   0    23G  0 part
|-sde8            8:72   0    23G  0 part
`-sde9            8:73   0    23G  0 part
sdf               8:80   0 232.4G  0 disk
|-sdf1            8:81   0 209.4G  0 part /var/lib/ceph/osd/ceph-57
`-sdf2            8:82   0    23G  0 part
sdg               8:96   0   2.7T  0 disk
`-sdg1            8:97   0   2.7T  0 part /var/lib/ceph/osd/ceph-18
sdh               8:112  0   2.7T  0 disk
`-sdh1            8:113  0   2.7T  0 part /var/lib/ceph/osd/ceph-24
sdi               8:128  0   2.7T  0 disk
`-sdi1            8:129  0   2.7T  0 part /var/lib/ceph/osd/ceph-27
sdj               8:144  0   2.7T  0 disk
`-sdj1            8:145  0   2.7T  0 part /var/lib/ceph/osd/ceph-31
sdk               8:160  0   2.7T  0 disk
`-sdk1            8:161  0   2.7T  0 part /var/lib/ceph/osd/ceph-38
sdl               8:176  0   2.7T  0 disk
`-sdl1            8:177  0   2.7T  0 part /var/lib/ceph/osd/ceph-42