Lsblk
list block devices
Example
아래와 같이 출력된다.
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 16G 0 disk
├─sda1 8:1 0 500M 0 part /boot
└─sda2 8:2 0 15.5G 0 part
├─centos-swap 253:0 0 1.6G 0 lvm [SWAP]
└─centos-root 253:1 0 13.9G 0 lvm /
sr0 11:0 1 1024M 0 rom