6.12. lsblk - list block devices
$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 149.1G 0 disk
├─sda1 8:1 0 54G 0 part /home
├─sda2 8:2 0 1K 0 part
├─sda5 8:5 0 2G 0 part [SWAP]
└─sda6 8:6 0 93.1G 0 part /srv
sr0 11:0 1 1024M 0 rom
# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sdb 8:16 0 931.5G 0 disk
?..md126 9:126 0 931.5G 0 raid1
?..md126p1 259:0 0 500M 0 md /boot
?..md126p2 259:1 0 48.8G 0 md /
?..md126p3 259:2 0 14.7G 0 md [SWAP]
?..md126p4 259:3 0 1K 0 md
?..md126p5 259:4 0 390.6G 0 md /www
?..md126p6 259:5 0 476.9G 0 md /opt
sda 8:0 0 931.5G 0 disk
?..md126 9:126 0 931.5G 0 raid1
?..md126p1 259:0 0 500M 0 md /boot
?..md126p2 259:1 0 48.8G 0 md /
?..md126p3 259:2 0 14.7G 0 md [SWAP]
?..md126p4 259:3 0 1K 0 md
?..md126p5 259:4 0 390.6G 0 md /www
?..md126p6 259:5 0 476.9G 0 md /opt
sr0 11:0 1 1024M 0 rom