### lsblk
### command: lsblk -a
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda      8:0    0   477G  0 disk 
├─sda1   8:1    0     1G  0 part /boot/efi
├─sda2   8:2    0     1G  0 part /boot
└─sda3   8:3    0   475G  0 part /
sdb      8:16   0 447.1G  0 disk 
sdc      8:32   0 447.1G  0 disk 
sdd      8:48   0 447.1G  0 disk 
sde      8:64   0 447.1G  0 disk 
sdf      8:80   0 447.1G  0 disk 
sdg      8:96   0 447.1G  0 disk 
sdh      8:112  0 447.1G  0 disk 
sdi      8:128  0 447.1G  0 disk 
sdj      8:144  0 447.1G  0 disk 
sdk      8:160  0 447.1G  0 disk 
sdl      8:176  0 447.1G  0 disk 
sdm      8:192  0 447.1G  0 disk