NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda      8:0    0 698.7G  0 disk 
|-sda1   8:1    0   512M  0 part /boot/efi
|-sda2   8:2    0 690.7G  0 part /
`-sda3   8:3    0   7.5G  0 part [SWAP]
sdb      8:16   1  28.9G  0 disk 
sr0     11:0    1  1024M  0 rom