NAME   ALIGNMENT MIN-IO OPT-IO PHY-SEC LOG-SEC ROTA SCHED       RQ-SIZE  RA WSAME
sda            0   4096      0    4096     512    0 mq-deadline      64 128    0B
|-sda1         0   4096      0    4096     512    0 mq-deadline      64 128    0B
|-sda2         0   4096      0    4096     512    0 mq-deadline      64 128    0B
`-sda3         0   4096      0    4096     512    0 mq-deadline      64 128    0B
sr0            0    512      0     512     512    1 mq-deadline      64 128    0B
