linux如何查询磁盘是ssd, sata?

[todaygood]

lsblk -d -o name,rota
NAME ROTA
sda 0
sdb 0
sdc 1

Linux automatically detects SSD, and since kernel version 2.6.29, you may verify sda with:

cat /sys/block/sda/queue/rotational
You should get 1 for hard disks and 0 for a SSD.