方法
法1：通过查看/sys/block/sda/queue/rotational
通过cat /sys/block/sda/queue/rotational进行查看，返回值0即为SSD；返回1即为HDD。
法2：通过lsscsi查看
lsscsi - list SCSI devices (or hosts) and their attributes
实例
HDD
[root@ssd-test thatsit]# cat /sys/block/sda/queue/rotational 1 [root@ssd-test thatsit]# lsscsi [0:0:32:0] enclosu DP BP12G+ 1.00 - [0:2:0:0] disk DELL PERC H310 2.12 /dev/sda [root@ssd-test thatsit]#
SSD
[root@hdd-test thatsit]# cat /sys/block/sda/queue/rotational 0 [root@hdd-test thatsit]# lsscsi [0:0:0:0] disk ATA INTEL SSDSC2BX48 0150 - [0:0:1:0] disk ATA INTEL SSDSC2BX48 0150 - [0:1:0:0] disk LSI Logical Volume 3000 /dev/sda [root@hdd-test thatsit]#
