On Tue, Jun 12, 2012 at 1:16 PM, Zhi Yong Wu <zwu.kernel@xxxxxxxxx> wrote: > HI, > > Can anyone let me know how to check if one disk is SSD drive? which > linux command? any help is appreciated, thanks. > you may use hdparm, eg: # hdparm -I /dev/sda |grep Media Nominal Media Rotation Rate: 7200 # hdparm -I /dev/sdb |grep Media Nominal Media Rotation Rate: Solid State Device -- Liang Guo http://bluestone.cublog.cn -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html