On Mon, Mar 25, 2019 at 3:39 PM Coly Li <colyli@xxxxxxx> wrote: > > On 2019/3/25 7:43 下午, Ed Spiridonov wrote: > > On Mon, Mar 25, 2019 at 2:07 PM Coly Li <colyli@xxxxxxx> wrote: > Is /dev/sdc3 the SSD device as cache ? yes > I see bcache report I/O error on it I see it too. It is strange for me that error happened after os-prober execution. > Can you check the health status of this SSD ? it is ok. I've checked whole partition read - no errors. and nothing bad in SMART.