Chris Murphy wrote: > On Mon, Jan 18, 2016, 4:39 AM Alessandro Baggi > <alessandro.baggi at gmail.com> > wrote: >> Il 18/01/2016 12:09, Chris Murphy ha scritto: >> > What is the result for each drive? >> > >> > smartctl -l scterc <dev> >> > >> SCT Error Recovery Control command not supported >> > The drive is disqualified unless your usecase can tolerate the possibly > very high error recovery time for these drives. > > Do a search for Red Hat documentation on the SCSI Command Timer. By > default > this is 30 seconds. You'll have to raise this to 120 out maybe even 180 > depending on the maximum time the drive attempts to recover. The SCSI > Command Timer is a kernel seeing per block device. Basically it's giving > up, and resetting the link to drive because while the drive is in deep > recovery it doesn't respond to anything. > Replace the drive. Yesterday. mark