Hi Simon, We are not experiencing that "FAILED TO IDENTIFY" error. Kind regards, Caspar > We are investigating a similar type of problem seen on several of our > systems. > Seemingly at random (though some systems seem more susceptible than > others) we see the ata link reset and subsequently there is a FAILED TO > IDENTIFY error logged. smartctl is unable to get information from the > drive and a power cycle of the drive is required to bring it back on line. > > I would be interested to know if the ata level errors are similar to those > we are seeing. > > > -----Original Message----- > From: linux-ide-owner@xxxxxxxxxxxxxxx > [mailto:linux-ide-owner@xxxxxxxxxxxxxxx] On Behalf Of Caspar Smit > Sent: 01 December 2009 12:16 > To: linux-ide@xxxxxxxxxxxxxxx > Subject: Random shutdown of disks using sata_mv > > > > Hi, > > I'm having a problem where in random one of my disks shuts > down and is disconnected from the linux kernel. In other words I have to > reboot the system or physically unplug/replug the disk to get it to work > again. > > I will provide my configuration: > > SuperMicro > SC-216 chassis (24 bay 2,5" disks) > 24x Seagate ST9500420AS 500Gb > 7200 RPM Hard Drives > 3x SuperMicro AOC-SAT2-MV8 (SATA Controller > using the sata_mv kernel driver) > > I use Debian Lenny 5.0 and > kernel: linux-image-2.6.30-bpo.2-amd64 > (2.6.30-8~bpo50+1) from the > backports repository. > > The symptom is that after a while of > operation a disk is shut down and kicked out of a RAID set. It doesn't > matter if there is load or not on the system. > > The logging > says: > > sd 11:0:0:0: [sdk] Unhandled error code > sd 11:0:0:0: > Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK > sd 11:0:0:0: > end_request: I/O error, dev sdk, sector 0 > > In this case sdk, > but it happens to all disks. > Then the disk is not readable by the > system anymore. > > When I check the disk for errors > (badblocks/smart) in another system it doesn't give any errors. > I > only have this with 2,5" systems. > > Is this a sata_mv > problem? A disk problem? or anything else? > I can provide more info if > needed. > > Kind regards, > Caspar Smit > > -- > To unsubscribe from this list: send the line "unsubscribe linux-ide" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html