> -----Original Message----- > From: linux-raid-owner@xxxxxxxxxxxxxxx [mailto:linux-raid- > owner@xxxxxxxxxxxxxxx] On Behalf Of Leslie Rhorer > Sent: Wednesday, April 08, 2009 9:18 AM > To: 'Linux RAID' > Subject: RE: RAID halting > > > There is also a SMART error log reporting mechanism. The disks have > > ability to report the last 5 commands that errored on each disk, > which > > includes timestamp, op code, input parameters and reason for error. > > I pulled the logs from the drives. Four showed no errors whatsoever, > and > three showed 1, 2, and 3 errors, respectively. The others ranged from > 408 > to 1871. I then triggered a halt with a mv command, and checked the > logs > again. The values all remain the same, with no new errors reported > whatsoever. > > > This runs instantly, and it is possible that just having these last 5 > > errors will tell you exactly what problem is. The errors are also > > I presume a sector remapping would be caught by the log file, yes? If > so, > bad sector mapping is pretty much completely eliminated as a cause for > this > issue. > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" > in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html EXACTLY -- what are the errors .(Also a halt will not create an error in the internal log of the disk. Now, if you had cut power in middle of a huge I/O, or read block n+1 on a disk that only had n blocks, then you would create an error. - David -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html