1. Frequent I/O errors to Seagate IDE hard disk
I bought a new hard disk last week, a Seagate ST34342A (`Medalist
4342'). I got it installed and it worked fine for about a week.
But today, something is wrong. Starting this morning, I started to
see messages like this in the syslog:
----------------------------------------------------------------
Jul 27 14:04:13 plover kernel: end_request: I/O error, dev 16:42, sector 131100
Jul 27 14:04:16 plover kernel: hdd: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error }
Jul 27 14:04:16 plover kernel: hdd: read_intr: error=0x40 { UncorrectableError }, LBAsect=6082710, sector=131100
Jul 27 13:43:22 plover kernel: hdd: write_intr: status=0x51 { DriveReady SeekComplete Error }
Jul 27 13:43:22 plover kernel: hdd: write_intr: error=0x10 { SectorIdNotFound }, LBAsect=5951615, sector=5
Jul 27 13:44:00 plover kernel: hdd: write_intr: status=0x51 { DriveReady SeekComplete Error }
Jul 27 13:44:00 plover kernel: hdd: write_intr: error=0x10 { SectorIdNotFound }, LBAsect=6004693, sector=53083
----------------------------------------------------------------
I unmounted the disk soon afterwards, and ran e2fsck, and sure enough,
the filesystem was corrupted. e2fsck couldn't complete, though,
because many of its reads and writes failed.
The disk geometry is 8894 cylinders, 15 heads, 63 sectors.
I have it partitioned into two filesystems:
Cylinders 1-6143 (2,902,536 blocks) /dev/hdd1
Cylinders 6144-8894 (1,226,610 blocks) /dev/hdd2
So far I've only had these problems on the second partition; the
first partition hasn't given me any trouble, but that could be because
I haven't done any I/O to it.
I looked in the faqs and howtos, but I couldn't find any relevant
advice. I also tried an Alta Vista search. One message I found
suggested re-seating the cables, but I did that and it didn't seem to
help. I found another message that seemed to discuss a similar
problem in detail, but it was in Dutch, and I don't read Dutch.
(That's at http://www.nllgg.nl/mailinglists/linux/1996/09/193.html if
yu care to see it.)
Other references I found for this kind of error were from people
asking questions about it, but there were no replies to the questions.
Finally, I read articles in this group that seemed to be related, and
again I found someone asking about the same error message, but there
was no followup.
What does this mean? What's a likely cause? Where should I go to
research it? What is the appropriate way to fix the problem?
--
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