It happened again, but this time on just one of the two computers:
[20770.844282] hda: tray open
[20770.844288] end_request: I/O error, dev hda, sector 0
[20770.844292] Buffer I/O error on device hda, logical block 0
Since you think LVM may be misbehaving, I changed the filter on the
affected computer to read
filter = [ "r|/dev/cdrom|", "r|/dev/hda|", "r|/dev/ide|" ]
Ironically, that's on the computer that threw the error, so it could
be more evidence LVM has a problem if it is indeed the cause or
further evidence that it isn't involved.
The kernel on this amd64-based computer is now 2.6.16.20. LVM is
version 2.02.05 (versions from Gentoo packages). Device mapper is
1.02.07 and udev is 090.) Since I'm shooting in the dark, cc'd to the
gentoo ml since this system is gentoo-based (2005.0 profile).
/ 2006-06-12 01:06:30 -0400
\ Maurice Volaski:
Spontaneously and for no apparent reason, two computers displayed
the following message in their logs several times at the same time:
> [55419.446442] Buffer I/O error on device hda, logical block 0
> [55419.447381] hda: command error: status=0x51 { DriveReady
SeekComplete Error }
[55419.447386] hda: command error: error=0x54 { AbortedCommand
LastFailedSense=0x05 }
[55419.447389] ide: failed opcode was: unknown
[55419.447391] end_request: I/O error, dev hda, sector 0
...
drbd could at least theoretically triggered this somehow.
no.
much more likely some program scanning ("discovering") devices.
just a wild guess:
man lvm.conf
/filter
--
Maurice Volaski, mvolaski@aecom.yu.edu
Computing Support, Rose F. Kennedy Center
Albert Einstein College of Medicine of Yeshiva University
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