I have had in years past seen hardware (SCSI) RAID controllers lose
it electronically causing the kernel to fill the logs with scary SCSI
messages and ext3 to complain about "holes" in the filesystem like so:
Sep 7 14:47:17 thewarehouse1 kernel: EXT3-fs error (device
sd(8,81)): ext3_readdir: directory #376833 contains a hole at offset 0
I'm using drbd and heartbeat so whatever gets written to the hardware
RAID gets written independently to a second RAID on a second
computer. It would be nice if in the unlikely event hardware failed
to cause something bad such as the one aforementioned to trigger the
computer to fail entirely and force heartbeat/drbd to kick in on the
second computer.
If I set the error behavior with tune2fs to panic, would this happen?
That is, is this the type of error that would trigger a panic? Are
there minor errors that could unnecessarily trigger one?
--
Maurice Volaski, mvolaski@xxxxxxxxxxxx
Computing Support, Rose F. Kennedy Center
Albert Einstein College of Medicine of Yeshiva University
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