[CentOS] Root fs suddenly goes r/o
Stephen John Smoogen
smooge at gmail.com
Wed Jul 11 23:18:35 UTC 2007
On 7/11/07, Eduardo Grosclaude <eduardo.grosclaude at gmail.com> wrote:
> Out of the blue, dmesg on my HP Proliant w/ a SCSI disk gives loads of
> messages like this one:
> EXT3-fs error (device dm-0) in start_transaction: Journal has aborted
> Then the root fs goes read-only, so little else can be done on the machine.
> LVM locks up. At restart, fs needs a reboot to recover after fsck. The host
> starts up ok, then I am given some more minutes before the problem
> reappears. This is stock CentOS 4.4, never have gotten to update it because
> of this very same problem.
> System logs say SCSI I/O error, but SMART says no problem has been found,
> neither does badblocks (run from a rescue CD bootup). SCSI cabling,
> terminator, etc has been checked.
> What should I investigate next? Is the disk condemned?
SMART isnt fool-proof. I have had disks that go 'clunk/scraping
sounds/spin up' that have gotten SMART seal of approval. My normal
checklist is the above with replacing the items (in case that isnt
what you meant by check).
though I usually do disk drive then controller.
Stephen J Smoogen. -- CSIRT/Linux System Administrator
How far that little candle throws his beams! So shines a good deed
in a naughty world. = Shakespeare. "The Merchant of Venice"
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