I would not attribute these symptoms to XFS. XFS is a mature, stable
file system, at least as much as any other available in SuSE Linux /
openSUSE.
If your system is unstable, I'd diagnose the problem, probably
hardware-related in this case, before a protracted file system
conversion that is unlikely to yield any improvement.
If you can establish a login via ssh or telnet from another computer
(only use telnet if the connection is via network link that's behind a
firewall or otherwise isolated from the Internet) in advance of the
symptom, then when the hang occurs you may still be able to run some
commands such as ps, top or one of the various monitoring commands. The
first thing to look for is processes hung in a 'D' wait state (using
ps). This can sometimes be the result of software problems (disk or
file system drive bugs) but when it occurs frequently is probably the
sign of a problem with a disk drive, controller or bus interface
component.
I have seen a lot of traffic on other lists concerning the xfs file
system and random lockups caused by it. As posted earlier, I have
already converted the /home, /var, and /tmp partitions to ext3 and the
problems seem to be less frequent now. As to frequency, I was have at
least 2 lock ups per day on average.
During these lock ups I had tried to ssh in to the machine but always
got a 'no route to host' response from ssh.
Only powering off the machine would bring it back. I have not seen
anything in the logs to indicate a problem.
Thanks for your input. I will continue to try to get into the machine
during any lock up though.
--
John
Registered Linux User 263680, get counted at
http://counter.li.org
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