>> I think you've got really serious filesystem-level problems. Have you >> tried running any hardware diagnostics? Are you sure you're using a >> stable kernel version?
> I run fsck on the filesystem (gfs) -- no problems found. The disks are from > a san and the diagnostic programs say there's nothing wrong. I also have > other db clusters running on different filesystems (also gfs) and I have > never had any problems with them.
Some RAM checks wouldn't be out of place either.
Hmm didn't think of that, will do that asap (tomorrow). Thanks for your help.