Ah, good question, yes I used xfs_repair, at this point I knew I had to
restore from backup and answered "y" to all questions. I am not sure
but I do not recall the log being dirty.
In the logs on my main machine, it showed the following when it
attempted to mount the two filesystems (root and boot, /dev/hde4 and
/dev/hde1 respectively).
Dec 5 08:23:53 jpiszcz kernel: XFS internal error(having trouble replaying the log here)
XFS_WANT_CORRUPTED_GOTO at line 1583 of file fs/xfs/xfs_alloc.c. Caller
0xc021de57
As far as bad disk/memory, I have tested both systems with memtest86 and
the result was 0 errors, as far as the disks go, I have not experienced
any problems with either of them until I moved to 2.6.9/2.6.10-rc{1,2}.