I actually just posted about this same issue on jfs-discussion as I didn't see anything when I did a search. I just thought I would add I have this exact same problem and run into it a lot quicker (usually after writing files that are getting 30+GB). A guess of a possible cause is fragmentation since it seems to do it worse on files that are written and are more fragmented.
Also maybe the...
2009-03-21 12:20:14 UTC in Journaled File System
