On Tue, 2008-06-24 at 15:20 +0100, Ed W wrote: > Hi > > Sounds like you know what you are doing! >
No, sounds like I'm thinking what I'm doing. :-D I really need more information to get more from the structure. > >> - can I assume you have given some thought to > >> tuning your file system which handles the spool files? > >> > >> > > The server uses xfs for maildir partition and so on, it uses > > noatime,nodiratime,nobarrier,logbufs=8. > > > I guess you have read around a little on XFS + maildir? There was some > discussion a while back that showed it could sometimes get a little slow > without some tweaking - I think the logbugs param you used was mentioned > as the solution? That's right. > Since you are IO constrainted did you try some > benchmarks on other filesystems? > No. I used reiserfs before and I had many problems with it. The guy that was in charge before me tried xfs and showed me lots of good things about xfs. So, I decided to try it too. And backup is a problem here, so an security filesystem is very important for not losing mail. > Good luck > > Ed W