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