On Thu, 2008-02-28 at 16:56 -0600, Kenneth Marshall wrote: > It may be that the software RAID 5 is your problem. Without the > use of NVRAM for a cache, all of the writes need all 3 disks. > That will cause quite a bottle-neck. > > Ken
And if you can, try to get the mailstore over onto a RAID1. RAID5 is only good for long rebuilds and slow writes. Since you've already got DRBD setup, can you gank something to add as a second DRBD replica, which you can either test a single disk setup, or a RAID1 setup? Z ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
