On Tuesday, October 04, 2011 11:38 AM, "Bernd Petrovitsch" <bernd@xxxxxxxxxxxxxxxxxxx> wrote: > On Mon, 2011-10-03 at 22:54 +0200, Riccardo Veraldi wrote: > > On 10/3/11 10:44 PM, Adam Tauno Williams wrote: > > > On Mon, 2011-10-03 at 22:08 +0200, Bron Gondwana wrote: > > >> On Mon, Oct 03, 2011 at 09:58:28PM +0200, Josef Karliak wrote: > > >>> Hi there, > > >>> what filesystem type do you use for Cyrus imapd ? I use SLES11x64 > > >>> (or opensuse 11.4). > > >>> I use Reiserfs3.6, so far so good. But couldn't be better ? :) > > >>> Thanks for share your expericiencies. > > >> We used to use reiserfs 3.6, but we changed to ext4 a while back. > > >> ext3 was awfully bad, but ext4 is working fine. > > > +1 ext4 > > - ext3 on DRBD on two servers with awfully slow RAID-systems > (zero-channel SCI controller - don't ask) and the filesystem was not > the problem. > - ext3 on iSCSI (to a NetApp thing AFAIK) also works without a problem - > but I suspect that things are far from any hardware limits. > Of course, "nodiratime" on the mounts. Never tried "noatime" though. Yeah, it sounds to me like you're not pushing the capabilities of these systems at all. We tried ext3 for a bit, but we push the IO really hard on our systems, and we discovered that deletes just killed IO much harder than reiserfs. So we switched back. Bron. -- Bron Gondwana brong@xxxxxxxxxxx ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/