Re: Cyrus imap server and filesystem type.

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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

----
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