On Thu, May 10, 2007 at 08:30:11AM -0400, Nik Conwell wrote:
>
> On Apr 11, 2007, at 8:37 PM, Bron Gondwana wrote:
>
> >As for complexity? It's on the cusp. We've certainly had many more
> >users on a single instance before, but we prefer to keep under 10k
> >users
> >per Cyrus instance these
On Apr 11, 2007, at 8:37 PM, Bron Gondwana wrote:
As for complexity? It's on the cusp. We've certainly had many more
users on a single instance before, but we prefer to keep under 10k
users
per Cyrus instance these days for quicker recoverability. It really
Hi - just a clarification que
At Thu, 12 Apr 2007 10:37:56 +1000, Bron Gondwana wrote:
Subject: Re: Recomendations for a 15000 Cyrus Mailboxes
>
> Agree on the external controllers. Ours are SCSI attached. We haven't
> tried LVM, but the separation of responsibilities means a kernel crash
> on the OS w
On Wed, Apr 11, 2007 at 04:58:15AM -0400, Greg A. Woods wrote:
> At Tue, 10 Apr 2007 06:56:43 -0500, Nestor A. Diaz wrote:
> Subject: Recomendations for a 15000 Cyrus Mailboxes
> >
> > These are the plans: (comments on every number will be apreciated)
> >
> >1
On Wed, 11 Apr 2007 07:51:57 -0700, "David R Bosso" <[EMAIL PROTECTED]> said:
> --On April 11, 2007 8:26:37 PM +1000 Bron Gondwana <[EMAIL PROTECTED]>
> wrote:
>
> >
> > We also apply one patch to reiserfs. It's a one liner, using
> > generic_write rather than the Hans Reiser special (5% faster
> > > 2. Which filesystem seems to be the better ? ext3 ? xfs ?
> > reiserfs ?
> > We are using xfs.
> I tested xfs before going back to reiserfs. I found the performance to
> be acceptable aside from quite miserable backup performance once backups
> kicked off. (Although reiserfs is now pretty
> > 2. Which filesystem seems to be the better ? ext3 ? xfs ?
> reiserfs ?
>
> We are using xfs.
I tested xfs before going back to reiserfs. I found the performance to
be acceptable aside from quite miserable backup performance once backups
kicked off. (Although reiserfs is now pretty miserab
Nestor A. Diaz wrote:
These are the plans: (comments on every number will be apreciated)
I (at Ghent university) use:
1. Linux LVM over a 600 GB RAID 10 ( 4 x 300 GB)
An EMC CX400 and CX500, with fibre channel and ata disks. 12 luns are
400 GiG raid 5, 6 of them on FC disks (primairy)
On Tue, Apr 10, 2007 at 12:41:11PM -0400, Adam Tauno Williams wrote:
> >>Please specify those weaknesses. 250,000 mailboxes on reiserfs right
> >>now, always open to options.
> >The main problem I'm aware of is that in the event of a "problem",
> >reiserfsck 1) can take a long time (like weeks) to
On Tue, Apr 10, 2007 at 04:58:23PM +0200, Timo Schoeler wrote:
> On Tue, 10 Apr 2007 06:56:43 -0500
> >1. Linux LVM over a 600 GB RAID 10 ( 4 x 300 GB)
> >2. Which filesystem seems to be the better ? ext3 ? xfs ?
> > reiserfs ?
>
> Do NEVER use XFS on GNU/Linux. (C)XFS is a brilliant FS on
At Tue, 10 Apr 2007 06:56:43 -0500, Nestor A. Diaz wrote:
Subject: Recomendations for a 15000 Cyrus Mailboxes
>
> These are the plans: (comments on every number will be apreciated)
>
>1. Linux LVM over a 600 GB RAID 10 ( 4 x 300 GB)
I would only ever be able to recommend NetBS
Hi Nestor,
Would love to the impad.conf and cyrus.conf if you would be so kind as
to share them ...
Cheers
Charles
On Wed, 2007-04-11 at 01:15 -0500, Nestor A. Diaz wrote:
> Thank you all of you who give me that precious tips, i am going to put
> them on practice, and i will tell you when th
Thank you all of you who give me that precious tips, i am going to put
them on practice, and i will tell you when the system will be finished
in order to share my experience with you.
Slds.
--
Nestor A. Diaz
Ingeniero de Sistemas
Tel. +57 1-600-5490 x 211
Cel. +57 316-227-3593
Tel. SIP: sip:[E
> 1. Linux LVM over a 600 GB RAID 10 ( 4 x 300 GB)
> 2. Which filesystem seems to be the better ? ext3 ? xfs ? reiserfs ?
> 3. Which options to format the filesystem ? acording to the chosed
> filesystem
> 4. Which pop3 / imap proxy to use ?
> 5. Single instance or multiple instance
> ; Best: ZFS on Solaris ;)
>
> Or now on MacOSX (Leopard) or on FreeBSD (7.0)!
both are not officially supported; ZFS support on FreeBSD is experimental.
furthermore, as a (not only, but also) Mac user for more than 15 years who
dropped use of Apple products entirely in 2005 (yes, there were good
> Both partitions were formatted with the following commands:
>mkfs -t ext3 -j -m 1 -O dir_index /dev/sdb1
Yep, "-O dir_index" is the important bit. With that the performance
difference between ext3 and other filesystems is dramatically
diminished.
>tune2fs -c 0 -i 0 /dev/sdb1
> Our moun
On 10 Apr 2007, at 12:40, John Madden wrote:
Indeed, I've seen reiserfs do some very long fsck's, but I've seen the
same out of ext3. But for a filesystem of 35 million mail files, I
figure it's got to beat ext3 on performance, at least. ...But there
don't seem to be any stats at this scale to
On Tue, 10 Apr 2007, Timo Schoeler wrote:
;
; Best: ZFS on Solaris ;)
Or now on MacOSX (Leopard) or on FreeBSD (7.0)!
(although Solaris is likely to remain the most stable implementation for
the moment)
Cyrus Home Page: http://cyrusimap.web.cmu.edu/
Cyrus Wiki/FAQ: http://cyrusimap.web.cmu
On Tue, 10 Apr 2007, Nestor A. Diaz wrote:
Hello People,
I am a proud cyrus user and fan, right know i need o implement a 15K users
cyrus mailstore, since i have been using cyrus for an average 400 users
mailstore, i will like to hear comments for setting up a cyrus for a 15K
users.
I cur
Please specify those weaknesses. 250,000 mailboxes on reiserfs right
now, always open to options.
The main problem I'm aware of is that in the event of a "problem",
reiserfsck 1) can take a long time (like weeks) to complete, 2) doesn't
necessarily fix the problems. ext3 doesn't have these prob
> The main problem I'm aware of is that in the event of a "problem",
> reiserfsck 1) can take a long time (like weeks) to complete, 2)
> doesn't necessarily fix the problems. ext3 doesn't have these
> problems.
Indeed, I've seen reiserfs do some very long fsck's, but I've seen the
same out o
On 10 Apr 2007, at 11:16, John Madden wrote:
Please specify those weaknesses. 250,000 mailboxes on reiserfs right
now, always open to options.
The main problem I'm aware of is that in the event of a "problem",
reiserfsck 1) can take a long time (like weeks) to complete, 2)
doesn't necessar
John Madden wrote:
My guess: ext3. ReiferFS has some very annoying weaknesses that may
affect you.
Please specify those weaknesses. 250,000 mailboxes on reiserfs right
now, always open to options.
John
Hi
May be of interest regarding point 2. I saved this postfix post not
lo
> My guess: ext3. ReiferFS has some very annoying weaknesses that may
> affect you.
Please specify those weaknesses. 250,000 mailboxes on reiserfs right
now, always open to options.
John
--
John Madden
Sr. UNIX Systems Engineer
Ivy Tech Community College of Indiana
[EMAIL PROTECTED]
On Tue, 10 Apr 2007 06:56:43 -0500
"Nestor A. Diaz" <[EMAIL PROTECTED]> wrote:
> Hello People,
>
> I am a proud cyrus user and fan, right know i need o implement a 15K
> users cyrus mailstore, since i have been using cyrus for an average
> 400 users mailstore, i will like to hear comments for se
On Tue, 2007-04-10 at 06:56 -0500, Nestor A. Diaz wrote:
> Hello People,
>
> I am a proud cyrus user and fan, right know i need o implement a 15K
> users cyrus mailstore, since i have been using cyrus for an average 400
> users mailstore, i will like to hear comments for setting up a cyrus for
Hello People,
I am a proud cyrus user and fan, right know i need o implement a 15K
users cyrus mailstore, since i have been using cyrus for an average 400
users mailstore, i will like to hear comments for setting up a cyrus for
a 15K users.
I currently have a ' postfix / postgresql / cyrus
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