Re: [exim] HArdware Suggestions for exim courier-imap

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Szerző: Marc Perkel
Dátum:  
Címzett: Simon Chappell
CC: exim-users
Tárgy: Re: [exim] HArdware Suggestions for exim courier-imap
A few quick thought. You can never have too much ram. As to raid, I'd
just use Raid 1 - it's faster than raid 5. If you're running Linux I
like the reiser file system for email because it has unlimited inodes.
As to CPU - if you are running spam filtering especially spamassassin
the good fast processing helps. If you want to save money I think the
new dual core Athlons from AMD would be very cost effective.

Simon Chappell wrote:

> Hello all,
>
> I have been using Qmail and courier-imap for about 3 years now and it
> has come time to install a bigger server.
> I have been finding that Exim has many features that Qmail lacks so it
> is also time to move to Exim.
>
> We currently have a Dual P3 700 with 6 hard disks with 600 accounts on
> it. We have moved webmail of to another server but Imap and Smtp is
> still pushing the 15min load average past 6.00 .
> We have about 100 users with Outlook using Imap and the rest use Horde
> webmail.
>
> With so many users is there anyone who can give me a few pointers as
> to how big to go on the new server? I understand that disk IO is the
> big thing with Imap so we are looking at Raid but not sure whether to
> move from raid5 to another faster option. Also CPU's and Ram. We are
> looking at Dual 3Gig with 4Gig of Ram.
>
> Any pointers or help would be greatly accepted.
>
> Simon
>


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