Re: [Xen-users] mail server on a xen guest?

To:	Xen-users@xxxxxxxxxxxxxxxxxxx
Subject:	Re: [Xen-users] mail server on a xen guest?
From:	"Peter Peltonen" <peter.peltonen@xxxxxxxxx>
Date:	Fri, 11 Jul 2008 19:54:42 +0300
Cc:
Delivery-date:	Fri, 11 Jul 2008 09:55:15 -0700
Dkim-signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=foGK8AAKM/HqADiMSSDYn2oyvx1NCT1ru6xj9HYMP5I=; b=jnRKx2blmfJ8ZRzO1jfsKJnt89Zqmhs7h4o6pgaVL9aOatJH4/33D/Barr2fLsQTfK OIHCqjMfUl7R/VOGbrCT+/Vwc2tORVYJS3NKLCQwx58RQYC7TF0mNVPSiRIfUOsZXjK8 NliDTgWP6WOUIN8a5+2ZPVassIZuOE6VW7zP0=
Domainkey-signature:	a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=sv5RszvfskROoaJ4UFru0LP/1qPgmROQSZoS1s981pL0soC2O0dzbd4qtfMkoMSKxo t4pkTnp3Q5FI0jB0AsWzuuRLmxMY7bVzpMJltOpOgDFLdkxdSrVv4e9ISJjB6fO5xLe5 0p2A2b+DZD60mTyEQMyQbD9yc4eu7AK+SRT5w=
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to:	<48735661.4080704@xxxxxxxxxx>
List-help:	<mailto:xen-users-request@lists.xensource.com?subject=help>
List-id:	Xen user discussion <xen-users.lists.xensource.com>
List-post:	<mailto:xen-users@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References:	<69b6a1580807050925g25164a0bjab3b262dbec326@xxxxxxxxxxxxxx> <48724624.3050702@xxxxxxxxx> <48735661.4080704@xxxxxxxxxx>
Sender:	xen-users-bounces@xxxxxxxxxxxxxxxxxxx

Hi,

On Tue, Jul 8, 2008 at 2:58 PM, John Haxby <john.haxby@xxxxxxxxxx> wrote:
> RAID5 isn't going to be good for mail: a lot of the disk-writes are going to
> be very small and there are going to be a hell of a lot of them, especially
> with that kind of incoming load.   Actually, with that kind of incoming load
> I don't think you're going to want to run the mail server on anything other
> than the bare metal anyway: virtual machines work well when you have servers
> that are individually relatively lightly loaded and it doesn't look as
> though yours is.

Are you speaking from experience or is this just a well educated guess?

Are many small disk writes something that Xen is particullary not good with?

Best,
Peter

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users

WARNING - OLD ARCHIVES

xen-users

Re: [Xen-users] mail server on a xen guest?