RE: [Xen-users] Network Performance issues on 3.1 - FC7

["Boudreau Luc" <luc.boudreau@xxxxxxxxxxxx>]

Windows drivers are included in the free Xen Express distribution. Look for a 
tools cd image. I dunno if it is applicable to this issue, but installing them 
allowed us to gain a bit of speed on network transmissions and disk reads. We 
were using a fully virtualized Windows 2003 server domU on a CentOS 5 dom0.

-----Message d'origine-----
De : xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] De la part de Pasi Kärkkäinen
Envoyé : 25 septembre 2007 15:55
À : Errol Neal
Cc : xen-users@xxxxxxxxxxxxxxxxxxx
Objet : Re: [Xen-users] Network Performance issues on 3.1 - FC7

On Tue, Sep 25, 2007 at 01:46:34PM -0400, Errol Neal wrote:
> Hey all. I have a single Windows 2003 SP1 HVM guest running on a FC7  
> box. The system has a single dual core 5130 Xeon @ 1.6ghz. For some  
> reason, network performance is very bad, causing the CPU on the guest  
> to go through the roof at very low bit rates - say under 5MB per  
> second. I've done alot googling and looked through the Xen forums. I  
> see other users are reporting problems with network performance but  
> i'm not sure how to resolve or improve it. Does anyone have any  
> suggestions?
> 

The problem is that there are no Xen (Paravirtualized) drivers available for
windows that work with the opensource version of Xen..

At the moment the only solution is to run Virtual Iron, Xen Enterprise, or
Novell SLES, because there are optimized/paravirtualized drivers available
for them.

-- Pasi

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