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

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Sep 25, 2007 at 04:22:46PM -0400, Boudreau Luc wrote:
> 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.
> 

How did you install these drivers? 

Others have reported that you cannot install them with centos/rhel version of
xen.. or they don't work at least.

-- Pasi

> -----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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