Re: [Xen-users] Windows 2003 HVM Performance

[Goga <narezatel@xxxxxxxxx>]

Hello all.

What disk I/O speed Windows guest should get?
I runned benchmarks using Iometer at Windows server 2003 guest and got
terrible results , about 4-6 Mb/sec ( btw , same for disks i connected
using MS iscsi initiator and  SAMBA shares )
It is normal speed for Windows guest  or something wrong in my installation?
Guest and Iscsi target running on same machine .

On 12/15/06, John McMonagle <johnm@xxxxxxxxxxx> wrote:
> Pasi Kärkkäinen wrote:
>
> >On Fri, Dec 08, 2006 at 08:55:38AM +0000, lists@xxxxxxxxxxxxx wrote:
> >
> >
> >>Hello all,
> >>
> >>I have recently been trying to install a windows 2003 server on a Xen Dom0 
> with
> >>an AMD X2 CPU.  I've not actually been able to finish the installation due to
> >>the Dom0 host crashing whilst the Windows installation is "registering
> >>components".  Hopefully the latest version of OpenSUSE (which I'm downloading
> >>at the moment) will fix that? :-)
> >>
> >>During the installation I noticed that the section of the install that copied
> >>files to the harddisc didn't execute very fast which prompted me to google for
> >>xen HVM harddisc performance figures.  I read some references to a windows
> >>paravirtualised harddisc driver that would improve performance.  Does anyone
> >>know whether paravirtualised drivers are in development?  I also read that
> >>network performance is near native so would it make sense to install windows 
> on
> >>a partition on the Dom0 and then create a D drive on the windows machine using
> >>an iSCSI initiator?  This would mean that the domU would be relying on it's
> >>near native network performance for harddisc accesses.  Has anyone tried this?
> >>
> >>I'd be interested to hear any advice on settings/tweaks to improve windows HVM
> >>performance.
> >>
> >>Many thanks in advance,
> >>
> >>
> >>
> >
> >Windows paravirtualized device drivers for disk and network would be a lot
> >faster, but those are not publicly available :(
> >
> >They are part of Virtual Iron and Xen Enterprise products only.. :(
> >
> >-- Pasi
> >
> >
> Anyone know if these drivers are in the Xen Express?
>
>
>  John
>
> --
> John McMonagle
> IT Manager
> Advocap Inc.
>
>
>
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