RE: [Xen-users] Windows 2003 HVM Performance

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Gerhard Possler
> Sent: 19 December 2006 10:08
> To: Goga
> Cc: xen-users-bounces@xxxxxxxxxxxxxxxxxxx; 
> lists@xxxxxxxxxxxxx; xen-users@xxxxxxxxxxxxxxxxxxx; John McMonagle
> Subject: Re: [Xen-users] Windows 2003 HVM Performance
> 
> 
> 
> Hi 
> 
> could you use somthing else then ioemu? i don't think so, i 
> haven't see any paravirtualized driver yet... and i'm also 
> waiting for that (i've get the same problems but with an old 
> Linux 2.4 Kernel and older Oracle db ;-) ) 

Paravirtual drivers exist for Linux 2.6 kernel - shouldn't be too difficult to 
back-port for 2.4. 

PV Windows drivers are available to customers of commercial products such as 
XenEnterprise and Virtual Iron. 

--
Mats
> 
> gerhard 
> 
> PS: i hope this cross-posting will annoy somebody 
> 
> 
> 
> 
> Goga <narezatel@xxxxxxxxx> 
> Sent by: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> 
> 18.12.2006 19:20 To
> "John McMonagle" <johnm@xxxxxxxxxxx> 
> cc
> xen-users@xxxxxxxxxxxxxxxxxxx, lists@xxxxxxxxxxxxx 
> Subject
> Re: [Xen-users] Windows 2003 HVM Performance
> 
>       
> 
> 
> 
> 
> 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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> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> >
> 
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> 
> 



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