Re: [Xen-users] PV Drivers for Windows

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Mon, Feb 28, 2011 at 11:36:20AM -0300, Ciro Iriarte wrote:
> 2011/2/23 Fajar A. Nugraha <list@xxxxxxxxx>:
> > On Wed, Feb 23, 2011 at 10:39 AM, Ciro Iriarte <cyruspy@xxxxxxxxx> wrote:
> >> Hi, I've been using Xen for quite a while, but always with Linux
> >> ParaVirtual domUs. Recently somebody asked me about Windows support as
> >> domU on Xen, and I always had this doubt, are all the PV drivers de
> >> same?, I know there are at least three, the ones from Citrix, the VMDP
> >> from Novell and  GPLPV drivers
> >>
> >> Are all of them compatible with Xen 4?, all of them provide the same
> >> functions/performance?, what's the general rule of thumb on this
> >> subject?
> >
> > In the past, other drivers (at least Citrix and Redhat) is somewhat of
> > a hassle to install. For example, you used to have to download the
> > whole XCP/XenServer ISO, or have RHN subscription just to get the
> > driver (haven't checked again, might still true).
> >
> > Then there was functionality problem. Redhat's driver used to say you
> > can only use PV drivers for drives other than "C" (I haven't check
> > again in a long time whether it's still true).
> >
> > Compared to that, GPLPV which is easy to download and install seems
> > quite superior to me. Performance has been good.
> >
> > If you do decide to try them all, let us know which one you like best.
> >
> > --
> > Fajar
> >
> 
> Well, I've read that the Novell VMDP 1.7 has issues with live
> migration and on the other hand, GPLPV has a myriad of versions and
> variants available, an most of the time the
> latest_minus_arbitrary_number-THIS.WILL.BLOW.YOUR.DOMU version is the
> reported to work (for one particular version of the OS)... And haven't
> heard anything about the live migration functionality... That's why
> I'm asking here...
> 

During last couple of weeks many live migration related
bugfixes went into GPLPV drivers, so it might just work now.

-- Pasi


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