On Fri, May 08, 2009 at 07:35:38PM -0700, Robinson, Eric wrote:
> Thanks, Pasi. I'll give it a try.
>
Yep. If you have any issues, you should post here.. James Harper (the author
of the GPLPV drivers), and many users of the drivers have been pretty responsive
here.
> As far as top-posting goes, I've been on both sides of that debate since
> before
> the phrase "surf the internet" was coined. I'm too tired to worry about it
> any more. :-)
>
Hehe. :)
-- Pasi
> --
> Eric Robinson
>
>
> -----Original Message-----
> From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> Sent: Friday, May 08, 2009 12:18 AM
> To: Robinson, Eric
> Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] Windows Performance Monitor on a Win2003R2 DomU
>
> On Thu, May 07, 2009 at 09:13:42PM -0700, Robinson, Eric wrote:
> >
> > I'm using Qemu emulated drivers. I am under the impression that
> > paravirtualized drivers are not an option for Windows guests.
> >
>
> You should try Windows Xen GPLPV drivers. They'll have a lot better
> performance than the Qemu emulated devices.
>
> And please don't top-post..
>
> -- Pasi
>
> > --
> > Eric Robinson
> >
> >
> >
> > -----Original Message-----
> > From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> > Sent: Thursday, May 07, 2009 2:56 AM
> > To: Robinson, Eric
> > Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Xen-users] Windows Performance Monitor on a Win2003R2
> > DomU
> >
> > On Wed, May 06, 2009 at 01:50:30PM -0700, Robinson, Eric wrote:
> > > I have 3 Windows terminal servers. The two physical servers have
> > > average disk queue lengths around 1-2, which is normal for a RAID 1
> > > server. The third Windows terminal server is a Xen DomU. When I run
> > > perfmon on it, average disk queue lengths are 20,000+. What the heck
> > > accounts for the difference? That number has to be spurious. There's
> > > no way the disk queue could really be that high.
> > >
> >
> > Are you using Qemu emulated disk devices/drivers (default), or
> > optimized
> > (paravirtualized) drivers?
> >
> > -- Pasi
> >
>
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