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RE: [Xen-users] w2k3 cluster on xen

To: Kędziora Marek <Marek.Kedziora@xxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] w2k3 cluster on xen
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Sat, 2 Feb 2008 21:56:15 +1100
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Thread-topic: [Xen-users] w2k3 cluster on xen
> Thanks James! Is there a way to turn off caching in Xen ? Because that's
> exactly my problem - one quorum disk on both nodes behave like two
> different disks. I turned off all caching that I found:
> - on SAN virtual partition
> - using sdparm in dom0
> But it not helped.

There were some patches to qemu to allow this. If you can handle a bit of C 
it's not that hard to implement.

You could also try my GPL'd PV drivers for Windows, unless the caching matters 
very early on in the boot processes (I doubt it).

Assuming testing goes well, I'm going to do another binary release tonight as 
I've just fixed up a bug where it only worked against a 64 bit Dom0. I had 
fixed it up a few days ago, but the fix broke in the situation where Dom0 and 
DomU weren't the same bit width and Dom0's Xen drivers were < 3.1.1.

So if you are running a 64 bit Dom0 then the 0.6.1 release should work, 
otherwise wait until I do the next release.


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