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RE: [Xen-users] Using xen in multihead distributed setup

To: "John Preston" <byhisdeeds@xxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] Using xen in multihead distributed setup
From: "Ross S. W. Walker" <RWalker@xxxxxxxxxxxxx>
Date: Thu, 25 Sep 2008 12:31:12 -0400
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Thread-topic: [Xen-users] Using xen in multihead distributed setup
John Preston wrote:
>       PCI Passthru does not work with video cards, instead you can access
>       the video display from the vm's using vnc or sdl.
> I don't think I can use vnc or sdl in my case. I need each 
> server to run X which I thought would be able to distinguish 
> between all the installed cards by their n:n designation in 
> xorg.conf. I was hoping that there would be a way to bind 
> each servers X output to just one video card. Thus I could 
> see the output of applications  running on each server.

You can use X in dom0 as a server for the domUs.

Just setup X servers with XDMCP in dom0 on the virtual consoles
of your choice. You can have them pinned down to certain domUs
or have the XDMCP client broadcast/multicast for the active
domUs to service.

You could even have particular domUs bring up SDL on a particular
X display in recent Xen implementations through a config option
(is it display?).


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