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Re: [Xen-users] Easiest OS to use for xen 4.0?

I don't know if this is applicable but generally what you can do with XenServer you can do with XCP.


Not sure if this is what you need or not. If *I were wanting to run Xen 4.x on Linux I'd install CentOS, add the gitco repos and update it there. http://www.gitco.de/repo/
I don't run Xen 4.0 but my tutorial on this process for Xen 3.4 on CentOS may help. I haven't tried it for Xen4. The gitco repos do have Xen 4 though so you'll need to change the tutorial slightly.


Grant McWilliams

On Thu, Aug 25, 2011 at 12:35 PM, Beasley, Julien <Julien.Beasley@xxxxxxx> wrote:
The reason I need Xen 4 specifically is that I need to use PCI-passthrough from graphics card with multiple GPUs -- from (http://wiki.xen.org/xenwiki/XenPCIpassthrough)

   ÂIf you want to manually override this in Xen 4.0.0 or newer you can specify "pci-passthrough-strict-check no" in /etc/xen/xend-config.sxp, and after restarting xend passthru code won't give this error anymore. In some (many?) cases PCI passthru can work after this change.

So it seems this is only supported in Xen 4. So let me ask the question again, now that I understand my own requirements better :)

What is the easiest OS to use for XEN 4 dom0?

I've also been experimenting with XCP, which has worked great so far, but the problem I'm having is setting the PCI-passthrough from the snippet above. The configuration is different in XCP than in Xen, there's no xend-config.sxp to modify (at least not that I've found). So I'm okay with *either* a dom0 that supports Xen 4 (OpenSuSE was not good for this as the networking didnât work out of the box), or a way to configure XCP to do PCI-passthrough as per the snippet above.

Any thoughts?

Thank you!


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