openstack team mailing list archive

[John Paul Walters <jwalters@xxxxxxx>]

Hi Boris,

We have GPU passthrough working with NVIDIA GPUs in Xen 4.1.2, if I recall correctly.  We don't yet have a stable Xen + Libvirt installation working, but we're looking at it.  Perhaps it would be worth collaborating since it sounds like this could be a win for both of us.

best,
JP


On Aug 16, 2012, at 9:31 AM, Boris-Michel Deschenes wrote:

> That would be great Jim,
> 
> I've built a cloud that uses CentOS+libvirt+Xen 4.1.3 to do GPU passthrough and I just love to be able to use libvirt with Xen, this setup makes a lot of sense to me since our main, bigger cloud is the standard libvirt+KVM, using libvirt across the board is great for us.
> 
> I'm following your work closely, the GPU cloud is still using libvirt+xend but when I move to Xen 4.2 my understanding is that I will need libvirt+xl (xenlight) so I guess there's still some work to be done in libvirt there...
> 
> The reason I want to move to Xen 4.2 is the GPU passthrough of NVIDIA GPUs... currently, with Xen 4.1.3, I successfully passthrough ATI GPUs only.
> 
> Boris
> 
> -----Message d'origine-----
> De : openstack-bounces+boris-michel.deschenes=ubisoft.com@xxxxxxxxxxxxxxxxxxx [mailto:openstack-bounces+boris-michel.deschenes=ubisoft.com@xxxxxxxxxxxxxxxxxxx] De la part de Jim Fehlig
> Envoyé : 18 juillet 2012 17:56
> À : John Garbutt
> Cc : openstack@xxxxxxxxxxxxxxxxxxx
> Objet : Re: [Openstack] What is the most commonly used Hypervisor and toolset combination?
> 
> John Garbutt wrote:
>> To my knowledge, if you want to use Xen, using XCP or XenServer (i.e. using XenAPI driver) is the way to go. If you look at the contributions to the drivers, you can have a good guess at who is using them.
>> 
>> I know people are going into production on XenAPI, not heard about Xen+libvirt in production. Having said this, I have seen some fixes to Folsom around Xen + libvirt, I think from SUSE?
>> 
> 
> Yes, I'm slowly working on improving support for xen.org Xen via the libvirt driver and hope to have these improvements in for the Folsom release.
> 
> Regards,
> Jim
> 
> 
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