Seems like an attribute that could be added to instance types / flavors that could be passed on to the scheduler and virt layers.
Nate On Jun 21, 2012 2:12 PM, "Daniel P. Berrange" <berra...@redhat.com> wrote: > On Fri, Jun 22, 2012 at 12:17:11AM +0800, Huang Zhiteng wrote: > > Of course it is possible. What kind of issue did you run into? > > > > On Thu, Jun 21, 2012 at 5:52 PM, Wang Li <fox...@gmail.com> wrote: > > > hi,all > > > > > > I need to run virtual machines on Xen Hypervisor in HVM mode, > > > is it possible when using libvirt? > > Actually, this is not currently possible. For reasons I don't > know, the libvirt driver currently hardcodes use of paravirtualized > guests when connected to Xen hosts. It does not allow use of HVM > guests. There's no particularly good technical reason why it can't > be made to work. There'd need to be a way to tag instance types > with HVM vs paravirt, in addition to their architecture. The > libvirt driver would have to expose whether each host supports > paravirt or HVM or both. The schedular would then have to take > this into account when placing guests. > > Until this is done, if you really need to run HVM guests, then > you'll have to use KVM instead of Xen. > > Regards, > Daniel > -- > |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/:| > |: http://libvirt.org -o- http://virt-manager.org:| > |: http://autobuild.org -o- http://search.cpan.org/~danberr/:| > |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc:| > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp >
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