openstack team mailing list archive

["Daniel P. Berrange" <berrange@xxxxxxxxxx>]

On Thu, Jan 12, 2012 at 07:36:59PM -0200, Rogério Vinhal Nunes wrote:
> I really need some help in getting this to work. This seems pretty simple,
> just tell nova-compute to ignore any instance named Domain-0 (actually it
> could ignore any instance not named 'instance-XXXXXXXX'). As there is a
> libvirt type to connect to xen, it is in openstack interest to fix this. As
> I did make it work with a flawed old libvirt in Ubuntu 10.04, this seems
> close to working.

To be generally applicable to any libvirt driver, you should check for
domain ID == 0.  Libvirt reserves the domain ID 0, to refer to the VM
representing the host OS, if any. This is why all LXC/KVM guests start
from number 1 instead.

Regards,
Daniel
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