[Openstack-operators] Passing additional parameters to KVM for a single instance

Flint WALRUS gael.therond at gmail.com
Fri Jan 26 16:59:00 UTC 2018

I would rather suggest you to deal with flavor/images metdata and host
aggregate for such segregation of cpu capacity and versionning.

If someone have another technics I’m pretty curious of it too.
Le ven. 26 janv. 2018 à 17:00, Gary Molenkamp <molenkam at uwo.ca> a écrit :

> I'm trying to import a Solaris10 image into Ocata that is working under
> libvirt/KVM on a Fedora workstation.  However, in order for the kvm
> instance to work, it needs a few additional parameters to qemu that I
> use in the libvirt XML file:
>   <cpu match='exact'>
>      <model fallback='allow'>Westmere</model>
>    </cpu>
>   <qemu:commandline>
>       <qemu:arg value='-no-kvm-irqchip'/>
>    </qemu:commandline>
> For the first parameter, I know I could modify the /etc/nova/nova.conf
> of the entire hypervisor on the compute node to Westmere and limit
> instances to that hypervisor, but that limits additional instances on
> that compute node.   Is there a way to instruct nova to use a westmere
> cpu for a single instance?
> Likewise, how can I pass the -no-kvm-irqchip option for instances of
> this image?
> Any pointers would be appreciated.
> Thanks
> --
> Gary Molenkamp                  Computer Science
> Systems Administrator           University of Western Ontario
> molenkam at uwo.ca                 http://www.csd.uwo.ca
> (519) 661-2111 x86882           (519) 661-3566
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