[Openstack] OpenStack support: KVM vs. QEMU

John Paul Walters jwalters at isi.edu
Tue May 8 21:27:19 UTC 2012


What about PCI passthrough?  I'm not certain, because I've never tried it without KVM, but I'd be surprised if it worked outside of KVM.

JP



On May 8, 2012, at 4:30 PM, Razique Mahroua wrote:

> Hi Lorin,
> not that I'm aware off. In fact, even out from Nova, both have the similar features. The only doubt I have is the implementation called "snapshot2" which is a blueprint at Qemu, but any other features are common for both. Appart the speed dev. I thnik the KVM team tries to stick to the qemu dev. when it comes to features
> Razique
>  
> Nuage & Co - Razique Mahroua 
> razique.mahroua at gmail.com
> 
> <NUAGECO-LOGO-Fblan_petit.jpg>
> 
> Le 8 mai 2012 à 22:08, Lorin Hochstein a écrit :
> 
>> Are there any Nova features that work with KVM but don't work with QEMU? Either way, I'd like to capture this in the documentation
>> 
>> I know that KVM is faster than QEMU because of hardware support, but I don't know if there's additional functionality that only works with KVM. The Hypervisor support matrix wiki page <http://wiki.openstack.org/HypervisorSupportMatrix> has no specific information on OpenStack features supported by KVM but not QEMU
>> 
>> 
>> Take care,
>> 
>> Lorin
>> --
>> Lorin Hochstein
>> Lead Architect - Cloud Services
>> Nimbis Services, Inc.
>> www.nimbisservices.com
>> 
>> 
>> 
>> 
>> 
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