[rdo-dev] qemu-kvm vs qemu-kvm-rhev requirement

Haïkel Guémar hguemar at redhat.com
Tue Jun 5 08:46:34 UTC 2018

On 06/05/2018 10:26 AM, Kashyap Chamarthy wrote:
> On Mon, Jun 04, 2018 at 09:41:07PM +0300, Roman Kagan wrote:
>> Not so long ago openstack-nova started to require qemu-kvm-rhev instead
>> of qemu-kvm.
>> This made it impossible to install on Virtuozzo, which used to work well
>> before the change.
> I think Virtuozzo is based on CentOS.
>> I skimmed through the related tickets
>> https://bugzilla.redhat.com/show_bug.cgi?id=1367696
>> https://review.rdoproject.org/r/1900
>> https://bugzilla.redhat.com/show_bug.cgi?id=1392820
>> https://review.rdoproject.org/r/9858
>> but failed to understand the motivation behind this change.  What are
>> those particular features that are only present in qemu-kvm-rhev and
>> make the vendor-neutral requirement insufficient?  So far we didn't
>> notice any issues running recent enough QEMU with Nova, but I guess this
>> must have changed.
> Dan has already responded.  In short, 'qemu-kvm-rhev' is the recommended
> RPM for Red Hat OSP.
>      - - -
> FYI, a related change that will get shortly pushed to RDO Nova spec (and
> to "Queens" branch too):
>      https://review.rdoproject.org/r/#/c/13277/ -- Bump the minimum
>      version of 'qemu-kvm-rhev' & libvirt
>> I'm now trying to figure out what is needed to make our QEMU package
>> work with Nova; any help will be appreciated.
>> Thanks,
>> Roman.

Maybe the missing information is that qemu-kvm-ev is provided by the 
CentOS Virt SIG => https://cbs.centos.org/koji/packageinfo?packageID=539

If you use the release packages provided by RDO or CentOS extras, 
repositories are correctly setup to retrieve it.


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