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

Kashyap Chamarthy kchamart at redhat.com
Tue Jun 5 08:26:54 UTC 2018

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.


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