[openstack-dev] [Fuel][UX] Throw KVM\QEMU and leave Libvirt on Wizard

Andrey Danin adanin at mirantis.com
Mon Dec 21 15:12:40 UTC 2015


I suggest to call this item in the Wizard as "QEMU-KVM" with the following
description:
"Select this option if you want to use QEMU as a hypervisor with capability
of KVM acceleration."

On Mon, Dec 21, 2015 at 5:22 PM, Igor Kalnitsky <ikalnitsky at mirantis.com>
wrote:

> > Qemu is not a hypervisor This will be even more confusing.
>
> It looks like hypervisor much more than libvirt. Moreover, according
> to Wikipedia [1] (don't blame me guys) Qemu is Type-2 hypervisor.
>
> [1] https://en.wikipedia.org/wiki/Hypervisor
>
> > Today, when a user selects KVM, Fuel attempts to use KVM acceleration and
> > defaults to QEMU in the case that KVM acceleration is not possible.
>
> Sheena, are you sure it works this way? Some time ago we didn't
> support this. However, I fully support this idea and believe this is
> the way to go. In this case the hypervisor entry could be called
> something like  "Qemu (+ KVM if available)".
>
>
> On Mon, Dec 21, 2015 at 4:04 PM, Sheena Gregson <sgregson at mirantis.com>
> wrote:
> > We should collapse this into one entry - I don't have any preference on
> > the naming convention, but as Fuel checks to see whether the hardware is
> > capable of performing KVM acceleration, there's no reason to continue
> > giving a selection to the user regarding KVM.
> >
> > Today, when a user selects KVM, Fuel attempts to use KVM acceleration and
> > defaults to QEMU in the case that KVM acceleration is not possible.  We
> > should keep this behavior and make the entry a single KVM/QEMU selection
> > to eliminate the false perception of choice (and the ability for users to
> > select the incorrect option).
> >
> > -----Original Message-----
> > From: Bob Ball [mailto:bob.ball at citrix.com]
> > Sent: Monday, December 21, 2015 7:32 AM
> > To: OpenStack Development Mailing List (not for usage questions)
> > <openstack-dev at lists.openstack.org>
> > Subject: Re: [openstack-dev] [Fuel][UX] Throw KVM\QEMU and leave Libvirt
> > on Wizard
> >
> >> On Mon, Dec 21, 2015 at 1:43 PM, Igor Kalnitsky
> >> <ikalnitsky at mirantis.com>
> >> wrote:
> >> > What about hypervisor "Qemu", and checkbox option on Settings tab -
> >> > "Use KVM extension"?
> >> Qemu is not a hypervisor This will be even more confusing.
> >> I think "Libvirt" + some tooltip which says "Qemu and KVM" will be ok.
> >
> > Libvirt isn't a hypervisor either.  Note that Xen, Virtuozzo CT,
> Virtuozzo
> > VM, LXC and KVM on ppc64 and s390x are all valid hypervisors to use with
> > Libvirt and OpenStack (taken from
> > http://docs.openstack.org/developer/nova/support-matrix.html)
> >
> > Bob
> >
> >
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-- 
Andrey Danin
adanin at mirantis.com
skype: gcon.monolake
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