[Openstack] [Nova] Proposed removal of the PowerVM driver
Matt Riedemann
mriedem at linux.vnet.ibm.com
Sat Mar 22 01:52:19 UTC 2014
On 3/21/2014 6:45 PM, Florian Chazal wrote:
> Hi All,
>
> Better late that never:
>
> Since few weeks we are testing IBM Power System R2 server and we were
> evaluating the capability to go on a larger scale. We are lacking of
> information regarding PowerKVM status and PowerVC so we began to try
> Havana + powerVM:
> The launch of a VM went well (except an issue with glance which does not
> gzip the image ... troubleshoot in process) but how does it works
> regarding the network ? What type of network configuration it has been
> tested with ?
>
> Thank you in advance,
>
> Florian CHAZAL
>
>
> On 25 November 2013 08:26, Matt Riedemann <mriedem at linux.vnet.ibm.com
> <mailto:mriedem at linux.vnet.ibm.com>> wrote:
>
>
>
> On Monday, November 25, 2013 10:14:00 AM, Anne Gentle wrote:
>
>
>
>
> On Mon, Nov 25, 2013 at 5:10 AM, Thierry Carrez
> <thierry at openstack.org <mailto:thierry at openstack.org>
> <mailto:thierry at openstack.org <mailto:thierry at openstack.org>>__>
> wrote:
>
> Chuck Short wrote:
> > On Fri, Nov 22, 2013 at 4:45 PM, Michael Still
> <mikal at stillhq.com <mailto:mikal at stillhq.com>
> <mailto:mikal at stillhq.com <mailto:mikal at stillhq.com>>
> > <mailto:mikal at stillhq.com <mailto:mikal at stillhq.com>
> <mailto:mikal at stillhq.com <mailto:mikal at stillhq.com>>>> wrote:
> >
> >> So, a few questions...
> >>
> >> - If there are no users shall we remove it from
> Havana and
> Grizzly as
> >> well, or does that violate our stability principles
> too much?
> >
> >
> > Speaking with my stable maintainers hat on I would personally
> NACK this
> > since
> > it doesnt meet the standard of a stable maintenance
> requirement,
> imho.
>
> It definitely doesn't meet our stable maintenance rules. We
> want
> people
> to be able to safely upgrade to the latest stable/* when
> they are
> users
> of the release. We don't add new features, removing them
> would be even
> worse.
>
> >> - If we don't remove the code from stable, what about
> removing all
> >> references from the stable docs and putting in a warning
> saying that
> >> powervm is a dead end instead? I want to minimise
> confusion
> on the
> >> part of people deploying stable releases.
> >
> > This would be okay in my opinion.
>
> At the very minimum I would add the "dead-end" comment to
> the Havana
> release notes. If Anne is fine by it, it could also be
> added to the
> stable/havana version of the docs.
>
>
> PowerVM was mostly documented in developer docs in the nova repo. It
> also has entries in the Configuration Reference in the nova.conf
> options tables from our autodoc process. Those will just stay in the
> stable/havana repo, but I'm okay with backporting a note to
> stable/havana with a clear message as to the driver's fate. We also
> have a mention of PowerVM in stable/grizzly where we could also
> place
> a note. Release notes are a good place for this as well, thanks
> Russell.
>
> Tracking with
> https://bugs.launchpad.net/__openstack-manuals/+bug/1254780
> <https://bugs.launchpad.net/openstack-manuals/+bug/1254780> --
> feel free
> to add the nova project as well to ensure the docs in the nova repo
> are removed.
>
> I do want to point out that we don't have adequate documentation of
> other drivers, like Hyper-V and Xen, just want to make sure you all
> know there are gaps and documentation isn't the indicator of
> "acceptance" of a hypervisor driver.
> Thanks -
> Anne
>
> --
> Thierry Carrez (ttx)
>
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>
> Also to relay what was discussed in nova IRC this morning, this
> topic is on the release meeting agenda for tomorrow:
>
> https://wiki.openstack.org/__wiki/Meetings/ProjectMeeting#__Agenda_for_next_meeting
> <https://wiki.openstack.org/wiki/Meetings/ProjectMeeting#Agenda_for_next_meeting>
>
> --
>
> Thanks,
>
> Matt Riedemann
>
>
>
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>
> --
> Florian Chazal
Hi Florian,
Some details on what testing we did internally with running Tempest:
- Controller/Compute Node: RHEL 6.3-6.5, Fedora 19 ppc64
- Hypervisor: PowerVM IVM 2.2.2.0+
- Platform: P7 and P7+ Racks, Blades, ITEs
- Networking:
- Neutron + Open vSwitch: Flat, VLAN - IPv4 only
- nova-network: Flat
- Cinder Storage Driver: Storwize/SVC 6.4.1/6.4.2 for FC
There are some teams here working on getting a PowerVC nova virt driver
into Stackforge.
--
Thanks,
Matt Riedemann
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