[Openstack] [Nova] Proposed removal of the PowerVM driver
chuck.short at canonical.com
Sat Nov 23 04:31:02 UTC 2013
On Fri, Nov 22, 2013 at 4:45 PM, Michael Still <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
it doesnt meet the standard of a stable maintenance requirement, imho.
> - 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.
> - And finally, as someone who spent a bunch of time reviewing powervm
> code I will admit that I'm kind of annoyed right now. How can IBM
> reassure us that powervc has customers asking for a driver, and that
> those customers will actually deploy a driver if one is merged? Given
> kvm for power is now announced and should be around in 2014, I'd much
> prefer a powerkvm through libvirt implementation to minimise the
> number of drivers.
This can be said for any number of drivers in the virt layer. For example,
vmware might want to introduce a new product and have a new Openstack
driver, deprecating what we have in Openstack now. I would take a wait and
see approach to what happens.
> On Sat, Nov 23, 2013 at 6:36 AM, Tim Bell <Tim.Bell at cern.ch> wrote:
> > There was only one response in the user survey that the cloud was using
> > Given IBM's request to drop the function, my analysis of the survey data
> says that this would not cause disruption for the deployments who reported
> their configurations.
> > Thus, an accelerated depreciation schedule would seem appropriate. I
> would recommend an e-mail to the openstack operations list to confirm that
> there are no objections.
> > Tim
> >> -----Original Message-----
> >> From: Thierry Carrez [mailto:thierry at openstack.org]
> >> Sent: 22 November 2013 17:25
> >> To: openstack at lists.openstack.org
> >> Cc: Tim Bell; Ryan Lane
> >> Subject: Re: [Openstack] [Nova] Proposed removal of the PowerVM driver
> >> Russell Bryant wrote:
> >> > The maintainers of the PowerVM driver have proposed that it be removed
> >> > from Nova. Their reasons are:
> >> >
> >> > - it is no longer in line with IBM's strategic direction with
> >> > OpenStack
> >> >
> >> > - they are not aware of anyone ever having used the driver (outside
> >> > the team that developed and maintained it)
> >> >
> >> > The second point is quite important. If anyone is using it that they
> >> > do not know of, we need to find out. Normally we would approach
> >> > something like this with a phased deprecation plan (mark it deprecated
> >> > in Icehouse, remove it in J). There is a non-zero cost to keeping the
> >> > code, so if we can remove it immediately, there is some benefit to
> >> > Nova development.
> >> >
> >> > If you have an interest in this driver, please speak now.
> >> According to the user survey there was *1* deployment that reported
> using PowerVM:
> >> Maybe the user committee could help us make sure that user knows about
> this plan ?
> >> --
> >> Thierry Carrez (ttx)
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