[Openstack] [Nova] Proposed removal of the PowerVM driver

Florian Chazal florianchazal at gmail.com
Mon Mar 31 17:48:47 UTC 2014


Hi Matt,

Regarding your answer the driver seems to handle VLAN mode but I still
don't see how it can without a specific neutron plugin. From what I see
from the code there is no any call for IVM "mkdev -vlan" and "-tagid"
parameters.

Should I extend it myself or am I missing something ?

Regards,

Florian CHAZAL




On 21 March 2014 18:52, Matt Riedemann <mriedem at linux.vnet.ibm.com> wrote:

>
>
> 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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>>
>>
>>
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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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>>
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>>
>>     <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack>
>>
>>
>>
>>
>> --
>> 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
>
>


-- 
Florian Chazal
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