[Openstack] nova-network -> neutron migration docs and stories?

Tim Bell Tim.Bell at cern.ch
Sat Mar 18 08:49:18 UTC 2017

Ricardo from CERN gave a talk in Barcelona about our experiences. https://www.youtube.com/watch?v=54wp1yzC-d8

eBay was one of the first to migrate - http://superuser.openstack.org/articles/ebay-in-production-migration-from-nova-network-to-neutron/


From: joe <joe at topjian.net>
Date: Friday, 17 March 2017 at 22:52
To: Andrew Bogott <andrewbogott at gmail.com>
Cc: "openstack at lists.openstack.org" <openstack at lists.openstack.org>
Subject: Re: [Openstack] nova-network -> neutron migration docs and stories?

Hi Andrew,

NeCTAR published a suite of scripts for doing a nova-network to neutron migration: https://github.com/NeCTAR-RC/novanet2neutron

IIRC, another organization reported success with these scripts a few months ago on the openstack-operators list.

I'm currently doing some trial runs and all looks good. I had to make some slight modifications to account for IPv6 and floating IPs, but the scripts are very simple and readable, so it was easy to do. I'll probably post those modifications to Github in the next week or two.

We'll be doing the actual migration in May.

Hope that helps,

On Fri, Mar 17, 2017 at 2:18 PM, Andrew Bogott <abogott at wikimedia.org<mailto:abogott at wikimedia.org>> wrote:
    Googling for nova-network migration advice gets me a lot of hits but many are fragmentary and/or incomplete[1][2]  I know that lots of people have gone through this process, though, and that there are probably as many different solutions as there are migration stories.

    So:  If you have done this migration, please send me links! Blog posts, docpages that you found useful, whatever you have to offer.  We have lots of ideas about how to move forward, but it's always nice to not repeat other people's mistakes.  We're running Liberty with flat dhcp and floating IPs.



[1] https://wiki.openstack.org/wiki/Neutron/MigrationFromNovaNetwork/HowTo#How_to_test_migration_process
     ' TODO - fill in the migration process script here'

[2] https://www.slideshare.net/julienlim/openstack-nova-network-to-neutron-migration-survey-results
     Slide 4: 'Develop tools to facilitate migration.'  Did they?

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