[openstack-dev] [nova] no more expand/contract for live upgrade?

Dulko, Michal michal.dulko at intel.com
Fri Mar 18 08:48:40 UTC 2016

On Fri, 2016-03-18 at 08:27 +0000, Tan, Lin wrote:
> Hi,
> I noticed that expand/migrate/contract was revert in https://review.openstack.org/#/c/239922/
> There is a new CMD 'online_data_migrations' was introduced to Nova and some data-migration scripts have been added.
> So I wonder will Nova keep expand the DB schema at beginning of live upgrade like before Or Nova have some new ways to handle DB Schema change?
> The upgrade doc was not update for a long time.... http://docs.openstack.org/developer/nova/upgrade.html
> Thanks a lot.
> Best Regards,
> Tan

[1] will help you understand current way of doing live schema upgrades.

[1] http://www.danplanet.com/blog/2015/10/07/upgrades-in-nova-database-migrations/

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