[Openstack-operators] Cloud Upgrade Strategies

Xav Paice xavpaice at gmail.com
Thu Mar 10 06:36:31 UTC 2016


On 10 March 2016 at 19:26, Yuriy Brodskiy <ybrodskiy at gmail.com> wrote:

> building a new cloud is not practical for real production environments.
> even if you can afford it, how do you migrate data?
>
> We have been doing upgrades for a while now, and came up with few basic
> principles:
> 1) you don't have to upgrade all at the same time. do it component at the
> time
> 2) stand up a new version along side of an existing one, test it and then
> flip DNS
>
> Take a look at presentation team did during Vancouver summit
>
> https://www.openstack.org/summit/vancouver-2015/summit-videos/presentation/10-minutes-openstack-upgrades-done
>
>
(replying to the list this time, and regretting using gmail)

I readily admit to not having watched that video (but will!) - one
question.  How do you deal with the db migration if you have two versions
running at the same time?

>
>
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