[Openstack-operators] [nova] Recovering instances from old system

Abel Lopez alopgeek at gmail.com
Fri Jan 8 16:26:30 UTC 2016


I would expect that if you have the databases in place, and they went through the proper migrations, that your instances would still be there.
You can check the nova database instances table using the uuid.

How exactly did you 'wipe everything clean'?

> On Jan 7, 2016, at 5:35 PM, Liam Haworth <liam.haworth at bluereef.com.au> wrote:
> 
> Hey guys,
> 
> I just recently rebuilt the OpenStack infrastructure at my work to upgrade from Juno to Liberty, before wiping everything clean I made dumps of all the databases and the instances where persisted though the upgrade via NFS.
> 
> Now that I have the infrastructure up and going again I was wondering what would be the best way to import the instances back in, I understand I may need to change some fields in the database dumps to change project ids and such but I just wanted to get some input on if this is a good idea or if there is a better way to do this?
> 
> Kind regards,
> --
> Liam Haworth | Junior Software Engineer | www.bluereef.com.au <http://www.bluereef.com.au/>
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