[Openstack] [OpenStack][Nova] deference between live-migration and migrate

Christian Berendt berendt at b1-systems.de
Fri May 25 10:49:47 UTC 2012


Hey Eric.

On 05/25/2012 10:54 AM, Eric Luo wrote:
> I know that live-migration means "live migration" of an instance.

Yes. Premise is that you use shared storage.

> But what is this "migrate  “ for ?       And what does "Migrate a
> server." mean here :)    Does it mean "Migrates a *non-running *instance
> to a new machine" here?

For migration you don't need shared storage, local storage is
sufficient. The instance will be stopped and afterwards will be moved to
the target system of the migration.

HTH, Christian.

-- 
Christian Berendt
Solution Architect
Mail: berendt at b1-systems.de

B1 Systems GmbH
Osterfeldstraße 7 / 85088 Vohburg / http://www.b1-systems.de
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