[Openstack-operators] VM migration in OpenStack kilo

Matt Riedemann mriedem at linux.vnet.ibm.com
Fri May 29 00:44:03 UTC 2015

On 5/26/2015 11:55 PM, Abhishek Talwar wrote:
> Hi Folks,
> I have a doubt regarding VM migration in single-node Openstack kilo
> installation. As all the services run on a single host in single node
> installation and we have only 1 available compute host, so how does the
> VM get migrated and where does it get migrated because we do not have
> another compute host available ?
> Kindly provide some information on this.
> Regards
> Abhishek Talwar
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On a single compute host it doesn't migrate, it resizes and by default 
that's not allowed.  You have to set allow_resize_to_same_host=True in 
nova.conf and restart nova-compute.



Matt Riedemann

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