[Openstack] Forcing a VM to a specific node in grizzly

Anne Gentle anne at openstack.org
Mon Apr 1 02:06:28 UTC 2013


Woops, hit send too soon.

I made the doc change based on this mailing list post by Phil Day.
https://lists.launchpad.net/openstack/msg19784.html
 Which was in this doc bug:
https://bugs.launchpad.net/openstack-manuals/+bug/1096168

Phil, can you verify on a grizzly install and post the correct commands and
results?

Thanks,
Anne


On Sat, Mar 30, 2013 at 9:56 PM, Vishvananda Ishaya
<vishvananda at gmail.com>wrote:

> I wasn't aware that force_hosts actually works. Someone should probably
> verify. The availability zone method still works in grizzly.
>
> Vish
>
> On Mar 30, 2013, at 6:42 PM, Lorin Hochstein <lorin at nimbisservices.com>
> wrote:
>
> I see that in grizzly an admin can use a scheduler hint to force a VM to
> launch on a particular host, e.g.:
>
> nova boot --image 1 --flavor 2 --key_name test --hint force_hosts=server2
> my-first-server
> (from:
> http://docs.openstack.org/trunk/openstack-compute/admin/content/specify-host-to-boot-instances-on.html
> )
>
> In Folsom, an admin could do this with the availability zone flag:
>
> nova boot --image <uuid> --flavor m1.tiny --key_name test
> --availability-zone nova:server2
>
> (from:
> http://docs.openstack.org/trunk/openstack-compute/admin/content/specify-zone-to-boot-instances-on.html
> )
>
> Does the second method work in grizzly as well? If so, should we recommend
> one approach over the other in the docs?
>
> Lorin
>
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