Open Stack

Shelve completely dissociates from a node.

On Thu, Aug 18, 2016 at 4:21 PM, Kris G. Lindgren <klindgren at godaddy.com>
wrote:

> Does shelving an instance also free up the instances reservation against
> that node?  If it doesn’t I assume that’s why it still counts against their
> quota?  IE Nova is still trying to keep a slot open for them on that
> server, so when you unshelv does it go back to the same node or does it go
> to a new node?
>
>
>
> ___________________________________________________________________
>
> Kris Lindgren
>
> Senior Linux Systems Engineer
>
> GoDaddy
>
>
>
> *From: *David Medberry <openstack at medberry.net>
> *Date: *Thursday, August 18, 2016 at 3:49 PM
> *To: *"Jonathan D. Proulx" <jon at csail.mit.edu>
> *Cc: *"openstack-operators at lists.openstack.org" <
> openstack-operators at lists.openstack.org>
> *Subject: *Re: [Openstack-operators] Shelving
>
>
>
>
>
> On Thu, Aug 18, 2016 at 3:12 PM, Jonathan D. Proulx <jon at csail.mit.edu>
> wrote:
>
>
> True they do consume IPs.
>
> In my configuration they do not consume any hypervisor disk.  I
> *think* this is true of all configurations once the 'shelved' systems
> are 'offloaded'.
>
>
> i concur, that's the intent of shelving as I understand it, to free up the
> hypervisor by moving off of the hypervisor entirely. So in our case with
> libvirt, there are no "shut off" instance names listed with "virsh list
> --all". They truly are "shelved" with just glance storage (once they are
> "shelve-offload"ed).
>
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