Open Stack

On Wed, Oct 12, 2016 at 11:58 AM, Kris G. Lindgren
<klindgren at godaddy.com> wrote:
> We don’t use shared storage at all.  But I do remember what you are talking about.  The issue is that compute nodes weren’t aware they were on shared storage, and would nuke the backing mage from shared storage, after all vm’s on *that* compute node had stopped using it. Not after all vm’s had stopped using it.
>
> https://bugs.launchpad.net/nova/+bug/1620341 - Looks like some code to address that concern has landed  but only in trunk maybe mitaka.  Any stable releases don’t appear to be shared backing image safe.
>
> You might be able to get around this by setting the compute image manager task to not run.  But the issue with that will be one missed compute node, and everyone will have a bad day.

Cool, thanks Kris. Exactly what I was talking about. I'm on Mitaka,
and I will look into that bugfix. I guess I need to test this lol.

Thanks,
Curtis.

>
> ___________________________________________________________________
> Kris Lindgren
> Senior Linux Systems Engineer
> GoDaddy
>
> On 10/12/16, 11:21 AM, "Curtis" <serverascode at gmail.com> wrote:
>
>     Hi All,
>
>     I've never used NFS with OpenStack before. But I am now with a small
>     lab deployment with a few compute nodes.
>
>     Is there anything special I should do with NFS and glance and nova? I
>     remember there was an issue way back when of images being deleted b/c
>     certain components weren't aware they are on NFS. I'm guessing that
>     has changed but just wanted to check if there is anything specific I
>     should be doing configuration-wise.
>
>     I can't seem to find many examples of NFS usage...so feel free to
>     point me to any documentation, blog posts, etc. I may have just missed
>     it.
>
>     Thanks,
>     Curtis.
>
>     _______________________________________________
>     OpenStack-operators mailing list
>     OpenStack-operators at lists.openstack.org
>     http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>
>



-- 
Blog: serverascode.com