[Openstack-operators] glance, nova backed by NFS

James Penick jpenick at gmail.com
Wed Oct 12 18:34:39 UTC 2016


Are you backing both glance and nova-compute with NFS? If you're only
putting the glance store on NFS you don't need any special changes. It'll
Just Work.

On Wed, Oct 12, 2016 at 11:18 AM, Curtis <serverascode at gmail.com> wrote:

> 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
>
> _______________________________________________
> OpenStack-operators mailing list
> OpenStack-operators at lists.openstack.org
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack-operators/attachments/20161012/d894399e/attachment.html>


More information about the OpenStack-operators mailing list