On Wed, Oct 12, 2016 at 12:34 PM, James Penick <jpen...@gmail.com> wrote:
> 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.
I've got both glance and nova backed by NFS. Haven't put up cinder
yet, but that will also be NFS backed. I just have very limited
storage on the compute hosts, basically just enough for the operating
system; this is just a small but permanent lab deployment. Good to
hear that Glance will Just Work. :) Thanks!
> On Wed, Oct 12, 2016 at 11:18 AM, Curtis <serverasc...@gmail.com> wrote:
>> On Wed, Oct 12, 2016 at 11:58 AM, Kris G. Lindgren
>> <klindg...@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.
>> > ___________________________________________________________________
>> > Kris Lindgren
>> > Senior Linux Systems Engineer
>> > GoDaddy
>> > On 10/12/16, 11:21 AM, "Curtis" <serverasc...@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.
>> > _______________________________________________
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