I've got a custom named cluster integrated with Openstack (Juno) and didn't run into any hard-coded name issues that I can recall. Where are you seeing that?
As to the name change itself, I think it's really just a label applying to a configuration set. The name doesn't actually appear *in* the configuration files. It stands to reason you should be able to rename the configuration files on the client side and leave the cluster alone. It'd be with trying in a test environment anyway.
-Erik
On Aug 18, 2015 7:59 AM, "Jan Schermer" <jan@xxxxxxxxxxx> wrote:
This should be simple enough
mv /etc/ceph/ceph-prod.conf /etc/ceph/ceph.conf
No? :-)
Or you could set this in nova.conf:
images_rbd_ceph_conf=/etc/ceph/ceph-prod.conf
Obviously since different parts of openstack have their own configs, you'd have to do something similiar for cinder/glance... so not worth the hassle.
Jan
> On 18 Aug 2015, at 13:50, Vasiliy Angapov <angapov@xxxxxxxxx> wrote:
>
> Hi,
>
> Does anyone know what steps should be taken to rename a Ceph cluster?
> Btw, is it ever possbile without data loss?
>
> Background: I have a cluster named "ceph-prod" integrated with
> OpenStack, however I found out that the default cluster name "ceph" is
> very much hardcoded into OpenStack so I decided to change it to the
> default value.
>
> Regards, Vasily.
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