On 18-08-15 14:13, Erik McCormick wrote: > 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. > To add to id, internally a Ceph cluster ONLY uses the fsid which you can find in the OSDMap and on all the data dirs of the OSDs. The cluster name is indeed nothing more then a reference to a specific configuration file. Wido > -Erik > > On Aug 18, 2015 7:59 AM, "Jan Schermer" <jan@xxxxxxxxxxx > <mailto: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 > <mailto: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. > > _______________________________________________ > > ceph-users mailing list > > ceph-users@xxxxxxxxxxxxxx <mailto:ceph-users@xxxxxxxxxxxxxx> > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx <mailto:ceph-users@xxxxxxxxxxxxxx> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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