You can turn off the MDS and create a new FS in new pools. The ability
to shut down a filesystem more completely is coming in Giant.
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com


On Fri, Sep 12, 2014 at 1:16 PM, LaBarre, James  (CTR)      A6IT
<james.laba...@cigna.com> wrote:
> We were building a test cluster here, and I enabled MDS in order to use
> ceph-fuse to fill the cluster with data.   It seems the metadata server is
> having problems, so I figured I’d just remove it and rebuild it.  However,
> the “ceph-deploy mds destroy” command is not implemented; it appears that
> once you have created an MDS, you can’t get rid of it without demolishing
> your entire cluster and building from scratch.   And since the cluster is
> already out of whack, there seems to be no way to even drop OSDs to restart
> it cleanly.
>
>
>
> Should I just reboot all the OSD nodes and the monitor node, and hope the
> cluster comes up in a usable fashion?  Because there seems no other option
> short of  the burn-down and rebuild.
>
>
>
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