Renaming pools used by CephFS

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On Fri, Sep 19, 2014 at 10:21 AM, Jeffrey Ollie <jeff at ocjtech.us> wrote:
> I've got a Ceph system (running 0.80.5) at home that I've been messing
> around with, partly to learn Ceph, but also as reliable storage for all of
> my media.  During the process I deleted the data and metadata pools used by
> CephFS and recreated them.  However, when I recreated the filesystem, the
> pool called "data" got assigned as a metadata pool and the pool called
> "metadata" got assigned as a data pool.
>
> Is there a safe way to rename the pools?  It's purely an aesthetic thing (I
> think), so if it's difficult/dangerous to do I'll leave it be.

You can rename pools with "ceph osd pool rename current_name new_name".
Generally it's not a good idea to mess around with the CephFS pools,
though ? in Giant  you'll be prevented from deleting them. ;)
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com


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