On Tue, Sep 11, 2018 at 1:00 PM Tobias Florek <c...@ibotty.net> wrote:
>
> Hi!
>
> I have a cluster serving RBDs and CephFS that has a big number of
> clients I don't control.  I want to know what feature flags I can safely
> set without locking out clients.  Is there a command analogous to `ceph
> versions` that shows the connected clients and their feature support?

Yes, "ceph features".

https://ceph.com/community/new-luminous-upgrade-complete/

Thanks,

                Ilya
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