Possibly helpful, If you are able to hit your ceph-mgr dashboard in a web browser, I find it possible to see a table of currently connected cephfs clients, hostnames, state, type (userspace/kernel), and ceph version.
Assuming that the link is persistent, for me the url is ceph-mgr:7000/clients/1/ Or if that fails, the traversal for me from ceph-mgr:7000 is the folder icon in the lefthand menu, the specific filesystem, then in the top left it will say “Filesystem <yourcephfs> /n Clients: ### Detail…”. The “Detail…” link should lead you to the aforementioned link from above, with a table of all the cephfs clients. Hopefully thats helpful. Reed > On May 29, 2018, at 4:42 AM, Paul Emmerich <[email protected]> wrote: > > https://github.com/ceph/ceph/pull/17535 > <https://github.com/ceph/ceph/pull/17535> > It's not in Luminous, though. > > Paul > > 2018-05-29 9:41 GMT+02:00 Linh Vu <[email protected] > <mailto:[email protected]>>: > Ah I remember that one, I still have it on my watch list on tracker.ceph.com > <http://tracker.ceph.com/> > > Thanks 😊 > > Alternatively, is there a way to check on a client node what ceph features > (jewel, luminous etc.) it has? In our case, it's all CephFS clients, and it's > a mix between ceph-fuse (which is Luminous 12.2.5) and kernel client > (4.15.x). I suspect the latter is only supporting jewel features but I'd like > to confirm. > From: Massimo Sgaravatto <[email protected] > <mailto:[email protected]>> > Sent: Tuesday, 29 May 2018 4:51:56 PM > To: Linh Vu > Cc: ceph-users > Subject: Re: [ceph-users] Luminous cluster - how to find out which clients > are still jewel? > > As far as I know the status wrt this issue is still the one reported in this > thread: > > http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017-September/020585.html > > <http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017-September/020585.html> > > See also: > > http://tracker.ceph.com/issues/21315 <http://tracker.ceph.com/issues/21315> > > Cheers, Massimo > > On Tue, May 29, 2018 at 8:39 AM, Linh Vu <[email protected] > <mailto:[email protected]>> wrote: > Hi all, > > I have a Luminous 12.2.4 cluster. This is what `ceph features` tells me: > > ... > "client": { > "group": { > "features": "0x7010fb86aa42ada", > "release": "jewel", > "num": 257 > }, > "group": { > "features": "0x1ffddff8eea4fffb", > "release": "luminous", > "num": 820 > } > } > ... > > How do I find out which clients (IP/hostname/IDs) are actually on jewel > feature set? > > Regards, > Linh > > > > _______________________________________________ > ceph-users mailing list > [email protected] <mailto:[email protected]> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > <http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com> > > > > _______________________________________________ > ceph-users mailing list > [email protected] <mailto:[email protected]> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > <http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com> > > > > > -- > Paul Emmerich > > Looking for help with your Ceph cluster? Contact us at https://croit.io > <https://croit.io/> > > croit GmbH > Freseniusstr. 31h > 81247 München > www.croit.io <http://www.croit.io/> > Tel: +49 89 1896585 90 > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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