For cephfs you can run the following on the server with the current active mds:
ceph daemon mds.$(hostname) session ls Paul 2018-05-29 21:20 GMT+02:00 Reed Dier <reed.d...@focusvq.com>: > 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 <paul.emmer...@croit.io> wrote: > > https://github.com/ceph/ceph/pull/17535 > It's not in Luminous, though. > > Paul > > 2018-05-29 9:41 GMT+02:00 Linh Vu <v...@unimelb.edu.au>: > >> Ah I remember that one, I still have it on my watch list on >> 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 <massimo.sgarava...@gmail.com> >> *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 >> >> See also: >> >> http://tracker.ceph.com/issues/21315 >> >> Cheers, Massimo >> >> On Tue, May 29, 2018 at 8:39 AM, Linh Vu <v...@unimelb.edu.au> 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 >> ceph-users@lists.ceph.com >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >> >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@lists.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 > > croit GmbH > Freseniusstr. 31h > 81247 München > www.croit.io > Tel: +49 89 1896585 90 > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.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 croit GmbH Freseniusstr. 31h 81247 München www.croit.io Tel: +49 89 1896585 90
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