On Thu, Nov 2, 2017 at 11:16 AM, Hans van den Bogert <hansbogert@xxxxxxxxx> wrote: > Hi all, > > During our upgrade from Jewel to Luminous I saw the following behaviour, if > my memory serves me right: > > When upgrading for example monitors and OSDs, we saw that the `ceph > versions` command correctly showed at one that some OSDs were still on Jewel > (10.2.x) and some were already upgraded and thus showed a version of 12.2.0. > All as expected -- however, for the RGWs, those only showed up until they > were upgraded to luminous. So the command gives a false sense of a complete > overview of the Ceph cluster, e.g., in my case this resulted that I forgot > about 4 out of 6 RGW instances which were still on Jewel. > > What are the semantics of the `ceph versions` ? -- Was I wrong in expecting > that Jewel RGWs should show up there? RGW daemons reporting metadata to the mon/mgr daemons is a new features in luminous -- older RGW daemons are effectively invisible to us, so Jewel daemons will not show up at all in the versions output. John > > Thanks, > > Hans > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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