[ceph-users] Ceph versions not showing RGW

Hans van den Bogert hansbogert at gmail.com
Thu Nov 2 06:54:54 PDT 2017


Just to get this really straight, Jewel OSDs do send this metadata?
Otherwise I'm probably mistaken that I ever saw 10.2.x versions in the
output.

Thanks,

Hans

On 2 Nov 2017 12:31 PM, "John Spray" <jspray at redhat.com> wrote:

> On Thu, Nov 2, 2017 at 11:16 AM, Hans van den Bogert
> <hansbogert at gmail.com> 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 at lists.ceph.com
> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> >
>
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