The daemons print this in their debug logs on every boot. (There might be a minimum debug level required, but I think it's at 0!) -Greg On Mon, Nov 9, 2015 at 7:23 AM, Wido den Hollander <wido@xxxxxxxx> wrote: > Hi, > > Recently I got my hands on a Ceph cluster which was pretty damaged due > to a human error. > > I had no ceph.conf nor did I have any original Operating System data. > > With just the MON/OSD data I had to rebuild the cluster by manually > re-writing the ceph.conf and installing Ceph. > > The problem was, I didn't know which Ceph version the cluster was > running, nor did anybody inside the company I was fixing the cluster for. > > Would it be an idea if both the MON and OSD daemons would write a file > called "ceph_version" in their data directory after every succesfull > startup? > > In this case I figured it was probably Firefly or Hammer, so I started > with Firefly. That failed to start, so I tried Hammer. That worked. But > it could also have been Giant, I didn't know. > > If this is a useful idea I can create a issue in the tracker for it. > > Wido > _______________________________________________ > 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