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
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