Hi, On 09 Jul 2014, at 14:44, Robert van Leeuwen <Robert.vanLeeuwen at spilgames.com> wrote: >> I cannot add a new OSD to a current Ceph cluster. >> It just hangs, here is the debug log: >> This is ceph 0.72.1 on CentOS. > > Found the issue: > Although I installed the specific ceph (0.72.1) version the latest leveldb was installed. > Apparently this breaks stuff? Which leveldb from where? 1.12.0-5 that tends to be in el6/7 repos is broken for Ceph. You need to remove the ?basho fix? patch. 1.7.0 is the only readily available version that works, though it is so old that I suspect it is responsible for various issues we see. Cheers, Dan > > Cheers, > Robert van Leeuwen > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com