On Thu, Jun 7, 2018 at 5:12 AM, Tracy Reed <treed@xxxxxxxxxxxxxxx> wrote: > > Hello all! I'm running luminous with old style non-bluestore OSDs. ceph > 10.2.9 clients though, haven't been able to upgrade those yet. > > Occasionally I have access to rbds hang on the client such as right now. > I tried to dd a VM image into a mapped rbd and it just hung. > > Then I tried to map a new rbd and that hangs also. > > How would I troubleshoot this? /var/log/ceph is empty, nothing in > /var/log/messages or dmesg etc. > > I just discovered: > > find /sys/kernel/debug/ceph -type f -print -exec cat {} \; > > which produces (among other seemingly innocuous things, let me know if > anyone wants to see the rest): > > osd2 (unknown sockaddr family 0) 0% (doesn't exist) 100% > > which seems suspicious. Can you paste the entire output of that command? Which kernel are you running on the client box? Thanks, Ilya _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com