On Mon, May 21, 2012 at 5:38 AM, Felix Feinhals <ff@xxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hi Josh, > > i quoted the trace and some other stats in my first email, maybe it > got stuck in the spam filters. > Well next try: > > snip > > -3> 2012-05-10 14:52:29.509940 7fb1c9351700 1 mds.0.40 handle_mds_map > i am now mds.0.40 > -2> 2012-05-10 14:52:29.509956 7fb1c9351700 1 mds.0.40 handle_mds_map > state change up:reconnect --> up:rejoin > -1> 2012-05-10 14:52:29.509963 7fb1c9351700 1 mds.0.40 rejoin_joint_start > 0> 2012-05-10 14:52:29.512503 7fb1c9351700 -1 *** Caught signal > (Segmentation fault) ** > in thread 7fb1c9351700 > > ceph version 0.46 (commit:cb7f1c9c7520848b0899b26440ac34a8acea58d1) > 1: ceph-mds() [0x814279] > 2: (()+0xeff0) [0x7fb1cddbfff0] > 3: (SnapRealm::have_past_parents_open(snapid_t, snapid_t)+0x4f) [0x6cb5ef] > 4: (MDCache::check_realm_past_parents(SnapRealm*)+0x2b) [0x55d58b] > 5: (MDCache::choose_lock_states_and_reconnect_caps()+0x29c) [0x572eec] > 6: (MDCache::rejoin_gather_finish()+0x90) [0x5931a0] > 7: (MDCache::rejoin_send_rejoins()+0x2c05) [0x59b9d5] > 8: (MDS::rejoin_joint_start()+0x131) [0x4a8721] > 9: (MDS::handle_mds_map(MMDSMap*)+0x2c4a) [0x4c253a] > 10: (MDS::handle_core_message(Message*)+0x913) [0x4c4513] > 11: (MDS::_dispatch(Message*)+0x2f) [0x4c45ef] > 12: (MDS::ms_dispatch(Message*)+0x1fb) [0x4c628b] > 13: (SimpleMessenger::dispatch_entry()+0x979) [0x7acb49] > 14: (SimpleMessenger::DispatchThread::entry()+0xd) [0x7336ed] > 15: (()+0x68ca) [0x7fb1cddb78ca] > 16: (clone()+0x6d) [0x7fb1cc63f92d] There's nothing obvious here — can you run gdb on the core and get another backtrace and the info from levels 3-5? > snip > > I though ceph chooses which MDS is active and which is standby, i just > have 3 in the cluster config: Yes, it does — if you don't increase the number of allowed MDSes you'll just get one of them active. -Greg -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
