On 04/01/2014 01:17 PM, Kenneth Waegeman wrote:
> Hi all,
>
> We have installed Ceph 0.78 on 3 hosts running SL6, each serving OSD and
> MON daemons, 2 of them running MDS in active/backup. Since today the MON
> and MDS daemons are crashing every time (after a short while). Rebooting
> the nodes didn't help. The cluster was running for 1-2 weeks without
> this problem. This is what's in the log files:
>
Something is going wrong on leveldb. What leveldb version are you using?
-Joao
>
>
> 2014-04-01 12:48:09.442819 7fa39cb1d700 0 log [INF] : mdsmap e67: 1/1/1
> up {0=ceph001.cubone.os=up:active(laggy or crashed)}
> 2014-04-01 12:48:09.442897 7fa39cb1d700 1
> mon.ceph001 at 0(leader).paxos(paxos active c 504009..504758) is_readable
> now=2014-04-01 12:48:09.442898 lease_expire=2014-04-01 12:48:14.442854
> has v0 lc 504758
> 2014-04-01 12:48:15.340419 7fa39d51e700 1
> mon.ceph001 at 0(leader).paxos(paxos updating c 504009..504758) is_readable
> now=2014-04-01 12:48:15.340420 lease_expire=2014-04-01 12:48:14.442854
> has v0 lc 504758
> 2014-04-01 12:48:15.340438 7fa39d51e700 1
> mon.ceph001 at 0(leader).paxos(paxos updating c 504009..504758) is_readable
> now=2014-04-01 12:48:15.340439 lease_expire=2014-04-01 12:48:14.442854
> has v0 lc 504758
> 2014-04-01 12:48:15.340443 7fa39d51e700 1
> mon.ceph001 at 0(leader).paxos(paxos updating c 504009..504758) is_readable
> now=2014-04-01 12:48:15.340444 lease_expire=2014-04-01 12:48:14.442854
> has v0 lc 504758
> 2014-04-01 12:48:22.260674 7fa39d51e700 1
> mon.ceph001 at 0(leader).paxos(paxos active c 504009..504759) is_readable
> now=2014-04-01 12:48:22.260676 lease_expire=2014-04-01 12:48:27.260625
> has v0 lc 504759
> 2014-04-01 12:48:22.260688 7fa39d51e700 1
> mon.ceph001 at 0(leader).paxos(paxos active c 504009..504759) is_readable
> now=2014-04-01 12:48:22.260689 lease_expire=2014-04-01 12:48:27.260625
> has v0 lc 504759
> 2014-04-01 12:48:22.260703 7fa39d51e700 1
> mon.ceph001 at 0(leader).paxos(paxos active c 504009..504759) is_readable
> now=2014-04-01 12:48:22.260704 lease_expire=2014-04-01 12:48:27.260625
> has v0 lc 504759
> 2014-04-01 12:48:22.292363 7fa39cb1d700 0 log [INF] : mon.ceph001
> calling new monitor election
> 2014-04-01 12:48:22.292428 7fa39cb1d700 1
> mon.ceph001 at 0(electing).elector(43) init, la2014-04-01 12:48:27.450606
> 7fa39d51e700 -1 *** Caught signal (Bus error) **
> in thread 7fa39d51e700
>
> ceph version 0.78 (f6c746c314d7b87b8419b6e584c94bfe4511dbd4)
> 1: /usr/bin/ceph-mon() [0x85e619]
> 2: /lib64/libpthread.so.0() [0x34c360f710]
> 3: (memcpy()+0x15b) [0x34c3289aab]
> 4: (()+0x3d4b2) [0x7fa3a0ae54b2]
> 5: (leveldb::log::Writer::EmitPhysicalRecord(leveldb::log::RecordType,
> char const*, unsigned long)+0x125) [0x7fa3a0acbe85]
> 6: (leveldb::log::Writer::AddRecord(leveldb::Slice const&)+0xe2)
> [0x7fa3a0acc092]
> 7: (leveldb::DBImpl::Write(leveldb::WriteOptions const&,
> leveldb::WriteBatch*)+0x38e) [0x7fa3a0ac0bde]
> 8:
> (LevelDBStore::submit_transaction_sync(std::tr1::shared_ptr<KeyValueDB::TransactionImpl>)+0x2b)
> [0x7c63eb]
> 9: (MonitorDBStore::apply_transaction(MonitorDBStore::Transaction
> const&)+0x183) [0x53c6b3]
> 10: (Paxos::begin(ceph::buffer::list&)+0x604) [0x5a2ca4]
> 11: (Paxos::propose_queued()+0x273) [0x5a3773]
> 12: (Paxos::propose_new_value(ceph::buffer::list&, Context*)+0x160)
> [0x5a3960]
> 13: (PaxosService::propose_pending()+0x386) [0x5ad946]
> 14: (Context::complete(int)+0x9) [0x580609]
> 15: (SafeTimer::timer_thread()+0x453) [0x768a33]
> 16: (SafeTimerThread::entry()+0xd) [0x76abed]
> 17: /lib64/libpthread.so.0() [0x34c36079d1]
> 18: (clone()+0x6d) [0x34c32e8b6d]
> NOTE: a copy of the executable, or `objdump -rdS <executable>` is
> needed to interpret this.
>
> --- begin dump of recent events ---
> -10000> 2014-04-01 12:37:41.891458 7fa39cb1d700 1 --
> 10.141.8.180:6789/0 --> mon.2 10.141.8.182:6789/0 -- paxos(lease lc
> 504309 fc 503758 pn 0 opn 0) v3 -- ?+0 0x6246e00
> -9999> 2014-04-01 12:37:41.891476 7fa39cb1d700 1 --
> 10.141.8.180:6789/0 <== mon.0 10.141.8.180:6789/0 0 ==== log(1 entries)
> v1 ==== 0+0+0 (0 0 0) 0x29f4380 con 0x2050840
> -9998> 2014-04-01 12:37:41.891487 7fa39cb1d700 1
> mon.ceph001 at 0(leader).paxos(paxos active c 503758..504309) is_readable
> now=2014-04-01 12:37:41.891488 lease_expire=2014-04-01 12:37:46.891457
> has v0 lc 504309
> -9997> 2014-04-01 12:37:41.893979 7fa39cb1d700 1 --
> 10.141.8.180:6789/0 <== mon.2 10.141.8.182:6789/0 672234191 ====
> paxos(lease_ack lc 504309 fc 503758 pn 0 opn 0) v3 ==== 80+0+0
> (2650854818 0 0) 0x6246e00 con 0x2051760
> -9996> 2014-04-01 12:37:42.087358 7fa39cb1d700 1 --
> 10.141.8.180:6789/0 <== mon.2 10.141.8.182:6789/0 672234192 ====
> forward(pg_stats(1 pgs tid 13980 v 0) v1 caps allow profile osd tid
> 57315 con_features 4398046511103) to leader v2 ==== 916+0+0 (3952263404
> 0 0) 0x6247580 con 0x2051760
> -9995> 2014-04-01 12:37:42.087395 7fa39cb1d700 1
> mon.ceph001 at 0(leader).paxos(paxos active c 503758..504309) is_readable
> now=2014-04-01 12:37:42.087396 lease_expire=2014-04-01 12:37:46.891457
> has v0 lc 504309
> -9994> 2014-04-01 12:37:42.890767 7fa39d51e700 5
> mon.ceph001 at 0(leader).paxos(paxos active c 503758..504309)
> queue_proposal bl 16145 bytes; ctx = 0x1fa6e90
> -9993> 2014-04-01 12:37:42.891438 7fa39d51e700 1 --
> 10.141.8.180:6789/0 --> mon.2 10.141.8.182:6789/0 -- paxos(begin lc
> 504309 fc 0 pn 1800 opn 0) v3 -- ?+0 0x369d000
> -9992> 2014-04-01 12:37:42.891520 7fa39d51e700 5
> mon.ceph001 at 0(leader).paxos(paxos updating c 503758..504309)
> queue_proposal bl 1025 bytes; ctx = 0x1fa0af0
> -9991> 2014-04-01 12:37:42.891527 7fa39d51e700 5
> mon.ceph001 at 0(leader).paxos(paxos updating c 503758..504309)
> propose_new_value not active; proposal queued
> -9990> 2014-04-01 12:37:42.892656 7fa39cb1d700 1 --
> 10.141.8.180:6789/0 <== mon.2 10.141.8.182:6789/0 672234193 ====
> paxos(accept lc 504309 fc 0 pn 1800 opn 0) v3 ==== 80+0+0 (2064056753 0
> 0) 0x369d000 con 0x2051760
> -9989> 2014-04-01 12:37:42.893660 7fa39cb1d700 1 --
> 10.141.8.180:6789/0 --> mon.2 10.141.8.182:6789/0 -- paxos(commit lc
> 504310 fc 0 pn 1800 opn 0) v3 -- ?+0 0x6247580
> -9988> 2014-04-01 12:37:42.894019 7fa39cb1d700 1 --
> 10.141.8.180:6789/0 --> 10.141.8.180:6789/0 -- log(last 1348) v1 -- ?+0
> 0x41ddcc0 con 0x2050840
> -9987> 2014-04-01 12:37:42.894038 7fa39cb1d700 1 --
> 10.141.8.180:6789/0 --> mon.2 10.141.8.182:6789/0 -- paxos(lease lc
> 504310 fc 503758 pn 0 opn 0) v3 -- ?+0 0x6246e00
>
> 2 of the 3 MONS are down, the MDSs are down, but the OSDs are still
> running..
> Does someone knows what is happening here?
>
>
> Thanks!
>
> Kind regards,
> Kenneth
>
>
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--
Joao Eduardo Luis
Software Engineer | http://inktank.com | http://ceph.com
