Re: OSDs are crashing during PG replication

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Alexander,

> # ceph osd pool get-quota cache
> quotas for pool 'cache':
> max objects: N/A
> max bytes  : N/A
> But I set target_max_bytes:
> # ceph osd pool set cache target_max_bytes 1000000000000
> Can it serve as the reason?

I've been unable to reproduce http://tracker.ceph.com/issues/13098
without setting max_bytes.
Perhaps you hit a different bug.

> Every time 2 of 18 OSDs are crashing.

How have they got to that state? Were some of OSDs full/nearly full?
Has the cache pool ever reached its target_max_bytes? Anything else
which might be relevant?

Best regards,
      Alexey


On Wed, Feb 24, 2016 at 7:36 PM, Alexander Gubanov <shtnik@xxxxxxxxx> wrote:
> Hm. It seems that the cache pool qoutas have not been set. At least I'm sure
> I didn't set them.
>
> # ceph osd pool get-quota cache
> quotas for pool 'cache':
>   max objects: N/A
>   max bytes  : N/A
>
> Hmm. It seems that the cache pool quota have not been set. At least I'm sure
> I didn't set it. Maybe it have default setting.
>
> # ceph osd pool get-quota cache
> quotas for pool 'cache':
>   max objects: N/A
>   max bytes  : N/A
>
> But I set target_max_bytes:
>
> # ceph osd pool set cache target_max_bytes 1000000000000
>
> Can it serve as the reason?
>
> On Wed, Feb 24, 2016 at 4:08 PM, Alexey Sheplyakov
> <asheplyakov@xxxxxxxxxxxx> wrote:
>>
>> Hi,
>>
>> > 0> 2016-02-24 04:51:45.884445 7fd994825700 -1 osd/ReplicatedPG.cc: In
>> > function 'int ReplicatedPG::fill_in_copy_get(ReplicatedPG::OpContext*,
>> > ceph::buffer::list::iterator&, OSDOp&, ObjectContextRef&, bool)' thread
>> > 7fd994825700 time 2016-02-24 04:51:45.870995
>> osd/ReplicatedPG.cc: 5558: FAILED assert(cursor.data_complete)
>> > ceph version 0.80.11-8-g95c4287
>> > (95c4287b5d24b762bc8538633c5bb2918ecfe4dd)
>>
>> This one looks familiar: http://tracker.ceph.com/issues/13098
>>
>> A quick work around is to unset the cache pool quota:
>>
>> ceph osd pool set-quota $cache_pool_name max_bytes 0
>> ceph osd pool set-quota $cache_pool_name max_objects 0
>>
>> The problem has been properly fixed in infernalis v9.1.0, and
>> (partially) in hammer (v0.94.6 which will be released soon).
>>
>>  Best regards,
>>       Alexey
>>
>>
>> On Wed, Feb 24, 2016 at 5:37 AM, Alexander Gubanov <shtnik@xxxxxxxxx>
>> wrote:
>> > Hi,
>> >
>> > Every time 2 of 18 OSDs are crashing. I think it's happening when run PG
>> > replication because crashing only 2 OSDs and every time they're are the
>> > same.
>> >
>> > 0> 2016-02-24 04:51:45.884445 7fd994825700 -1 osd/ReplicatedPG.cc: In
>> > function 'int ReplicatedPG::fill_in_copy_get(ReplicatedPG::OpContext*,
>> > ceph::buffer::list::iterator&, OSDOp&, ObjectContextRef&, bool)' thread
>> > 7fd994825700 time 2016-02-24 04:51:45.870995
>> > osd/ReplicatedPG.cc: 5558: FAILED assert(cursor.data_complete)
>> >
>> >  ceph version 0.80.11-8-g95c4287
>> > (95c4287b5d24b762bc8538633c5bb2918ecfe4dd)
>> >  1: (ReplicatedPG::fill_in_copy_get(ReplicatedPG::OpContext*,
>> > ceph::buffer::list::iterator&, OSDOp&,
>> > std::tr1::shared_ptr<ObjectContext>&,
>> > bool)+0xffc) [0x7c1f7c]
>> >  2: (ReplicatedPG::do_osd_ops(ReplicatedPG::OpContext*,
>> > std::vector<OSDOp,
>> > std::allocator<OSDOp> >&)+0x4171) [0x809f21]
>> >  3: (ReplicatedPG::prepare_transaction(ReplicatedPG::OpContext*)+0x62)
>> > [0x814622]
>> >  4: (ReplicatedPG::execute_ctx(ReplicatedPG::OpContext*)+0x5f8)
>> > [0x815098]
>> >  5: (ReplicatedPG::do_op(std::tr1::shared_ptr<OpRequest>)+0x3dd4)
>> > [0x81a3f4]
>> >  6: (ReplicatedPG::do_request(std::tr1::shared_ptr<OpRequest>,
>> > ThreadPool::TPHandle&)+0x66d) [0x7b4ecd]
>> >  7: (OSD::dequeue_op(boost::intrusive_ptr<PG>,
>> > std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x3a5)
>> > [0x600ee5]
>> >  8: (OSD::OpWQ::_process(boost::intrusive_ptr<PG>,
>> > ThreadPool::TPHandle&)+0x203) [0x61cba3]
>> >  9: (ThreadPool::WorkQueueVal<std::pair<boost::intrusive_ptr<PG>,
>> > std::tr1::shared_ptr<OpRequest> >, boost::intrusive_ptr<PG>
>> >>::_void_process(void*, ThreadPool::TPHandle&)+0xac) [0x660f2c]
>> >  10: (ThreadPool::worker(ThreadPool::WorkThread*)+0xb20) [0xa7def0]
>> >  11: (ThreadPool::WorkThread::entry()+0x10) [0xa7ede0]
>> >  12: (()+0x7dc5) [0x7fd9ad03edc5]
>> >  13: (clone()+0x6d) [0x7fd9abd2828d]
>> >  NOTE: a copy of the executable, or `objdump -rdS <executable>` is
>> > needed to
>> > interpret this.
>> >
>> > --- logging levels ---
>> >    0/ 5 none
>> >    0/ 1 lockdep
>> >    0/ 1 context
>> >    1/ 1 crush
>> >    1/ 5 mds
>> >    1/ 5 mds_balancer
>> >    1/ 5 mds_locker
>> >    1/ 5 mds_log
>> >    1/ 5 mds_log_expire
>> >    1/ 5 mds_migrator
>> >    0/ 1 buffer
>> >    0/ 1 timer
>> >    0/ 1 filer
>> >    0/ 1 striper
>> >    0/ 1 objecter
>> >    0/ 5 rados
>> >    0/ 5 rbd
>> >    0/ 5 journaler
>> >    0/ 5 objectcacher
>> >    0/ 5 client
>> >    0/ 5 osd
>> >    0/ 5 optracker
>> >    0/ 5 objclass
>> >    1/ 3 filestore
>> >    1/ 3 keyvaluestore
>> >    1/ 3 journal
>> >    0/ 5 ms
>> >    1/ 5 mon
>> >    0/10 monc
>> >    1/ 5 paxos
>> >    0/ 5 tp
>> >    1/ 5 auth
>> >    1/ 5 crypto
>> >    1/ 1 finisher
>> >    1/ 5 heartbeatmap
>> >    1/ 5 perfcounter
>> >    1/ 5 rgw
>> >    1/10 civetweb
>> >    1/ 5 javaclient
>> >    1/ 5 asok
>> >    1/ 1 throttle
>> >   -2/-2 (syslog threshold)
>> >   -1/-1 (stderr threshold)
>> >   max_recent     10000
>> >   max_new         1000
>> >   log_file /var/log/ceph/ceph-osd.3.log
>> > --- end dump of recent events ---
>> > 2016-02-24 04:51:45.944447 7fd994825700 -1 *** Caught signal (Aborted)
>> > **
>> >  in thread 7fd994825700
>> >
>> >  ceph version 0.80.11-8-g95c4287
>> > (95c4287b5d24b762bc8538633c5bb2918ecfe4dd)
>> >  1: /usr/bin/ceph-osd() [0x9a24f6]
>> >  2: (()+0xf100) [0x7fd9ad046100]
>> >  3: (gsignal()+0x37) [0x7fd9abc675f7]
>> >  4: (abort()+0x148) [0x7fd9abc68ce8]
>> >  5: (__gnu_cxx::__verbose_terminate_handler()+0x165) [0x7fd9ac56b9d5]
>> >  6: (()+0x5e946) [0x7fd9ac569946]
>> >  7: (()+0x5e973) [0x7fd9ac569973]
>> >  8: (()+0x5eb93) [0x7fd9ac569b93]
>> >  9: (ceph::__ceph_assert_fail(char const*, char const*, int, char
>> > const*)+0x1ef) [0xa8d9df]
>> >  10: (ReplicatedPG::fill_in_copy_get(ReplicatedPG::OpContext*,
>> > ceph::buffer::list::iterator&, OSDOp&,
>> > std::tr1::shared_ptr<ObjectContext>&,
>> > bool)+0xffc) [0x7c1f7c]
>> >  11: (ReplicatedPG::do_osd_ops(ReplicatedPG::OpContext*,
>> > std::vector<OSDOp,
>> > std::allocator<OSDOp> >&)+0x4171) [0x809f21]
>> >  12: (ReplicatedPG::prepare_transaction(ReplicatedPG::OpContext*)+0x62)
>> > [0x814622]
>> >  13: (ReplicatedPG::execute_ctx(ReplicatedPG::OpContext*)+0x5f8)
>> > [0x815098]
>> >  14: (ReplicatedPG::do_op(std::tr1::shared_ptr<OpRequest>)+0x3dd4)
>> > [0x81a3f4]
>> >  15: (ReplicatedPG::do_request(std::tr1::shared_ptr<OpRequest>,
>> > ThreadPool::TPHandle&)+0x66d) [0x7b4ecd]
>> >  16: (OSD::dequeue_op(boost::intrusive_ptr<PG>,
>> > std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x3a5)
>> > [0x600ee5]
>> >  17: (OSD::OpWQ::_process(boost::intrusive_ptr<PG>,
>> > ThreadPool::TPHandle&)+0x203) [0x61cba3]
>> >  18: (ThreadPool::WorkQueueVal<std::pair<boost::intrusive_ptr<PG>,
>> > std::tr1::shared_ptr<OpRequest> >, boost::intrusive_ptr<PG>
>> >>::_void_process(void*, ThreadPool::TPHandle&)+0xac) [0x660f2c]
>> >  19: (ThreadPool::worker(ThreadPool::WorkThread*)+0xb20) [0xa7def0]
>> >  20: (ThreadPool::WorkThread::entry()+0x10) [0xa7ede0]
>> >  21: (()+0x7dc5) [0x7fd9ad03edc5]
>> >  22: (clone()+0x6d) [0x7fd9abd2828d]
>> >  NOTE: a copy of the executable, or `objdump -rdS <executable>` is
>> > needed to
>> > interpret this.
>> >
>> > --- begin dump of recent events ---
>> >     -5> 2016-02-24 04:51:45.904559 7fd995026700  5 -- op tracker -- ,
>> > seq:
>> > 19230, time: 2016-02-24 04:51:45.904559, event: started, request:
>> > osd_op(osd.13.12097:806246 rb.0.218d6.238e1f29.000000010db3@snapdir
>> > [list-snaps] 3.94c2bed2
>> > ack+read+ignore_cache+ignore_overlay+map_snap_clone
>> > e13252) v4
>> >     -4> 2016-02-24 04:51:45.904598 7fd995026700  1 --
>> > 172.16.0.1:6801/419703
>> > --> 172.16.0.3:6844/12260 -- osd_op_reply(806246
>> > rb.0.218d6.238e1f29.000000010db3 [list-snaps] v0'0 uv27683057 ondisk =
>> > 0) v6
>> > -- ?+0 0x9f90800 con 0x1b7838c0
>> >     -3> 2016-02-24 04:51:45.904616 7fd995026700  5 -- op tracker -- ,
>> > seq:
>> > 19230, time: 2016-02-24 04:51:45.904616, event: done, request:
>> > osd_op(osd.13.12097:806246 rb.0.218d6.238e1f29.000000010db3@snapdir
>> > [list-snaps] 3.94c2bed2
>> > ack+read+ignore_cache+ignore_overlay+map_snap_clone
>> > e13252) v4
>> >     -2> 2016-02-24 04:51:45.904637 7fd995026700  5 -- op tracker -- ,
>> > seq:
>> > 19231, time: 2016-02-24 04:51:45.904637, event: reached_pg, request:
>> > osd_op(osd.13.12097:806247 rb.0.218d6.238e1f29.000000010db3 [copy-get
>> > max
>> > 8388608] 3.94c2bed2 ack+read+ignore_cache+ignore_overlay+map_snap_clone
>> > e13252) v4
>> >     -1> 2016-02-24 04:51:45.904673 7fd995026700  5 -- op tracker -- ,
>> > seq:
>> > 19231, time: 2016-02-24 04:51:45.904673, event: started, request:
>> > osd_op(osd.13.12097:806247 rb.0.218d6.238e1f29.000000010db3 [copy-get
>> > max
>> > 8388608] 3.94c2bed2 ack+read+ignore_cache+ignore_overlay+map_snap_clone
>> > e13252) v4
>> >      0> 2016-02-24 04:51:45.944447 7fd994825700 -1 *** Caught signal
>> > (Aborted) **
>> >  in thread 7fd994825700
>> >
>> >  ceph version 0.80.11-8-g95c4287
>> > (95c4287b5d24b762bc8538633c5bb2918ecfe4dd)
>> >  1: /usr/bin/ceph-osd() [0x9a24f6]
>> >  2: (()+0xf100) [0x7fd9ad046100]
>> >  3: (gsignal()+0x37) [0x7fd9abc675f7]
>> >  4: (abort()+0x148) [0x7fd9abc68ce8]
>> >  5: (__gnu_cxx::__verbose_terminate_handler()+0x165) [0x7fd9ac56b9d5]
>> >  6: (()+0x5e946) [0x7fd9ac569946]
>> >  7: (()+0x5e973) [0x7fd9ac569973]
>> >  8: (()+0x5eb93) [0x7fd9ac569b93]
>> >  9: (ceph::__ceph_assert_fail(char const*, char const*, int, char
>> > const*)+0x1ef) [0xa8d9df]
>> >  10: (ReplicatedPG::fill_in_copy_get(ReplicatedPG::OpContext*,
>> > ceph::buffer::list::iterator&, OSDOp&,
>> > std::tr1::shared_ptr<ObjectContext>&,
>> > bool)+0xffc) [0x7c1f7c]
>> >  11: (ReplicatedPG::do_osd_ops(ReplicatedPG::OpContext*,
>> > std::vector<OSDOp,
>> > std::allocator<OSDOp> >&)+0x4171) [0x809f21]
>> >  12: (ReplicatedPG::prepare_transaction(ReplicatedPG::OpContext*)+0x62)
>> > [0x814622]
>> >  13: (ReplicatedPG::execute_ctx(ReplicatedPG::OpContext*)+0x5f8)
>> > [0x815098]
>> >  14: (ReplicatedPG::do_op(std::tr1::shared_ptr<OpRequest>)+0x3dd4)
>> > [0x81a3f4]
>> >  15: (ReplicatedPG::do_request(std::tr1::shared_ptr<OpRequest>,
>> > ThreadPool::TPHandle&)+0x66d) [0x7b4ecd]
>> >  16: (OSD::dequeue_op(boost::intrusive_ptr<PG>,
>> > std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x3a5)
>> > [0x600ee5]
>> >  17: (OSD::OpWQ::_process(boost::intrusive_ptr<PG>,
>> > ThreadPool::TPHandle&)+0x203) [0x61cba3]
>> >  18: (ThreadPool::WorkQueueVal<std::pair<boost::intrusive_ptr<PG>,
>> > std::tr1::shared_ptr<OpRequest> >, boost::intrusive_ptr<PG>
>> >>::_void_process(void*, ThreadPool::TPHandle&)+0xac) [0x660f2c]
>> >  19: (ThreadPool::worker(ThreadPool::WorkThread*)+0xb20) [0xa7def0]
>> >  20: (ThreadPool::WorkThread::entry()+0x10) [0xa7ede0]
>> >  21: (()+0x7dc5) [0x7fd9ad03edc5]
>> >  22: (clone()+0x6d) [0x7fd9abd2828d]
>> >  NOTE: a copy of the executable, or `objdump -rdS <executable>` is
>> > needed to
>> > interpret this.
>> >
>> > --- logging levels ---
>> >    0/ 5 none
>> >    0/ 1 lockdep
>> >    0/ 1 context
>> >    1/ 1 crush
>> >    1/ 5 mds
>> >    1/ 5 mds_balancer
>> >    1/ 5 mds_locker
>> >    1/ 5 mds_log
>> >    1/ 5 mds_log_expire
>> >    1/ 5 mds_migrator
>> >    0/ 1 buffer
>> >    0/ 1 timer
>> >    0/ 1 filer
>> >    0/ 1 striper
>> >    0/ 1 objecter
>> >    0/ 5 rados
>> >    0/ 5 rbd
>> >    0/ 5 journaler
>> >    0/ 5 objectcacher
>> >    0/ 5 client
>> >    0/ 5 osd
>> >    0/ 5 optracker
>> >    0/ 5 objclass
>> >    1/ 3 filestore
>> >    1/ 3 keyvaluestore
>> >    1/ 3 journal
>> >    0/ 5 ms
>> >    1/ 5 mon
>> >    0/10 monc
>> >    1/ 5 paxos
>> >    0/ 5 tp
>> >    1/ 5 auth
>> >    1/ 5 crypto
>> >    1/ 1 finisher
>> >    1/ 5 heartbeatmap
>> >    1/ 5 perfcounter
>> >    1/ 5 rgw
>> >    1/10 civetweb
>> >    1/ 5 javaclient
>> >    1/ 5 asok
>> >    1/ 1 throttle
>> >   -2/-2 (syslog threshold)
>> >   -1/-1 (stderr threshold)
>> >   max_recent     10000
>> >   max_new         1000
>> >   log_file /var/log/ceph/ceph-osd.3.log
>> > --- end dump of recent events ---
>> >
>> > --
>> > Alexander Gubanov
>> >
>> > _______________________________________________
>> > ceph-users mailing list
>> > ceph-users@xxxxxxxxxxxxxx
>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>> >
>
>
>
>
> --
> Alexander Gubanov
>
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>
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