Morning found that some OSD dropped out of Tier Cache Pool. Maybe it's a coincidence, but at this point was rollback.
2015-02-05 23:23:18.231723 7fd747ff1700 -1 *** Caught signal (Segmentation fault) ** in thread 7fd747ff1700 ceph version 0.80.8 (69eaad7f8308f21573c604f121956e64679a52a7) 1: /usr/bin/ceph-osd() [0x9bde51] 2: (()+0xf710) [0x7fd766f97710] 3: (std::_Rb_tree_decrement(std::_Rb_tree_node_base*)+0xa) [0x7fd7666c1eca] 4: (ReplicatedPG::make_writeable(ReplicatedPG::OpContext*)+0x14c) [0x87cd5c] 5: (ReplicatedPG::prepare_transaction(ReplicatedPG::OpContext*)+0x1db) [0x89d29b] 6: (ReplicatedPG::execute_ctx(ReplicatedPG::OpContext*)+0xcd4) [0x89e0f4] 7: (ReplicatedPG::do_op(std::tr1::shared_ptr<OpRequest>)+0x2ca5) [0x8a2a55] 8: (ReplicatedPG::do_request(std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x5b1) [0x832251] 9: (OSD::dequeue_op(boost::intrusive_ptr<PG>, std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x37c) [0x61344c] 10: (OSD::OpWQ::_process(boost::intrusive_ptr<PG>, ThreadPool::TPHandle&)+0x63d) [0x6472ad] 11: (ThreadPool::WorkQueueVal<std::pair<boost::intrusive_ptr<PG>, std::tr1::shared_ptr<OpRequest> >, boost::intrusive_ptr<PG> >::_void_process(void*, ThreadPool::TPHandle&)+0xae) [0x67dcde] 12: (ThreadPool::worker(ThreadPool::WorkThread*)+0x551) [0xa2a181] 13: (ThreadPool::WorkThread::entry()+0x10) [0xa2d260] 14: (()+0x79d1) [0x7fd766f8f9d1] 15: (clone()+0x6d) [0x7fd765f088fd] NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this. Are there any ideas? Thank. http://tracker.ceph.com/issues/10778 -- С уважением, Фасихов Ирек Нургаязович Моб.: +79229045757
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