Yeah, I noticed that too, so I recreated both of those pools and it still wont start. It crashes in a different place now, but still wont start, even after running 'newfs'. Attached is the debug log output when I start ceph-mds ... common/Thread.cc: In function 'int Thread::join(void**)' thread 7f0127612700 time 2015-02-26 07:55:09.734802 common/Thread.cc: 141: FAILED assert(status == 0) ceph version 0.80.8 (69eaad7f8308f21573c604f121956e64679a52a7) 1: (Thread::detach()+0) [0x8c30d0] 2: (MonClient::shutdown()+0x50f) [0x881d5f] 3: (MDS::suicide()+0xe5) [0x576285] 4: (MDLog::handle_journaler_write_error(int)+0x5f) [0x7aab2f] 5: (Context::complete(int)+0x9) [0x56d9a9] 6: (Journaler::handle_write_error(int)+0x5e) [0x7b949e] 7: (Journaler::_finish_write_head(int, Journaler::Header&, Context*)+0x306) [0x7b9946] 8: (Context::complete(int)+0x9) [0x56d9a9] 9: (Objecter::check_op_pool_dne(Objecter::Op*)+0x214) [0x7ce6a4] 10: (Objecter::C_Op_Map_Latest::finish(int)+0x124) [0x7cea04] 11: (Context::complete(int)+0x9) [0x56d9a9] 12: (Finisher::finisher_thread_entry()+0x1b8) [0x9aced8] 13: (()+0x8182) [0x7f012db95182] 14: (clone()+0x6d) [0x7f012c50befd] NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this. 2015-02-26 07:55:09.736256 7f0127612700 -1 common/Thread.cc: In function 'int Thread::join(void**)' thread 7f0127612700 time 2015-02-26 07:55:09.734802 common/Thread.cc: 141: FAILED assert(status == 0) On Thu, Feb 26, 2015 at 12:50 PM, John Spray <john.spray@xxxxxxxxxx> wrote: > On 26/02/2015 17:19, Wyllys Ingersoll wrote: >> >> OK, attached is the initial log, or at least the earliest log I can find. >> > Ah, now that I look more closely at the backtrace, I realise that creation > succeeded, but it is now failing on subsequent runs because it can't find > the metadata pool. I guess you probably deleted it at some point between > Monday and today. You will need to create yourself some filesystem pools > (metadata and data) before using newfs to reset your filesystem. > > Cheers, > John
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