On Thu, Dec 8, 2016 at 3:11 PM, Sean Redmond <sean.redmond1@xxxxxxxxx> wrote: > Hi, > > I have a CephFS cluster that is currently unable to start the mds server as > it is hitting an assert, the extract from the mds log is below, any pointers > are welcome: > > ceph version 10.2.3 (ecc23778eb545d8dd55e2e4735b53cc93f92e65b) > > 2016-12-08 14:50:18.577038 7f7d9faa3700 1 mds.0.47077 handle_mds_map state > change up:rejoin --> up:active > 2016-12-08 14:50:18.577048 7f7d9faa3700 1 mds.0.47077 recovery_done -- > successful recovery! > 2016-12-08 14:50:18.577166 7f7d9faa3700 1 mds.0.47077 active_start > 2016-12-08 14:50:19.460208 7f7d9faa3700 1 mds.0.47077 cluster recovered. > 2016-12-08 14:50:19.495685 7f7d9abfc700 -1 mds/CDir.cc: In function 'void > CDir::try_remove_dentries_for_stray()' thread 7f7d9abfc700 time 2016-12-08 > 14:50:19 > .494508 > mds/CDir.cc: 699: FAILED assert(dn->get_linkage()->is_null()) > > ceph version 10.2.3 (ecc23778eb545d8dd55e2e4735b53cc93f92e65b) > 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char > const*)+0x80) [0x55f0f789def0] > 2: (CDir::try_remove_dentries_for_stray()+0x1a0) [0x55f0f76666c0] > 3: (StrayManager::__eval_stray(CDentry*, bool)+0x8c9) [0x55f0f75e7799] > 4: (StrayManager::eval_stray(CDentry*, bool)+0x22) [0x55f0f75e7cf2] > 5: (MDCache::scan_stray_dir(dirfrag_t)+0x16d) [0x55f0f753b30d] > 6: (MDSInternalContextBase::complete(int)+0x18b) [0x55f0f76e93db] > 7: (MDSRank::_advance_queues()+0x6a7) [0x55f0f749bf27] > 8: (MDSRank::ProgressThread::entry()+0x4a) [0x55f0f749c45a] > 9: (()+0x770a) [0x7f7da6bdc70a] > 10: (clone()+0x6d) [0x7f7da509d82d] > NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to > interpret this. Last time someone had this issue they had tried to create a filesystem using pools that had another filesystem's old objects in: http://tracker.ceph.com/issues/16829 What was going on on your system before you hit this? John > Thanks > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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