On 10/27/2014 10:35 PM, Samuel Just wrote: > The file is supposed to be 0 bytes, can you attach the log which went > with that strace? Yes, two URLs: * http://ceph.o.auroraobjects.eu/ceph-osd.25.log.gz * http://ceph.o.auroraobjects.eu/ceph-osd.25.strace.gz It was with debug_filestore on 20. Wido > -Sam > > On Mon, Oct 27, 2014 at 2:16 PM, Wido den Hollander <wido@xxxxxxxx> wrote: >> On 10/27/2014 10:05 PM, Samuel Just wrote: >>> Try reproducing with an strace. >> >> I did so and this is the result: >> http://ceph.o.auroraobjects.eu/ceph-osd.25.strace.gz >> >> It does this stat: >> >> stat("/var/lib/ceph/osd/ceph-25/current/meta/DIR_D/DIR_C" >> >> That fails with: -1 ENOENT (No such file or directory) >> >> Afterwards it open this pglog: >> /var/lib/ceph/osd/ceph-25/current/meta/DIR_D/pglog\\u14.1a56__0_A1630ECD__none >> >> That file is however 0 bytes. (And all other files in the same directory). >> >> Afterwards the OSD asserts and writes to the log. >> >> Wido >> >>> -Sam >>> >>> On Mon, Oct 27, 2014 at 2:02 PM, Wido den Hollander <wido@xxxxxxxx> wrote: >>>> Hi, >>>> >>>> On a 0.80.7 cluster I'm experiencing a couple of OSDs refusing to start >>>> due to a crash they encounter when reading the PGLog. >>>> >>>> A snippet of the log: >>>> >>>> -11> 2014-10-27 21:56:04.690046 7f034a006800 10 >>>> filestore(/var/lib/ceph/osd/ceph-25) _do_transaction on 0x392e600 >>>> -10> 2014-10-27 21:56:04.690078 7f034a006800 20 >>>> filestore(/var/lib/ceph/osd/ceph-25) _check_global_replay_guard no xattr >>>> -9> 2014-10-27 21:56:04.690140 7f034a006800 20 >>>> filestore(/var/lib/ceph/osd/ceph-25) _check_replay_guard no xattr >>>> -8> 2014-10-27 21:56:04.690150 7f034a006800 15 >>>> filestore(/var/lib/ceph/osd/ceph-25) touch meta/a1630ecd/pglog_14.1a56/0//-1 >>>> -7> 2014-10-27 21:56:04.690184 7f034a006800 10 >>>> filestore(/var/lib/ceph/osd/ceph-25) touch >>>> meta/a1630ecd/pglog_14.1a56/0//-1 = 0 >>>> -6> 2014-10-27 21:56:04.690196 7f034a006800 15 >>>> filestore(/var/lib/ceph/osd/ceph-25) _omap_rmkeys >>>> meta/a1630ecd/pglog_14.1a56/0//-1 >>>> -5> 2014-10-27 21:56:04.690290 7f034a006800 10 filestore oid: >>>> a1630ecd/pglog_14.1a56/0//-1 not skipping op, *spos 1435883.0.2 >>>> -4> 2014-10-27 21:56:04.690295 7f034a006800 10 filestore > >>>> header.spos 0.0.0 >>>> -3> 2014-10-27 21:56:04.690314 7f034a006800 0 >>>> filestore(/var/lib/ceph/osd/ceph-25) error (1) Operation not permitted >>>> not handled on operation 33 (1435883.0.2, or op 2, counting from 0) >>>> -2> 2014-10-27 21:56:04.690325 7f034a006800 0 >>>> filestore(/var/lib/ceph/osd/ceph-25) unexpected error code >>>> -1> 2014-10-27 21:56:04.690327 7f034a006800 0 >>>> filestore(/var/lib/ceph/osd/ceph-25) transaction dump: >>>> { "ops": [ >>>> { "op_num": 0, >>>> "op_name": "nop"}, >>>> { "op_num": 1, >>>> "op_name": "touch", >>>> "collection": "meta", >>>> "oid": "a1630ecd\/pglog_14.1a56\/0\/\/-1"}, >>>> { "op_num": 2, >>>> "op_name": "omap_rmkeys", >>>> "collection": "meta", >>>> "oid": "a1630ecd\/pglog_14.1a56\/0\/\/-1"}, >>>> { "op_num": 3, >>>> "op_name": "omap_setkeys", >>>> "collection": "meta", >>>> "oid": "a1630ecd\/pglog_14.1a56\/0\/\/-1", >>>> "attr_lens": { "can_rollback_to": 12}}]} >>>> 0> 2014-10-27 21:56:04.691992 7f034a006800 -1 os/FileStore.cc: In >>>> function 'unsigned int >>>> FileStore::_do_transaction(ObjectStore::Transaction&, uint64_t, int, >>>> ThreadPool::TPHandle*)' thread 7f034a006800 time 2014-10-27 21:56:04.690368 >>>> os/FileStore.cc: 2559: FAILED assert(0 == "unexpected error") >>>> >>>> >>>> The backing XFS filesystem seems to be OK, but isn't this a leveldb >>>> issue where the omap information is stored? >>>> >>>> Anyone seen this before? I have about 5 OSDs (out of the 336) which are >>>> showing this problem when booting. >>>> >>>> -- >>>> Wido den Hollander >>>> 42on B.V. >>>> Ceph trainer and consultant >>>> >>>> Phone: +31 (0)20 700 9902 >>>> Skype: contact42on >>>> -- >>>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >> >> >> -- >> Wido den Hollander >> 42on B.V. >> Ceph trainer and consultant >> >> Phone: +31 (0)20 700 9902 >> Skype: contact42on -- Wido den Hollander 42on B.V. Ceph trainer and consultant Phone: +31 (0)20 700 9902 Skype: contact42on -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
