On 10/27/2014 10:55 PM, Samuel Just wrote: > There is nothing in dmesg? No. The filesystem mounts cleanly and I even ran xfs_repair to see if there was anything wrong with it. All goes just fine. It's only the OSD which is crashing. Wido > -Sam > > On Mon, Oct 27, 2014 at 2:53 PM, Wido den Hollander <wido@xxxxxxxx> wrote: >> On 10/27/2014 10:52 PM, Samuel Just wrote: >>> I mean, the 5 osds, different nodes? >> >> Yes. The cluster consists out of 16 nodes and all these OSDs are on >> different nodes. >> >> All running Ubuntu 12.04 with Ceph 0.80.7 >> >> Wido >> >>> -Sam >>> >>> On Mon, Oct 27, 2014 at 2:50 PM, Wido den Hollander <wido@xxxxxxxx> wrote: >>>> On 10/27/2014 10:48 PM, Samuel Just wrote: >>>>> Different nodes? >>>> >>>> No, they are both from osd.25 >>>> >>>> I re-ran the strace with a empty logfile since the old logfile became >>>> pretty big. >>>> >>>> Wido >>>> >>>>> -Sam >>>>> >>>>> On Mon, Oct 27, 2014 at 2:43 PM, Wido den Hollander <wido@xxxxxxxx> wrote: >>>>>> 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 >>>> >>>> >>>> -- >>>> 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 -- 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
