On 01/16/2018 12:53 AM, Brad Hubbard wrote: > On Tue, Jan 16, 2018 at 1:35 AM, Alexander Peters <apeters@xxxxxxxxx> wrote: >> i created the dump output but it looks very cryptic to me so i can't really make much sense of it. is there anything to look for in particular? > > Yes, basically we are looking for any line that ends in "= 34". You > might also find piping it through c++filt helps. > > Something like... > > $ c++filt </tmp/ltrace.out|grep "= 34" Hello, we're facing the exact same issue. I added some more info about our cluster and output from ltrace in [1]. Best regards, Nikos. [1] http://tracker.ceph.com/issues/22351 >> >> i think i am going to read up on how interpret ltrace output... >> >> BR >> Alex >> >> ----- Ursprüngliche Mail ----- >> Von: "Brad Hubbard" <bhubbard@xxxxxxxxxx> >> An: "Alexander Peters" <alexander.peters@xxxxxxxxx> >> CC: "Ceph Users" <ceph-users@xxxxxxxxxxxxxx> >> Gesendet: Montag, 15. Januar 2018 03:09:53 >> Betreff: Re: radosgw fails with "ERROR: failed to initialize watch: (34) Numerical result out of range" >> >> On Mon, Jan 15, 2018 at 11:38 AM, Brad Hubbard <bhubbard@xxxxxxxxxx> wrote: >>> On Mon, Jan 15, 2018 at 10:38 AM, Alexander Peters >>> <alexander.peters@xxxxxxxxx> wrote: >>>> Thanks for the reply - unfortunatly the link you send is behind a paywall so >>>> at least for now i can’t read it. >>> >>> That's why I provided the cause as laid out in that article (pgp num > pg num). >>> >>> Do you have any settings in ceph.conf related to pg_num or pgp_num? >>> >>> If not, please add your details to http://tracker.ceph.com/issues/22351 >> >> Rados can return ERANGE (34) in multiple places so identifying where >> might be a big step towards working this out. >> >> $ ltrace -fo /tmp/ltrace.out /usr/bin/radosgw --cluster ceph --name >> client.radosgw.ctrl02 --setuser ceph --setgroup ceph -f -d >> >> The objective is to find which function(s) return 34. >> >>> >>>> >>>> output of ceph osd dump shows that pgp num == pg num: >>>> >>>> [root@ctrl01 ~]# ceph osd dump >>>> epoch 142 >>>> fsid 0e2d841f-68fd-4629-9813-ab083e8c0f10 >>>> created 2017-12-20 23:04:59.781525 >>>> modified 2018-01-14 21:30:57.528682 >>>> flags sortbitwise,recovery_deletes,purged_snapdirs >>>> crush_version 6 >>>> full_ratio 0.95 >>>> backfillfull_ratio 0.9 >>>> nearfull_ratio 0.85 >>>> require_min_compat_client jewel >>>> min_compat_client jewel >>>> require_osd_release luminous >>>> pool 1 'glance' replicated size 3 min_size 2 crush_rule 0 object_hash >>>> rjenkins pg_num 64 pgp_num 64 last_change 119 flags hashpspool stripe_width >>>> 0 application rbd >>>> removed_snaps [1~3] >>>> pool 2 'cinder-2' replicated size 3 min_size 2 crush_rule 0 object_hash >>>> rjenkins pg_num 64 pgp_num 64 last_change 120 flags hashpspool stripe_width >>>> 0 application rbd >>>> removed_snaps [1~3] >>>> pool 3 'cinder-3' replicated size 3 min_size 2 crush_rule 0 object_hash >>>> rjenkins pg_num 64 pgp_num 64 last_change 121 flags hashpspool stripe_width >>>> 0 application rbd >>>> removed_snaps [1~3] >>>> pool 4 '.rgw.root' replicated size 3 min_size 2 crush_rule 0 object_hash >>>> rjenkins pg_num 8 pgp_num 8 last_change 94 owner 18446744073709551615 flags >>>> hashpspool stripe_width 0 application rgw >>>> max_osd 3 >>>> osd.0 up in weight 1 up_from 82 up_thru 140 down_at 79 >>>> last_clean_interval [23,78) 10.16.0.11:6800/1795 10.16.0.11:6801/1795 >>>> 10.16.0.11:6802/1795 10.16.0.11:6803/1795 exists,up >>>> abe33844-6d98-4ede-81a8-a8bdc92dada8 >>>> osd.1 up in weight 1 up_from 73 up_thru 140 down_at 71 >>>> last_clean_interval [55,72) 10.16.0.13:6800/1756 10.16.0.13:6804/1001756 >>>> 10.16.0.13:6805/1001756 10.16.0.13:6806/1001756 exists,up >>>> 0dab9372-6ffe-4a23-a8b7-4edca3745a2a >>>> osd.2 up in weight 1 up_from 140 up_thru 140 down_at 133 >>>> last_clean_interval [31,132) 10.16.0.12:6800/1749 10.16.0.12:6801/1749 >>>> 10.16.0.12:6802/1749 10.16.0.12:6803/1749 exists,up >>>> 220bba17-8119-4035-9e43-5b8eaa27562f >>>> >>>> >>>> Am 15.01.2018 um 01:33 schrieb Brad Hubbard <bhubbard@xxxxxxxxxx>: >>>> >>>> On Mon, Jan 15, 2018 at 8:34 AM, Alexander Peters >>>> <alexander.peters@xxxxxxxxx> wrote: >>>> >>>> Hello >>>> >>>> I am currently experiencing a strange issue with my radosgw. It Fails to >>>> start and all tit says is: >>>> [root@ctrl02 ~]# /usr/bin/radosgw --cluster ceph --name >>>> client.radosgw.ctrl02 --setuser ceph --setgroup ceph -f -d >>>> 2018-01-14 21:30:57.132007 7f44ddd18e00 0 deferred set uid:gid to 167:167 >>>> (ceph:ceph) >>>> 2018-01-14 21:30:57.132161 7f44ddd18e00 0 ceph version 12.2.2 >>>> (cf0baeeeeba3b47f9427c6c97e2144b094b7e5ba) luminous (stable), process >>>> (unknown), pid 13928 >>>> 2018-01-14 21:30:57.556672 7f44ddd18e00 -1 ERROR: failed to initialize >>>> watch: (34) Numerical result out of range >>>> 2018-01-14 21:30:57.558752 7f44ddd18e00 -1 Couldn't init storage provider >>>> (RADOS) >>>> >>>> (when started via systemctl it writes the same lines to the logfile) >>>> >>>> strange thing is that it is working on an other env that was installed with >>>> the same set of ansible playbooks. >>>> OS is CentOS Linux release 7.4.1708 (Core) >>>> >>>> Ceph is up and running ( I am currently using it for storing volumes and >>>> images form Openstack ) >>>> >>>> Does anyone have an idea how to debug this? >>>> >>>> >>>> According to https://access.redhat.com/solutions/2778161 this can >>>> happen if your pgp num is higher than the pg num. >>>> >>>> Check "ceph osd dump" output for that possibility. >>>> >>>> >>>> Best Regards >>>> Alexander >>>> >>>> _______________________________________________ >>>> ceph-users mailing list >>>> ceph-users@xxxxxxxxxxxxxx >>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>>> >>>> >>>> >>>> >>>> -- >>>> Cheers, >>>> Brad >>>> >>>> >>> >>> >>> >>> -- >>> Cheers, >>> Brad >> >> >> >> -- >> Cheers, >> Brad > > > -- Nikos Kormpakis - nkorb@xxxxxxxxxxxx Network Operations Center, Greek Research & Technology Network Tel: +30 210 7475712 - http://www.grnet.gr 7, Kifisias Av., 115 23 Athens, Greece _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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