On Wed, Jan 17, 2018 at 2:20 AM, Nikos Kormpakis <nk...@noc.grnet.gr> wrote:
> On 01/16/2018 12:53 AM, Brad Hubbard wrote:
>> On Tue, Jan 16, 2018 at 1:35 AM, Alexander Peters <apet...@sphinx.at> 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].

Unfortunately, the strlen lines in that output are expected.

Is it possible for me to access the ltrace output file somehow
(you could email it directly or use  ceph-post-file perhaps)?

>
> 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" <bhubb...@redhat.com>
>>> An: "Alexander Peters" <alexander.pet...@sphinx.at>
>>> CC: "Ceph Users" <ceph-users@lists.ceph.com>
>>> Gesendet: Montag, 15. Januar 2018 03:09:53
>>> Betreff: Re: [ceph-users] 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 <bhubb...@redhat.com> wrote:
>>>> On Mon, Jan 15, 2018 at 10:38 AM, Alexander Peters
>>>> <alexander.pet...@sphinx.at> 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 <bhubb...@redhat.com>:
>>>>>
>>>>> On Mon, Jan 15, 2018 at 8:34 AM, Alexander Peters
>>>>> <alexander.pet...@sphinx.at> 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@lists.ceph.com
>>>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Cheers,
>>>>> Brad
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Cheers,
>>>> Brad
>>>
>>>
>>>
>>> --
>>> Cheers,
>>> Brad
>>
>>
>>
>
>
> --
> Nikos Kormpakis - nk...@noc.grnet.gr
> 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@lists.ceph.com
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com



-- 
Cheers,
Brad
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