Thanks for the info
, paul.
Our cluster is 130gb in size, at present.
We are starting out in ceph
adoption in our company.
At present, I am looking for guidance from the community. It ll help us, as
well in learning more about the product and available support.
Thanks,
On Fri, 10 Aug 2018 at 9:52 PM, Paul Emmerich <paul.emmer...@croit.io>
wrote:
> Sorry, a step-by-step guide through something like that
> is beyond the scope of what we can do on a mailing list.
>
> But what I would do here is carefully asses the situation/
> the damage. My wild guess would be to reset and rebuild
> the inode table but that might be incorrect and unsafe
> without further looking into it.
>
> I don't want to solicit our services here, but we do Ceph
> recoveries regularly; reach out to us if you are looking
> for a consultant.
>
>
>
> Paul
>
>
> 2018-08-10 18:05 GMT+02:00 Amit Handa <amit.ha...@gmail.com>:
>
>> Thanks alot, Paul.
>> we did (hopefully) follow through with the disaster recovery.
>> however, please guide me in how to get the cluster back up !
>>
>> Thanks,
>>
>>
>> On Fri, Aug 10, 2018 at 9:32 PM Paul Emmerich <paul.emmer...@croit.io>
>> wrote:
>>
>>> Looks like you got some duplicate inodes due to corrupted metadata, you
>>> likely tried to a disaster recovery and didn't follow through it
>>> completely or
>>> you hit some bug in Ceph.
>>>
>>> The solution here is probably to do a full recovery of the metadata/full
>>> backwards scan after resetting the inodes. I've recovered a cluster from
>>> something similar just a few weeks ago. Annoying but recoverable.
>>>
>>> Paul
>>>
>>> 2018-08-10 13:26 GMT+02:00 Amit Handa <amit.ha...@gmail.com>:
>>>
>>>> We are facing constant crash from ceph mds. We have installed mimic
>>>> (v13.2.1).
>>>>
>>>> mds: cephfs-1/1/1 up {0=node2=up:active(laggy or crashed)}
>>>>
>>>> *mds logs: https://pastebin.com/AWGMLRm0
>>>> <https://pastebin.com/AWGMLRm0>*
>>>>
>>>> we have followed the DR steps listed at
>>>>
>>>> *http://docs.ceph.com/docs/mimic/cephfs/disaster-recovery/
>>>> <http://docs.ceph.com/docs/mimic/cephfs/disaster-recovery/> *
>>>>
>>>> please help in resolving the errors :(
>>>>
>>>> mds crash stacktrace
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> * ceph version 13.2.1 (5533ecdc0fda920179d7ad84e0aa65a127b20d77) mimic
>>>> (stable) 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char
>>>> const*)+0xff) [0x7f984fc3ee1f] 2: (()+0x284fe7) [0x7f984fc3efe7] 3:
>>>> (()+0x2087fe) [0x5563e88537fe] 4:
>>>> (Server::prepare_new_inode(boost::intrusive_ptr<MDRequestImpl>&, CDir*,
>>>> inodeno_t, unsigned int, file_layout_t*)+0xf37) [0x5563e87ce777] 5:
>>>> (Server::handle_client_openc(boost::intrusive_ptr<MDRequestImpl>&)+0xdb0)
>>>> [0x5563e87d0bd0] 6: (Server::handle_client_request(MClientRequest*)+0x49e)
>>>> [0x5563e87d3c0e] 7: (Server::dispatch(Message*)+0x2db) [0x5563e87d789b] 8:
>>>> (MDSRank::handle_deferrable_message(Message*)+0x434) [0x5563e87514b4] 9:
>>>> (MDSRank::_dispatch(Message*, bool)+0x63b) [0x5563e875db5b] 10:
>>>> (MDSRank::retry_dispatch(Message*)+0x12) [0x5563e875e302] 11:
>>>> (MDSInternalContextBase::complete(int)+0x67) [0x5563e89afb57] 12:
>>>> (MDSRank::_advance_queues()+0xd1) [0x5563e875cd51] 13:
>>>> (MDSRank::ProgressThread::entry()+0x43) [0x5563e875d3e3] 14: (()+0x7e25)
>>>> [0x7f984d869e25] 15: (clone()+0x6d) [0x7f984c949bad] NOTE: a copy of the
>>>> executable, or `objdump -rdS <executable>` is needed to interpret this.*
>>>>
>>>> --
>>>> Loading ...
>>>>
>>>> _______________________________________________
>>>> ceph-users mailing list
>>>> ceph-users@lists.ceph.com
>>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>>>
>>>>
>>>
>>>
>>> --
>>> Paul Emmerich
>>>
>>> Looking for help with your Ceph cluster? Contact us at https://croit.io
>>>
>>> croit GmbH
>>> Freseniusstr. 31h
>>> <https://maps.google.com/?q=Freseniusstr.+31h+81247+M%C3%BCnchen&entry=gmail&source=g>
>>> 81247 München
>>> <https://maps.google.com/?q=Freseniusstr.+31h+81247+M%C3%BCnchen&entry=gmail&source=g>
>>> www.croit.io
>>> Tel: +49 89 1896585 90
>>>
>>
>>
>> --
>> Loading ...
>>
>
>
>
> --
> Paul Emmerich
>
> Looking for help with your Ceph cluster? Contact us at https://croit.io
>
> croit GmbH
> Freseniusstr. 31h
> <https://maps.google.com/?q=Freseniusstr.+31h+81247+M%C3%BCnchen&entry=gmail&source=g>
> 81247 München
> <https://maps.google.com/?q=Freseniusstr.+31h+81247+M%C3%BCnchen&entry=gmail&source=g>
> www.croit.io
> Tel: +49 89 1896585 90
>
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