First link should be this one 
http://docs.ceph.com/docs/jewel/install/upgrading-ceph/#upgrade-procedures 
<http://docs.ceph.com/docs/jewel/install/upgrading-ceph/#upgrade-procedures> 
rather than 
http://docs.ceph.com/docs/mimic/install/upgrading-ceph/#upgrade-procedures 
<http://docs.ceph.com/docs/mimic/install/upgrading-ceph/#upgrade-procedures> to 
be consistent.

JC

> On Jul 22, 2019, at 13:38, JC Lopez <jelo...@redhat.com> wrote:
> 
> Hi 
> 
> you’ll have to go from Hammer to Jewel then from Jewel to Luminous for a 
> smooth upgrade.
> - http://docs.ceph.com/docs/mimic/install/upgrading-ceph/#upgrade-procedures 
> <http://docs.ceph.com/docs/mimic/install/upgrading-ceph/#upgrade-procedures>
> - 
> http://docs.ceph.com/docs/luminous/release-notes/#upgrading-from-pre-jewel-releases-like-hammer
>  
> <http://docs.ceph.com/docs/luminous/release-notes/#upgrading-from-pre-jewel-releases-like-hammer>
> 
> Make sure to check any special upgrade requirement from the release notes.
> - 
> http://docs.ceph.com/docs/jewel/release-notes/#upgrading-from-infernalis-or-hammer
>  
> <http://docs.ceph.com/docs/jewel/release-notes/#upgrading-from-infernalis-or-hammer>
> - 
> http://docs.ceph.com/docs/luminous/release-notes/#upgrade-from-jewel-or-kraken
>  
> <http://docs.ceph.com/docs/luminous/release-notes/#upgrade-from-jewel-or-kraken>
> 
> Regards
> JC
> 
>> On Jul 22, 2019, at 12:20, Armin Ranjbar <z...@zoup.org 
>> <mailto:z...@zoup.org>> wrote:
>> 
>> Dear Everyone,
>> 
>> First of all, guys, seriously, Thank you for Ceph.
>> 
>> now to the problem, upgrading ceph from 0.94.6 
>> (e832001feaf8c176593e0325c8298e3f16dfb403) to 12.2.12-218-g9fd889f 
>> (9fd889fe09c652512ca78854702d5ad9bf3059bb), ceph-mon seems unable to upgrade 
>> it's database, problem is gone if i --force-sync.
>> 
>> This is the message:
>> terminate called after throwing an instance of 
>> 'ceph::buffer::malformed_input'
>>   what():  buffer::malformed_input: void 
>> object_stat_sum_t::decode(ceph::buffer::list::iterator&) decode past end of 
>> struct encoding
>> *** Caught signal (Aborted) **
>> 
>> attached is full log, the output of:
>> ceph-mon --debug_mon 100 -i node-1 -d
>> 
>> ---
>> Armin ranjbar
>> 
>> <mon-error.txt>_______________________________________________
>> ceph-users mailing list
>> ceph-users@lists.ceph.com <mailto:ceph-users@lists.ceph.com>
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> 

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