Re: Stopping ceph daemons during the upgrade

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Good idea :-)

On 18/08/2014 18:08, Sage Weil wrote:
> On Mon, 18 Aug 2014, Loic Dachary wrote:
>> Hi Dan,
>>
>> Pre-loading the erasure code plugins will reduce this race condition 
>> (i.e. the files will have to be modified between the start of the 
>> ceph-osd process and the bootstrap phase where it loads the plugins for 
>> it to happen) and it seems to be preferable to stopping the daemons. 
>> Thanks for giving an additional incentive to go in this direction !
> 
> BTW Loic, one other thing would could do is have a number or string in the 
> .so interface that we bump when the interface changes.  Then loading the 
> plugin could fail with a friendly message instead of crashing.
> 
> sage
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-- 
Loïc Dachary, Artisan Logiciel Libre

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