Re: erasure coded pool why ever k>1?

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On 21/01/2015 22:42, Chad William Seys wrote:
> Hello all,
>   What reasons would one want k>1?
>   I read that m determines the number of OSD which can fail before loss.  But 
> I don't see explained how to choose k.  Any benefits for choosing k>1?

The size of each chunk is object size / K. If you have K=1 and M=2 it will be the same as 3 replicas with none of the advantages ;-)

Cheers

-- 
Loïc Dachary, Artisan Logiciel Libre

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