Re: [PATCH 1/4] md: Factor out RAID6 algorithms into lib/

H. Peter Anvin
2009-07-17T15:49:33Z

Ric Wheeler wrote:
>>
>> The bottom line is pretty much this: the cost of changing the encoding
>> would appear to outweigh the benefit. I'm not trying to claim the Linux
>> RAID-6 implementation is optimal, but it is simple and appears to be
>> fast enough that the math isn't the bottleneck.
>
> Cost? Thank about how to get free grad student hours testing out things
> that you might or might not want to leverage on down the road :-)
>

Cost, yes, of changing an on-disk format.

-hpa