Re: Creating a 3-disk RAID6 array

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On 17/05/2012 16:04, John Robinson wrote:
On 17/05/2012 14:18, David Brown wrote:
Theoretically, a 3-disk RAID6 is like a 2-disk RAID5 or a 1-disk RAID1 -
I can't think of any good reason for it /not/ to support 3-disk
RAID6, as there is nothing in the algorithms to hinder it.

I've a vague recollection of Peter Anvin saying the implementation is
optimised in such a way that it won't work.

Okay, optimised implementation is a good reason for not supporting it! I only know the theory, I haven't studied the implementation well enough yet. (One day, when I get time... :-)



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