Re: [md PATCH 15/23] md/raid10 - support resizing some RAID10 arrays.

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On Wed, 14 Mar 2012 07:17:46 +0100 keld@xxxxxxxxxx wrote:

> Hi Neil
> 
> What is the problem with adding space to the 'far' layout?
> 
> I would think you could just create the new array part 1 from the old array part 2, and
> then sync the new array part 2 with the new array part 1. (in the case of a far=2 array,
> for n>2 similar constructs would apply).

If I understand your proposal correctly, you would lose redundancy during the
process, which is not acceptable.

If I don't understand properly - please explain in a bit more detail.

Thanks,
NeilBrown

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