Re: [PATCH 009 of 11] md: Support stripe/offset mode in raid10

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NeilBrown wrote:
> The "industry standard" DDF format allows for a stripe/offset layout
> where data is duplicated on different stripes. e.g.
>
>   A  B  C  D	
>   D  A  B  C	
>   E  F  G  H	
>   H  E  F  G	
>
> (columns are drives, rows are stripes, LETTERS are chunks of data).

Presumably, this is the case for --layout=f2 ?
If so, would --layout=f4 result in a 4-mirror/striped array?

Also, would it be possible to have a staged write-back mechanism across 
multiple stripes?

Thanks!

--
Al

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