Re: 3-way mirrors

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On Tue, Sep 7, 2010 at 10:19 AM, George Spelvin <linux@xxxxxxxxxxx> wrote:
> Anyway, one nice property of a 2-drive redundancy (3+-way mirror or
> RAID-6) is error detection: in case of a mismatch, it's possible to
> finger the offending drive.
>
> My understanding of the current code is that it just copies one mirror
> (the first readable?) to the others.  Does someone have a patch to vote
> on the data?  If not, can someone point me at the relevant bit of code
> and orient me enough that I can create it?

This might be useful reading:

http://neil.brown.name/blog/20100211050355
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