From mboxrd@z Thu Jan  1 00:00:00 1970
From: Justin Piszcz <jpiszcz@lucidpixels.com>
Subject: Re: detection/correction of corruption with raid6
Date: Fri, 5 Dec 2008 16:02:41 -0500 (EST)
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To: Redeeman <redeeman@metanurb.dk>
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On Fri, 5 Dec 2008, Redeeman wrote:

> Hello.
>
> I was looking at the PDFs linked to from the wiki, and found this:
> http://kernel.org/pub/linux/kernel/people/hpa/raid6.pdf
>
> More specifically, section 4, starting on page 8.
>
> Am I understanding this correctly, in that with raid6, linux is capable
> of detecting if the content on 1 disk is corrupted, and reconstruct it
> from the remaining disks?

I ran md/raid6 for awhile, do you mean remap the bad sector on the fly? 
Linux/md raid does not do this afaik.

But it can recover from a single or double disk failure, I have had both 
happen.

Justin.