Re: RAID-6 support in kernel?

From: Vojtech Pavlik (vojtech@suse.cz)
Date: Mon Jun 03 2002 - 09:55:49 EST

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On Mon, Jun 03, 2002 at 04:52:16PM +0200, Kasper Dupont wrote:

> > He was thinking "mirror", not "stripe". Mirror of 2 RAID-5 arrays (would
> > be probably called RAID-15 (when there is a RAID-10 for mirrored stripe
> > arrays)), can withstand any two disks failing anytime.
>
> It can actually withstand any *three* disks failing anytime.

Yes, you're right.

> > Even more for
> > certain combinations. But it is terribly inefficient.

-- 
Vojtech Pavlik
SuSE Labs
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