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Date:      Tue, 26 Jul 2011 07:58:32 -0700
From:      Chuck Swiger <cswiger@mac.com>
To:        Jerome Herman <jherman@dichotomia.fr>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: Making world but no kernel
Message-ID:  <23BD778B-B9A4-43ED-97C6-4DF2D13F80F2@mac.com>
In-Reply-To: <4E2ECE62.4050605@dichotomia.fr>
References:  <4E2E9F24.1040108@dichotomia.fr> <20110726114438.GA86683@icarus.home.lan> <4E2EB814.9040704@dichotomia.fr> <20110726131655.GA88280@icarus.home.lan> <4E2ECE62.4050605@dichotomia.fr>

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On Jul 26, 2011, at 7:25 AM, Jerome Herman wrote:
> Actually it is Raid 10 of a sort. Three first halves of the three disk concatenated and mirrored on the three second half of the same drives.

There's a significant problem right there.  Not only will that configuration badly degrade the performance of the RAID volume, it also compromises the goal of redundancy which RAID-1 is supposed to provide.

Regards,
-- 
-Chuck




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