From: "Peter W. Morreale" <morreale@sgi.com>
To: Chris Pearson <kermit4@gmail.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: with raid-6 any writes access all disks
Date: Wed, 26 Oct 2011 15:23:26 -0600 [thread overview]
Message-ID: <1319664206.3930.2.camel@hermosa.site> (raw)
In-Reply-To: <CAGtzr3c65BXDfWZq4ejKwCZv7hPZmdCpvQP17RgFS-Vrn2YF5Q@mail.gmail.com>
On Wed, 2011-10-26 at 16:01 -0500, Chris Pearson wrote:
> In 2.6.39.1, any writes to a raid-6 array cause all disks to be
> accessed. Though I don't understand the math behind raid-6, I have
> tested on LSI cards that it is possible to only access 3 disks.
> --
Hi Chris,
Did you mean to ask a question?
Thx,
-PWM
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next prev parent reply other threads:[~2011-10-26 21:23 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-26 21:01 with raid-6 any writes access all disks Chris Pearson
2011-10-26 21:23 ` Peter W. Morreale [this message]
2011-10-26 21:23 ` NeilBrown
2011-10-26 22:30 ` H. Peter Anvin
2011-10-27 9:29 ` David Brown
2011-10-27 12:22 ` H. Peter Anvin
2011-10-27 13:05 ` David Brown
2011-11-01 22:22 ` H. Peter Anvin
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