From: Lars Marowsky-Bree <lmb@suse.de>
To: Clemens Schwaighofer <cs@tequila.co.jp>,
Anders Karlsson <anders@trudheim.com>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: Two RAID1 mirrors are faster than three
Date: Mon, 12 May 2003 16:56:24 +0200 [thread overview]
Message-ID: <20030512145624.GZ10519@marowsky-bree.de> (raw)
In-Reply-To: <3EBF5DF2.2080204@tequila.co.jp>
On 2003-05-12T17:40:18,
Clemens Schwaighofer <cs@tequila.co.jp> said:
> that sounds like a super special featuer never needed in Software (!!)
> Raid thing (IMvHO).
No.
3way mirroring is actually rather useful. You can take a failure and
_still_ be fully redundant (ie, like a hot-spare, just already synced).
In theory, you could even read from three drives and correct errors on
one drive.
Sincerely,
Lars Marowsky-Brée <lmb@suse.de>
--
SuSE Labs - Research & Development, SuSE Linux AG
"If anything can go wrong, it will." "Chance favors the prepared (mind)."
-- Capt. Edward A. Murphy -- Louis Pasteur
next prev parent reply other threads:[~2003-05-12 14:44 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-12 2:10 Two RAID1 mirrors are faster than three Chuck Ebbert
2003-05-12 4:35 ` Clemens Schwaighofer
2003-05-12 5:10 ` Anders Karlsson
2003-05-12 5:41 ` Paul P Komkoff Jr
2003-05-12 7:23 ` Anders Karlsson
2003-05-12 8:40 ` Clemens Schwaighofer
2003-05-12 9:30 ` [OT] " Anders Karlsson
2003-05-12 11:20 ` Paul P Komkoff Jr
2003-05-12 14:29 ` Valdis.Kletnieks
2003-05-13 2:24 ` Clemens Schwaighofer
2003-05-13 7:41 ` Anders Karlsson
2003-05-12 14:56 ` Lars Marowsky-Bree [this message]
2003-05-15 7:21 ` Riley Williams
2003-05-15 10:51 ` Anders Karlsson
2003-05-19 8:19 ` Jakob Oestergaard
2003-05-12 16:32 Chuck Ebbert
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