From: Chuck Ebbert <76306.1226@compuserve.com>
To: Clemens Schwaighofer <cs@tequila.co.jp>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Two RAID1 mirrors are faster than three
Date: Mon, 12 May 2003 12:32:16 -0400 [thread overview]
Message-ID: <200305121234_MC3-1-3882-CFED@compuserve.com> (raw)
Clemens Schwaighofer wrote:
> Why three drives in a Raid1? Raid one is just mirror, or is the third
> drive like a "hot" replace drive if one of the others fail?
The goal is to get better (read) performance, as well as extra
redundancy. The system is supposed to balance reads among the
available drives but in this case it breaks when there are more
than two disks.
I have a "changes way too much code" patch that fixes this; guess
I should at least post it and see what happens...
next reply other threads:[~2003-05-12 16:21 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-12 16:32 Chuck Ebbert [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-05-12 2:10 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 14:56 ` Lars Marowsky-Bree
2003-05-15 7:21 ` Riley Williams
2003-05-15 10:51 ` Anders Karlsson
2003-05-19 8:19 ` Jakob Oestergaard
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