From: Clemens Schwaighofer <cs@tequila.co.jp>
To: Chuck Ebbert <76306.1226@compuserve.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Two RAID1 mirrors are faster than three
Date: Mon, 12 May 2003 13:35:52 +0900 [thread overview]
Message-ID: <3EBF24A8.1050100@tequila.co.jp> (raw)
In-Reply-To: <200305112212_MC3-1-386B-32BF@compuserve.com>
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Chuck Ebbert wrote:
> Add the third disk back into the array:
> # raidhotadd /dev/md21 /dev/hde9
> [rebuilt 3000MiB in 313s == (3000+3000)/313 == 19MiB/s throughput]
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?
- --
Clemens Schwaighofer - IT Engineer & System Administration
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Tequila Japan, 6-17-2 Ginza Chuo-ku, Tokyo 104-8167, JAPAN
Tel: +81-(0)3-3545-7703 Fax: +81-(0)3-3545-7343
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next prev parent reply other threads:[~2003-05-12 4:23 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 [this message]
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
2003-05-15 7:21 ` Riley Williams
2003-05-15 10:51 ` Anders Karlsson
2003-05-19 8:19 ` Jakob Oestergaard
-- strict thread matches above, loose matches on Subject: below --
2003-05-12 16:32 Chuck Ebbert
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