Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261886AbTELEXb (ORCPT ); Mon, 12 May 2003 00:23:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261892AbTELEXb (ORCPT ); Mon, 12 May 2003 00:23:31 -0400 Received: from smtp3.cwidc.net ([154.33.63.113]:56307 "EHLO smtp3.cwidc.net") by vger.kernel.org with ESMTP id S261886AbTELEX1 (ORCPT ); Mon, 12 May 2003 00:23:27 -0400 Message-ID: <3EBF24A8.1050100@tequila.co.jp> Date: Mon, 12 May 2003 13:35:52 +0900 From: Clemens Schwaighofer User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4b) Gecko/20030506 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Chuck Ebbert <76306.1226@compuserve.com>, Linux Kernel Mailing List Subject: Re: Two RAID1 mirrors are faster than three References: <200305112212_MC3-1-386B-32BF@compuserve.com> In-Reply-To: <200305112212_MC3-1-386B-32BF@compuserve.com> X-Enigmail-Version: 0.75.0.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1181 Lines: 33 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 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 ========================================================== Tequila Japan, 6-17-2 Ginza Chuo-ku, Tokyo 104-8167, JAPAN Tel: +81-(0)3-3545-7703 Fax: +81-(0)3-3545-7343 http://www.tequila.jp ========================================================== -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQE+vySnjBz/yQjBxz8RAi+jAJ96566475BKb8o21/A7Wlzztba1jQCfSCnG EchYBgaJBdvOPzVbx9rPorU= =Ydkv -----END PGP SIGNATURE----- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/