Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 12 Dec 2002 15:04:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 12 Dec 2002 15:04:14 -0500 Received: from sun.cesr.ncsu.edu ([152.14.51.17]:40638 "EHLO sun.cesr.ncsu.edu") by vger.kernel.org with ESMTP id ; Thu, 12 Dec 2002 15:04:13 -0500 Date: Thu, 12 Dec 2002 15:12:01 -0500 (EST) From: Anu X-X-Sender: avaidya@sun.cesr.ncsu.edu To: linux-kernel@vger.kernel.org Subject: detecting layout in RAID In-Reply-To: <20021211183059.A19030@light-brigade.mit.edu> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 756 Lines: 23 hello, I am trying to detect layouts of the RAID configuration (I have a software RAID set up. ) Mine is currently left symmetric and the way I am trying to detect layout is to reaad consecutive blocks and look for whether there is a big dp when it has to move all the way across.. there seems to be no such thing. e.g. 1 2 3 P 5 6 P 4 9 P 7 8 P 10 11 12 should show some timing difference when block 5 is read - i get an exponentially decreasing curve ! any ideas? or other newsgroups i can hit - 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/