Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 21 Nov 2002 18:28:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 21 Nov 2002 18:28:41 -0500 Received: from [213.213.74.131] ([213.213.74.131]:12502 "EHLO percy.comedia.it") by vger.kernel.org with ESMTP id ; Thu, 21 Nov 2002 18:28:40 -0500 Date: Fri, 22 Nov 2002 00:35:47 +0100 From: Luca Berra To: linux-raid@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: Re: RFC - new raid superblock layout for md driver Message-ID: <20021121233546.GB23949@percy.comedia.it> Mail-Followup-To: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org References: <15835.2798.613940.614361@notabene.cse.unsw.edu.au> <20021120160259.GW806@nic1-pc.us.oracle.com> <15836.7011.785444.979392@notabene.cse.unsw.edu.au> <20021121014625.GA14063@redhat.com> <20021121193424.GB770@nic1-pc.us.oracle.com> <20021121195406.GF14063@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20021121195406.GF14063@redhat.com> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1047 Lines: 26 On Thu, Nov 21, 2002 at 02:54:06PM -0500, Doug Ledford wrote: >is wrong. There *should* be no md superblocks, there should only be dm >superblocks on LVM physical devices and those DM superblocks should >include the data needed to fire up the proper md module on the proper >physical extents based upon what mapper technology is specified in the >DM superblock and what layout is specified in the DM superblock. In my there are no DM superblocks, DM only maps sectors of existing devices into new (logical) device. the decision of which sectors should be mapped and where rests in user-space be it LVM2, dmsetup, EVMS or whatever. Regards, L. -- Luca Berra -- bluca@comedia.it Communication Media & Services S.r.l. /"\ \ / ASCII RIBBON CAMPAIGN X AGAINST HTML MAIL / \ - 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/