From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 15 Aug 2001 22:16:23 +0200 From: Andrea Arcangeli Subject: Re: [linux-lvm] Re: *** ANNOUNCEMENT *** LVM 1.0 available at www.sistina.com Message-ID: <20010815221623.C11146@athlon.random> References: <20010815175659.A29749@sistina.com> <20010815182548.U3941@gum01m.etpnet.phys.tue.nl> <20010815185005.A32239@sistina.com> <20010815190428.A11146@athlon.random> <20010815210622.A1221@btconnect.com> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <20010815210622.A1221@btconnect.com>; from thornber@btconnect.com on Wed, Aug 15, 2001 at 09:06:22PM +0100 Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Joe Thornber Cc: Kurt Garloff , linux-lvm@sistina.com, lvm-devel@sistina.com, linux-kernel@vger.kernel.org On Wed, Aug 15, 2001 at 09:06:22PM +0100, Joe Thornber wrote: > In previous beta releases of LVM the PE position was always being > calculated, rather than calculated upon PV creation and put in the > metadata. I was not aware of this. > > This calculation varied through the beta series, it was based on some > constants that I changed (eg, SECTOR_SIZE which I changed to support You can put the algorithm used by beta7 in a separate program and ask this program where the pe start. Since the beta7 tools knows where the pe_start (the proof is that I can use lvm in my machines), also this new program will know where the pe_start. Andrea