From owner-freebsd-arch@FreeBSD.ORG Tue Jul 11 15:04:03 2006 Return-Path: X-Original-To: freebsd-arch@freebsd.org Delivered-To: freebsd-arch@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9A3A216A4EA; Tue, 11 Jul 2006 15:04:03 +0000 (UTC) (envelope-from ceri@submonkey.net) Received: from shrike.submonkey.net (cpc2-cdif2-0-0-cust107.cdif.cable.ntl.com [81.104.168.108]) by mx1.FreeBSD.org (Postfix) with ESMTP id D04B743D66; Tue, 11 Jul 2006 15:04:02 +0000 (GMT) (envelope-from ceri@submonkey.net) Received: from ceri by shrike.submonkey.net with local (Exim 4.62 (FreeBSD)) (envelope-from ) id 1G0JmL-000KWe-6y; Tue, 11 Jul 2006 16:04:01 +0100 Date: Tue, 11 Jul 2006 16:04:01 +0100 From: Ceri Davies To: John Baldwin Message-ID: <20060711150401.GI65857@submonkey.net> Mail-Followup-To: Ceri Davies , John Baldwin , freebsd-arch@freebsd.org, Robert Watson , Craig Rodrigues , Scott Long , freebsd-current@freebsd.org References: <20060708152801.GA3671@crodrigues.org> <20060711124356.Y78628@fledge.watson.org> <20060711132752.GF65857@submonkey.net> <200607110954.01691.jhb@freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="+sHJum3is6Tsg7/J" Content-Disposition: inline In-Reply-To: <200607110954.01691.jhb@freebsd.org> X-PGP: finger ceri@FreeBSD.org User-Agent: Mutt/1.5.11 Sender: Ceri Davies Cc: Craig Rodrigues , Scott Long , freebsd-current@freebsd.org, Robert Watson , freebsd-arch@freebsd.org Subject: Re: [RFC] mount can figure out fstype automatically X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Jul 2006 15:04:03 -0000 --+sHJum3is6Tsg7/J Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jul 11, 2006 at 09:54:00AM -0400, John Baldwin wrote: > On Tuesday 11 July 2006 09:27, Ceri Davies wrote: > >=20 > > Assuming that there is a valid partition type. I don't really know what > > this makes, but there's a valid FAT filesystem on it: > >=20 > > % truncate -s 1440k floppy > > % sudo mdconfig -a -f floppy=20 > > md1 > > % sudo newfs_msdos -f 1440 /dev/md1 > > /dev/md1: 2847 sectors in 2847 FAT12 clusters (512 bytes/cluster) > > bps=3D512 spc=3D1 res=3D1 nft=3D2 rde=3D224 sec=3D2880 mid=3D0xf0 spf= =3D9 spt=3D18 hds=3D2 hid=3D0 > > % sudo mount -t msdos /dev/md1 /mnt > > % df -h /mnt > > Filesystem Size Used Avail Capacity Mounted on > > /dev/md1 1.4M 1.0K 1.4M 0% /mnt > > {ceri@shrike}-{~} % fdisk /dev/md1 > > ******* Working on device /dev/md1 ******* > > parameters extracted from in-core disklabel are: > > cylinders=3D0 heads=3D255 sectors/track=3D63 (16065 blks/cyl) > >=20 > > parameters to be used for BIOS calculations are: > > cylinders=3D0 heads=3D255 sectors/track=3D63 (16065 blks/cyl) > >=20 > > Media sector size is 512 > > Warning: BIOS sector numbering starts with sector 1 > > Information from DOS bootblock is: > > The data for partition 1 is: > > > > The data for partition 2 is: > > > > The data for partition 3 is: > > > > The data for partition 4 is: > > > >=20 > > Ceri >=20 > Dos floppies don't have an MBR (so fdisk on them is meaningless). That agrees with observation :) Thanks! Ceri --=20 That must be wonderful! I don't understand it at all. -- Moliere --+sHJum3is6Tsg7/J Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (FreeBSD) iD8DBQFEs73gocfcwTS3JF8RAlfpAJ9Vrmj2JBz7qJVJXraRdSNp7zPTWwCfYPtr /MA7r0NQO8fHKd/5zJ9dBh0= =z1zj -----END PGP SIGNATURE----- --+sHJum3is6Tsg7/J--