From owner-freebsd-questions@FreeBSD.ORG Sun Oct 10 16:33:37 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6D38216A4CE for ; Sun, 10 Oct 2004 16:33:37 +0000 (GMT) Received: from mail.gmx.net (pop.gmx.de [213.165.64.20]) by mx1.FreeBSD.org (Postfix) with SMTP id 6E60243D1D for ; Sun, 10 Oct 2004 16:33:36 +0000 (GMT) (envelope-from Emanuel.Strobl@gmx.net) Received: (qmail 6707 invoked by uid 65534); 10 Oct 2004 16:33:35 -0000 Received: from flb.schmalzbauer.de (EHLO cale.flintsbach.schmalzbauer.de) (62.245.232.135) by mail.gmx.net (mp013) with SMTP; 10 Oct 2004 18:33:35 +0200 X-Authenticated: #301138 From: Emanuel Strobl To: freebsd-questions@freebsd.org Date: Sun, 10 Oct 2004 18:33:28 +0200 User-Agent: KMail/1.7 X-OS: FreeBSD X-Birthday: 10/06/72 X-Address: Munich, 80686 X-Tel: +49 89 18947781 X-CelPhone: +49 173 9967781 X-Country: Germany MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1583156.k1bAfKiTFH"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200410101833.34113.Emanuel.Strobl@gmx.net> Subject: MBR not overwritable with dd? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 10 Oct 2004 16:33:37 -0000 --nextPart1583156.k1bAfKiTFH Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline I tried to null out the MBR with the BETA7 fixit CD with the follwoing=20 command: dd if=3D/dev/zero of=3D/dev/ad0 count=3D16 After that fdsik still showed me a valid partition tabel! How? Does GEOM map the beginning of the raw device? Thank you in advance, =2DMano --nextPart1583156.k1bAfKiTFH Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQBBaWReBylq0S4AzzwRAppeAJ9sO4QyOiN29vbMFwIuUajLxwywsgCdHk5q F/Pc4KMv0bS/PNGFw7IJ5HQ= =AQxR -----END PGP SIGNATURE----- --nextPart1583156.k1bAfKiTFH--