From owner-freebsd-stable@FreeBSD.ORG Mon Jul 28 07:27:46 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id EB3FBA80 for ; Mon, 28 Jul 2014 07:27:46 +0000 (UTC) Received: from kagate.punkt.de (kagate.punkt.de [217.29.33.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 7E8E628C8 for ; Mon, 28 Jul 2014 07:27:45 +0000 (UTC) Received: from hugo10.ka.punkt.de ([217.29.45.10]) by gate2.intern.punkt.de with ESMTP id s6S7Rbm4074864; Mon, 28 Jul 2014 09:27:37 +0200 (CEST) Received: from hausen-mbp.intern.punkt.de (hausen-mbp.intern.punkt.de [217.29.45.110] (may be forged)) by hugo10.ka.punkt.de (8.14.2/8.14.2) with ESMTP id s6S7RbWh028092; Mon, 28 Jul 2014 09:27:37 +0200 (CEST) (envelope-from hausen@punkt.de) Content-Type: text/plain; charset=iso-8859-1 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Subject: Re: Gmirror + gpart corruption on 9.3-PRE From: "Patrick M. Hausen" In-Reply-To: Date: Mon, 28 Jul 2014 09:27:38 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: <116A9F89-3C09-4C00-91F4-2776BBAE146B@punkt.de> References: <53D1BDB2.7030906@jetcafe.org> <53D1DD47.4040403@jetcafe.org> To: Warren Block X-Mailer: Apple Mail (2.1878.6) Cc: freebsd-stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Jul 2014 07:27:47 -0000 Hi, all, Am 25.07.2014 um 15:45 schrieb Warren Block : > On Fri, 25 Jul 2014, Patrick M. Hausen wrote: >=20 >> Am 25.07.2014 um 07:34 schrieb Warren Block : >>> True. But partitioning can be specific to the drive. It's not like = GPT-partitioned drives can be copied with dd (well, not correctly). >>=20 >> Errrr ... sorry, but ... could you please elaborate on that? Up until = now I was sure that any drive could be >> copied with dd(1). >>=20 >> Puzzled. :-) >=20 > GPT partitioning puts a primary partition table at the beginning of = the drive, and a backup partition table at the end of the drive. Thanks. I knew that. Never assume ... as usual. Of course I was thinking = "same sized disks", so your comment really made me wonder if there was anything as pervert as disk serial = numbers or other UUIDs in the partition information that would not work when copied blockwise. Best regards Patrick --=20 punkt.de GmbH * Kaiserallee 13a * 76133 Karlsruhe Tel. 0721 9109 0 * Fax 0721 9109 100 info@punkt.de http://www.punkt.de Gf: J=FCrgen Egeling AG Mannheim 108285