From owner-freebsd-geom@FreeBSD.ORG Mon Mar 8 17:48:39 2010 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 376EC1065675 for ; Mon, 8 Mar 2010 17:48:39 +0000 (UTC) (envelope-from petefrench@ticketswitch.com) Received: from constantine.ticketswitch.com (constantine.ticketswitch.com [IPv6:2002:57e0:1d4e:1::3]) by mx1.freebsd.org (Postfix) with ESMTP id 012008FC08 for ; Mon, 8 Mar 2010 17:48:38 +0000 (UTC) Received: from dilbert.rattatosk ([10.64.50.6] helo=dilbert.ticketswitch.com) by constantine.ticketswitch.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.69 (FreeBSD)) (envelope-from ) id 1Noh4B-0004I2-6n; Mon, 08 Mar 2010 17:48:31 +0000 Received: from petefrench by dilbert.ticketswitch.com with local (Exim 4.71 (FreeBSD)) (envelope-from ) id 1Noh4B-000JjD-5u; Mon, 08 Mar 2010 17:48:31 +0000 Date: Mon, 08 Mar 2010 17:48:31 +0000 Message-Id: To: avg@icyb.net.ua, xcllnt@mac.com In-Reply-To: <761C8533-B1DC-4DC7-8B2E-9CB1A8A5BEF8@mac.com> From: Pete French Cc: freebsd-geom@freebsd.org Subject: Re: another gpt vs mbr (sanity) check X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Mar 2010 17:48:39 -0000 > To clarify: the protective MBR is there only to protect the GPT > disk from tools that do not understand the GPT. Any GPT-aware > tool will treat the disk as a GPT disk. Consequently: the MBR > is inferior to the GPT... The queston is then, why isn't Windows treating it as GPT ? It's all very nice in theory, but if the practical upshot is that we get flash media which will read perfectly well in all operating systems except for BSD then thats not a good result, even if it is theoretically correct. Which is the situation the original poster appeared to have. -pete.