From owner-freebsd-fs@FreeBSD.ORG Fri Aug 24 11:30:39 2012 Return-Path: Delivered-To: freebsd-fs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 88A75106566B for ; Fri, 24 Aug 2012 11:30:39 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 5A8698FC16 for ; Fri, 24 Aug 2012 11:30:39 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id q7OBUceS001224 for ; Fri, 24 Aug 2012 11:30:39 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id q7OBUa24001103; Fri, 24 Aug 2012 11:30:37 GMT (envelope-from gnats) Date: Fri, 24 Aug 2012 11:30:37 GMT Message-Id: <201208241130.q7OBUa24001103@freefall.freebsd.org> To: freebsd-fs@FreeBSD.org From: "Andrey V. Elsukov" Cc: Subject: Re: kern/170945: [gpt] disk layout not portable between direct connect and USB bridge X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: "Andrey V. Elsukov" List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Aug 2012 11:30:39 -0000 The following reply was made to PR kern/170945; it has been noted by GNATS. From: "Andrey V. Elsukov" To: bug-followup@FreeBSD.org, freebsd@sopwith.solgatos.com Cc: Subject: Re: kern/170945: [gpt] disk layout not portable between direct connect and USB bridge Date: Fri, 24 Aug 2012 15:29:04 +0400 Hi, GPT uses logical block addresses, not bytes. So, if you changed sector size, then you lose the access to the GPT. If you want get access to GPT, that has been created on the device with 4k sized sector, then you can use geom_nop(4). -- WBR, Andrey V. Elsukov