From owner-freebsd-stable@FreeBSD.ORG Tue Feb 22 12:53:47 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DC4441065695 for ; Tue, 22 Feb 2011 12:53:47 +0000 (UTC) (envelope-from lists@c0mplx.org) Received: from home.opsec.eu (home.opsec.eu [IPv6:2001:14f8:200::1]) by mx1.freebsd.org (Postfix) with ESMTP id 970828FC1C for ; Tue, 22 Feb 2011 12:53:47 +0000 (UTC) Received: from pi by home.opsec.eu with local (Exim 4.72 (FreeBSD)) (envelope-from ) id 1PrrkS-000Dy4-9q for freebsd-stable@freebsd.org; Tue, 22 Feb 2011 13:53:48 +0100 Date: Tue, 22 Feb 2011 13:53:48 +0100 From: Kurt Jaeger To: freebsd-stable@freebsd.org Message-ID: <20110222125348.GV34314@home.opsec.eu> References: <4D5D1D10.7010000@digsys.bg> <20110217180140.GL66849@dan.emsphone.com> <20110217204643.GJ34314@home.opsec.eu> <37576665@h30.sp.ipt.ru> <20110221161637.GR34314@home.opsec.eu> <71493761@h30.sp.ipt.ru> <20110221165521.GS34314@home.opsec.eu> <92928271@h30.sp.ipt.ru> <20110222092311.GU34314@home.opsec.eu> <60764836@h30.sp.ipt.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <60764836@h30.sp.ipt.ru> Subject: Re: 3TB disc and block alignment X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Feb 2011 12:53:48 -0000 Hi! > > Basically, I did this: > > > gpart create -s gpt ad7 > > newfs /dev/ad7 > > Wow! Don't do it. It may hurt. ;-) Why may it hurt ? How may it hurt ? Which sector is written to by this 'gpart' command ? As far as I understand, GPT writes some stuff at the beginning and the end of the harddisk. How/why will the newfs overwrite those parts ? > Please, pay attention to gpart(8) (i.e. read the manual > carefully). One should create a specific partition and > only then create a file system upon it. I've read the gpart manual many times 8-) Maybe I'm to thick to get it ? -- pi@opsec.eu +49 171 3101372 9 years to go !