From owner-freebsd-fs@FreeBSD.ORG Mon Mar 11 17:19:22 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id A759C297 for ; Mon, 11 Mar 2013 17:19:22 +0000 (UTC) (envelope-from cr@caltel.com) Received: from mail2.caltel.com (mail2.caltel.com [66.102.145.6]) by mx1.freebsd.org (Postfix) with ESMTP id 8D5EB19C for ; Mon, 11 Mar 2013 17:19:22 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqEEAEkRPlFCZpCq/2dsb2JhbABDxGCBc3SCKQEBAQMBAQEBNRYgCgYLCxgJFg8JAwIBAgEVAQkmDgUCBAEBAQEXAgSHbAYMvWWNXYE4FoMqA4hyiyWCPoEehEmLDoMqHDKBBQ X-IPAS-Result: AqEEAEkRPlFCZpCq/2dsb2JhbABDxGCBc3SCKQEBAQMBAQEBNRYgCgYLCxgJFg8JAwIBAgEVAQkmDgUCBAEBAQEXAgSHbAYMvWWNXYE4FoMqA4hyiyWCPoEehEmLDoMqHDKBBQ X-IronPort-AV: E=Sophos;i="4.84,825,1355126400"; d="scan'208";a="842243" Received: from host-170.a66-102-144.caltel.com (HELO codys-mac.local) ([66.102.144.170]) by smtp.caltel.com with ESMTP/TLS/DHE-RSA-CAMELLIA256-SHA; 11 Mar 2013 10:19:05 -0700 Message-ID: <513E1208.5020804@caltel.com> Date: Mon, 11 Mar 2013 10:19:04 -0700 From: Cody Ritts Organization: CalTel User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:17.0) Gecko/20130216 Thunderbird/17.0.3 MIME-Version: 1.0 To: freebsd-fs@freebsd.org Subject: Re: Aligning MBR for ZFS boot help References: <513C1629.50501@caltel.com> <513CD9AB.5080903@caltel.com> <513CE369.4030303@caltel.com> <1362951595.99445.2.camel@btw.pki2.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Mar 2013 17:19:22 -0000 Update -- fdisk WILL allow you to align without regards to drive geometry It can only be done in interactive mode: http://lists.freebsd.org/pipermail/freebsd-geom/2011-May/004780.html > fdisk -i /dev/ada0 > Do you want to change our idea of what BIOS thinks ? [n] > The data for partition 1 is: > Do you want to change it? [n] y > Supply a decimal value for "sysid (165=FreeBSD)" [165] > Supply a decimal value for "start" [63] 2048 > Supply a decimal value for "size" [125045361] 125043376 > Correct this automatically? [n] > Explicitly specify beg/end address ? [n] > Are we happy with this entry? [n] y > Do you want to change the active partition? [n] > Should we write new partition table? [n] y > > gpart show ada0 > => 63 125045361 ada0 MBR (59G) > 63 1985 - free - (992k) > 2048 125043376 1 freebsd [active] (59G) Thanks, Cody On 3/10/13 9:19 PM, J David wrote: > On Sun, Mar 10, 2013 at 8:39 PM, Warren Block wrote: > >> If FreeBSD had a way to turn off the strict enforcement of CHS values for >> MBR, it would make that unnecessary. >> > > The solution to that for a drive of this size *might* be to use fdisk > instead of gpart to do the partitioning, and just flat out lie to it about > the geometry when it asks you if you want to use something other than what > it read. (Which was also a lie anyway.) > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >