From owner-freebsd-stable@FreeBSD.ORG Wed Aug 29 17:41:19 2007 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 C5AD916A41A for ; Wed, 29 Aug 2007 17:41:19 +0000 (UTC) (envelope-from phi@evilphi.com) Received: from mail.twinthornes.com (mail.twinthornes.com [65.75.198.147]) by mx1.freebsd.org (Postfix) with ESMTP id A323B13C469 for ; Wed, 29 Aug 2007 17:41:19 +0000 (UTC) (envelope-from phi@evilphi.com) Received: from [10.9.70.100] (pool-71-117-232-141.ptldor.fios.verizon.net [71.117.232.141]) by mail.twinthornes.com (Postfix) with ESMTP id A027E96C; Wed, 29 Aug 2007 10:41:18 -0700 (PDT) Message-ID: <46D5AFBE.1010700@evilphi.com> Date: Wed, 29 Aug 2007 10:41:18 -0700 From: Darren Pilgrim User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: Vivek Khera References: <31BB09D7-B58A-47AC-8DD1-6BB8141170D8@khera.org> <4253EB06-63B9-4B4F-9CC3-2254714AF8DD@khera.org> In-Reply-To: <4253EB06-63B9-4B4F-9CC3-2254714AF8DD@khera.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: FreeBSD Stable Subject: Re: large RAID volume partition strategy 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: Wed, 29 Aug 2007 17:41:19 -0000 Vivek Khera wrote: > On Aug 17, 2007, at 10:44 PM, Ivan Voras wrote: > >> fdisk and bsdlabels both have a limit: because of the way they >> store the >> data about the disk space they span, they can't store values that >> reference space > 2 TB. In particular, every partition must start >> at an >> offset <= 2 TB, and cannot be larger than 2 TB. > > Oh... one more note: if I don't use fdisk or paritions, I *can* newfs > the raw drive much bigger than 2Tb. I just don't want to do that for > a production box. :-) Or you can use GPT, which uses 64-bit data structures and thus has an 8 ZB limit. -- Darren Pilgrim