From owner-freebsd-questions@FreeBSD.ORG Wed Dec 30 06:25:36 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D98A410656B4 for ; Wed, 30 Dec 2009 06:25:36 +0000 (UTC) (envelope-from dan@dan.emsphone.com) Received: from email1.allantgroup.com (email1.emsphone.com [199.67.51.115]) by mx1.freebsd.org (Postfix) with ESMTP id A0EC28FC18 for ; Wed, 30 Dec 2009 06:25:36 +0000 (UTC) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by email1.allantgroup.com (8.14.0/8.14.0) with ESMTP id nBU6PZvM061479 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 30 Dec 2009 00:25:35 -0600 (CST) (envelope-from dan@dan.emsphone.com) Received: from dan.emsphone.com (smmsp@localhost [127.0.0.1]) by dan.emsphone.com (8.14.3/8.14.3) with ESMTP id nBU6PZ2H007714 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 30 Dec 2009 00:25:35 -0600 (CST) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.14.3/8.14.3/Submit) id nBU6PZeR007713; Wed, 30 Dec 2009 00:25:35 -0600 (CST) (envelope-from dan) Date: Wed, 30 Dec 2009 00:25:35 -0600 From: Dan Nelson To: John Terrell Message-ID: <20091230062534.GK98917@dan.emsphone.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-OS: FreeBSD 7.2-STABLE User-Agent: Mutt/1.5.20 (2009-06-14) X-Virus-Scanned: clamav-milter 0.95.3 at email1.allantgroup.com X-Virus-Status: Clean X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0.2 (email1.allantgroup.com [199.67.51.78]); Wed, 30 Dec 2009 00:25:35 -0600 (CST) X-Scanned-By: MIMEDefang 2.45 Cc: freebsd-questions@freebsd.org Subject: Re: After installing a ZFS only build, machine won't complete POST X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Dec 2009 06:25:36 -0000 In the last episode (Dec 29), John Terrell said: > Has anyone seen this? I've just installed a ZFS only build following the > instructions at (http://wiki.freebsd.org/RootOnZFS/GPTZFSBoot). After > rebooting after the install, the POST won't complete (it appears to be > looking at the disks for something). If I unplug the drives and reboot, > POST completes. If I then destroy the GPT partitions and install MBR, I > can now get past POST (but with a corrupted installation that won't boot). > > Some info: > Motherboard: MSI Neo2 > Disks: 2x 500GB Seagates (I created a mirrored pool during installation). > > Could this just be a crappy BIOS issue? Possibly. Unless your BIOS is very new it's unlikely to support GPT. > I'd hate to have to scrap GPT/ZFS and go back to MBR/UFS. ZFS works just fine inside an MBR partition, as long as your disks fit the 2TB limit (yours do). -- Dan Nelson dnelson@allantgroup.com