From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1QHHYi-0002Gk-GU for mharc-grub-devel@gnu.org; Tue, 03 May 2011 11:30:44 -0400 Received: from eggs.gnu.org ([140.186.70.92]:49484) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QHHYh-0002Gd-3N for grub-devel@gnu.org; Tue, 03 May 2011 11:30:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QHHYf-0000JR-Vu for grub-devel@gnu.org; Tue, 03 May 2011 11:30:43 -0400 Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120]:39707) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QHHYf-0000JM-SR for grub-devel@gnu.org; Tue, 03 May 2011 11:30:41 -0400 Authentication-Results: cdptpa-omtalb.mail.rr.com smtp.user=psusi@cfl.rr.com; auth=pass (PLAIN) X-Authority-Analysis: v=1.1 cv=2pE2Kh9Ye2ywHyyFZnC5ZQ1FvuPrdOtuPO5uN4ysVDU= c=1 sm=0 a=CPlwVjms4CEA:10 a=8nJEP1OIZ-IA:10 a=pg4Dpxby4z7sZisWVyJ9NA==:17 a=danhDmx_AAAA:8 a=DhVkvOmjbDiSHIRhWQIA:9 a=wPNLvfGTeEIA:10 a=pg4Dpxby4z7sZisWVyJ9NA==:117 X-Cloudmark-Score: 0 X-Originating-IP: 72.242.190.170 Received: from [72.242.190.170] ([72.242.190.170:49452] helo=[10.1.1.230]) by cdptpa-oedge03.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTPA id E1/EE-05159-1AF10CD4; Tue, 03 May 2011 15:30:41 +0000 Message-ID: <4DC01FA0.40507@cfl.rr.com> Date: Tue, 03 May 2011 11:30:40 -0400 From: Phillip Susi User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.17) Gecko/20110414 Thunderbird/3.1.10 MIME-Version: 1.0 To: The development of GNU GRUB Subject: Re: Raid5 regression References: <4DC0124A.7010508@cfl.rr.com> In-Reply-To: <4DC0124A.7010508@cfl.rr.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 75.180.132.120 X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 May 2011 15:30:44 -0000 Wasn't there a change made recently to support the new md metadata formats? I wonder if that is causing grub to detect the raid superblock both at the end of the physical disk, as well as within the partition, causing it to see the members twice? On 5/3/2011 10:33 AM, Phillip Susi wrote: > After upgrading an Ubuntu server from Maverick to Natty ( grub2 version > 1.99-rc1-13ubuntu3 ) the system no longer will boot. Grub complains > about the raid5 array: > > error: Found two disks with the index 0 for RAID md0 > error: Found two disks with the index 1 for RAID md0 > error: Found two disks with the index 2 for RAID md0 > error: Superfluous RAID member (4 found) > error: Unknown filesystem > > This is a 4 disk raid5 array that mdadm still recognizes and looks fine, > with each disk having IDs 0 through 3 respectively. Despite the fact > that it complains about the raid, it still shows the LVM logical volumes > in the output of ls. The array is the sole LVM PV. > > Bug filed at https://launchpad.net/bugs/776422. Any hints on how to > proceed with debugging this? Is there a way to check what modules are > built into the core image from the rescue shell?