From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1QHMNK-0002Sp-HO for mharc-grub-devel@gnu.org; Tue, 03 May 2011 16:39:18 -0400 Received: from eggs.gnu.org ([140.186.70.92]:39469) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QHMNI-0002Si-LJ for grub-devel@gnu.org; Tue, 03 May 2011 16:39:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QHMNH-0000pf-Bp for grub-devel@gnu.org; Tue, 03 May 2011 16:39:16 -0400 Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120]:52083) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QHMNH-0000pP-8Y for grub-devel@gnu.org; Tue, 03 May 2011 16:39:15 -0400 Authentication-Results: cdptpa-omtalb.mail.rr.com smtp.user=psusi@cfl.rr.com; auth=pass (PLAIN) X-Authority-Analysis: v=1.1 cv=r4yJ8ACLDmU9N8MfnU6qGSvboKzSN9UnPAeXToqJDNE= c=1 sm=0 a=CPlwVjms4CEA:10 a=8nJEP1OIZ-IA:10 a=pg4Dpxby4z7sZisWVyJ9NA==:17 a=danhDmx_AAAA:8 a=mDV3o1hIAAAA:8 a=DhVkvOmjbDiSHIRhWQIA:9 a=8Ho8NuJb1vvuoh5wRNoA:7 a=wPNLvfGTeEIA:10 a=ii61gXl28gQA:10 a=pg4Dpxby4z7sZisWVyJ9NA==:117 X-Cloudmark-Score: 0 X-Originating-IP: 72.242.190.170 Received: from [72.242.190.170] ([72.242.190.170:49346] helo=[10.1.1.230]) by cdptpa-oedge01.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTPA id 36/6A-09483-2F760CD4; Tue, 03 May 2011 20:39:14 +0000 Message-ID: <4DC067F1.4060901@cfl.rr.com> Date: Tue, 03 May 2011 16:39:13 -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 20:39:17 -0000 After enabling raid debug output and then loading mdraid09.mod, I can see that it is scanning and detecting the superblock on both (hdx) and (hdx,msdos1). 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? > > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > https://lists.gnu.org/mailman/listinfo/grub-devel