From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (ext-mx06.extmail.prod.ext.phx2.redhat.com [10.5.110.10]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o8OGPtg8029822 for ; Fri, 24 Sep 2010 12:25:55 -0400 Received: from smtp101.sbc.mail.re3.yahoo.com (smtp101.sbc.mail.re3.yahoo.com [66.196.96.84]) by mx1.redhat.com (8.13.8/8.13.8) with SMTP id o8OGPhHN019008 for ; Fri, 24 Sep 2010 12:25:43 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by pebblebeach.thenewhams.com (Postfix) with ESMTP id 9C3174B0024F for ; Fri, 24 Sep 2010 09:25:41 -0700 (PDT) Received: from pebblebeach.thenewhams.com ([127.0.0.1]) by localhost (pebblebeach.thenewhams.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JZJ3h54YAojl for ; Fri, 24 Sep 2010 09:25:39 -0700 (PDT) Received: from localhost (localhost.localdomain [127.0.0.1]) by pebblebeach.thenewhams.com (Postfix) with ESMTP id 7468F4B00250 for ; Fri, 24 Sep 2010 09:25:39 -0700 (PDT) Received: from [129.46.70.138] (129-46-70-138.qualcomm.com [129.46.70.138]) by pebblebeach.thenewhams.com (Postfix) with ESMTPSA id 2469B4B0024F for ; Fri, 24 Sep 2010 09:25:39 -0700 (PDT) Message-ID: <4C9CD102.4030207@thenewhams.com> Date: Fri, 24 Sep 2010 09:25:38 -0700 From: Adam Newham MIME-Version: 1.0 References: <4C9B91A5.5020908@thenewhams.com> <20100923211234.GA17638@maude.comedia.it> In-Reply-To: <20100923211234.GA17638@maude.comedia.it> Content-Transfer-Encoding: 7bit Subject: Re: [linux-lvm] Unable to mount LVM partition - table too small Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: linux-lvm@redhat.com Many thanks for the assistance. With the this I should be pointed me in the right direction. As this now looks like a RAID related versus LVM issue I'll continue this on the RAID message list. For those interested, the thread can be found here: http://marc.info/?l=linux-raid&m=128528502831454&w=2 Once again, thanks On 09/23/2010 02:12 PM, Luca Berra wrote: >> I also don't remember ever seeing /dev/md0p1 before, just a /dev/md0 > i guessed as much > >> root@adam-desktop:~# mdadm --examine --scan --verbose >> ARRAY /dev/md0 level=raid5 num-devices=4 >> UUID=b5e0fcd0:cfadbb04:a5b6f22e:457f47ae >> devices=/dev/sde,/dev/sdd,/dev/sdc,/dev/sdb > the above is the wrong md0 using whole disks > > this one is the correct one >> ARRAY /dev/md0 level=raid5 num-devices=4 >> UUID=08558923:881d9efd:464c249d:988d2ec6 >> devices=/dev/sde1,/dev/sdd1,/dev/sdc1,/dev/sdb1 >> >> root@adam-desktop:~# mdadm --examine --verbose /dev/sdb >> root@adam-desktop:~# mdadm --examine --verbose /dev/sdc >> root@adam-desktop:~# mdadm --examine --verbose /dev/sdd >> root@adam-desktop:~# mdadm --examine --verbose /dev/sde > you did not dump the partitions, but i guess you couldn't since the > device files disappeared > >> root@adam-desktop:~# cat /proc/mdstat >> Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] >> [raid4] [raid10] >> md0 : active raid5 sde[3] sdb[0] sdc[1] sdd[2] >> 2930287488 blocks level 5, 64k chunk, algorithm 2 [4/4] [UUUU] >> >> unused devices: >> > put > DEVICE /dev/sd?1 > ARRAY /dev/md0 level=raid5 num-devices=4 UUID=08558923:881d9efd:464c249d:988d2ec6 > > into /etc/mdadm.conf (or /etc/mdadm/mdadm.conf, whatever ubuntu places > it) and reboot, you should be able to see your data. > > after this ask on linux-raid ml for advice on how to zero the duplicate > superblock. > > L. >