From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (ext-mx08.extmail.prod.ext.phx2.redhat.com [10.5.110.12]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o68JDnEf005748 for ; Thu, 8 Jul 2010 15:13:50 -0400 Received: from mail.bmsi.com (www.bmsi.com [24.248.44.156]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o68JDdVe003300 for ; Thu, 8 Jul 2010 15:13:40 -0400 Received: from bmsred.bmsi.com (bmsred.bmsi.com [192.168.9.50]) by mail.bmsi.com (8.14.3/8.14.3) with ESMTP id o68JDd0O019345 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 8 Jul 2010 15:13:39 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by bmsred.bmsi.com (8.14.3/8.14.3) with ESMTP id o68JDdvr010212 for ; Thu, 8 Jul 2010 15:13:39 -0400 Date: Thu, 8 Jul 2010 15:13:39 -0400 (EDT) From: "Stuart D. Gathman" In-Reply-To: Message-ID: References: <20100706161745.GB31734@us.ibm.com> MIME-Version: 1.0 Subject: Re: [linux-lvm] Rebuilding ext4 filesystem on an LV 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" Content-Transfer-Encoding: 7bit To: LVM general discussion and development On Thu, 8 Jul 2010, Stuart D. Gathman wrote: > Method 2: > With both new and failed drive connected, use dd_rescue or equivalent to > copy (most/some of) the failed drive to the new drive. Remove failed > drive and bring up VG. If UUID was not readable on failed drive, use > pvcreate to restore it on new drive. I should mention that an external case-free USB adapter is the best way to attempt recovery of failed drives. You can even run the IDE/SATA/Power cable to a box in the freezer (and the USB adapter can sit on top of the freezer and a long USB cable go to your computer) - which often helps recover data from failing drives. -- Stuart D. Gathman Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154 "Confutatis maledictis, flammis acribus addictis" - background song for a Microsoft sponsored "Where do you want to go from here?" commercial.