From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.11.6/8.11.6) with ESMTP id j8HJAjV31965 for ; Sat, 17 Sep 2005 15:10:45 -0400 Received: from mail.linbit.com (nudl.linbit.com [212.69.162.21]) by mx1.redhat.com (8.12.11/8.12.11) with ESMTP id j8HJAi9g019664 for ; Sat, 17 Sep 2005 15:10:44 -0400 Received: from barkeeper1 (213-229-1-138.sdsl-line.inode.at [213.229.1.138]) by mail.linbit.com (LINBIT Mail Daemon) with ESMTP id B4C121400A for ; Sat, 17 Sep 2005 21:10:34 +0200 (CEST) Date: Sat, 17 Sep 2005 21:10:34 +0200 From: Lars Ellenberg Subject: Re: [linux-lvm] Device mapper problems.. Message-ID: <20050917191034.GD12882@barkeeper1.linbit> References: <432986DA.50107@gmail.com> <43299B1A.3090200@novell.com> <432A0282.5020905@gmail.com> <20050916200833.GA2453@barkeeper1.linbit> <432C02E2.5090807@gmail.com> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <432C02E2.5090807@gmail.com> 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: linux-lvm@redhat.com > > You are right, datavg seems OK from the device-mapper point of view. > But at filesystem level, the filesystem on datavg-snk2lv seems to be > 4.0 GB but in fact it is 80 GB. My opinion is at a point in past, > device-mapper again scramled the major and minor numbers and > systemvg-usrlv overwrited datavg-snk2lv. unlikely. it would not have changed the file system layout. more likely, the mapping is wrong. what do you find in /etc/lvm/backup and /etc/lvm/archive ? those are plain text files, which store the mapping at that point in time. compare it with the current mapping. maybe there is something obvious in the difference... btw, what did you find on the 253,5 which was missing from your previous device node list? > From dmsetup table output, datavg-snk2lv seems OK. How can I recover > the filesystem on it ? Or more basic question, is it possible to > recover ??? well, everything is possible :-> its more a question of time and effort... -- : Lars Ellenberg Tel +43-1-8178292-0 : : LINBIT Information Technologies GmbH Fax +43-1-8178292-82 : : Schoenbrunner Str. 244, A-1120 Vienna/Europe http://www.linbit.com :