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 j0NMxoO30620 for ; Sun, 23 Jan 2005 17:59:50 -0500 Received: from leviathan.ele.uri.edu (leviathan.ele.uri.edu [131.128.51.64]) by mx1.redhat.com (8.12.11/8.12.11) with ESMTP id j0NMxoSv027643 for ; Sun, 23 Jan 2005 17:59:50 -0500 Received: from [127.0.0.1] (leviathan [131.128.51.64]) by leviathan.ele.uri.edu (8.12.9/8.12.9) with ESMTP id j0NMxkrQ009357 for ; Sun, 23 Jan 2005 17:59:47 -0500 (EST) From: Ming Zhang Message-Id: <1106521186.3130.109.camel@localhost.localdomain> Mime-Version: 1.0 Date: Sun, 23 Jan 2005 17:59:46 -0500 Content-Transfer-Encoding: 7bit Subject: [linux-lvm] can data be found after cleaning the first sector by mistake? (tears in my eyes) Reply-To: mingz@ele.uri.edu, 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" To: LVM general discussion and development I have 2 disk sda and sdb, build a md0 on them, and create vg and lv on top of md0. when i upgraded my system from fedora 2 to 3, it reported my sda and sdb contain uninitialized partition table and need to clean. i mad a stupid error by pressing yes! now no matter what command i execute, it reports. [root@localhost ~]# lvscan Logical volume (vol1) contains an incomplete mapping table. Volume group "datavg" not found [root@localhost ~]# pvscan -P Partial mode. Incomplete volume groups will be activated read-only. Logical volume (vol1) contains an incomplete mapping table. No matching physical volumes found [root@localhost ~]# vgmknodes Logical volume (vol1) contains an incomplete mapping table. Volume group "datavg" not found i wonder if there is any way to get my personal data back. thanks so much if anybody can give a hint! these are my system information [root@localhost ~]# fdisk /dev/sda -l Disk /dev/sda: 164.6 GB, 164696555520 bytes 255 heads, 63 sectors/track, 20023 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System [root@localhost ~]# fdisk /dev/sdb -l Disk /dev/sdb: 164.6 GB, 164696555520 bytes 255 heads, 63 sectors/track, 20023 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System [root@localhost ~]# more /proc/mdstat Personalities : [raid1] md0 : active raid1 sda[0] sdb[1] 160836416 blocks [2/2] [UU] unused devices: