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From: | andrew zajac |
Subject: | Re: [Bug-ddrescue] ddrescue and partition table |
Date: | Wed, 4 Nov 2009 09:46:34 -0800 (PST) |
Well, you've made a backup of the partition so the partition table on sda is irrelevant. Did the partition table on sbd point sdb1 to the wrong spot? Unlikely. Your superblock may be messed up. Linux Ext filesystems keep backups of the superblock. Just try to mount the filesystem with one of the backups: sudo dumpe2fs /dev/sda7|grep superblock This will list the superblocks. You need to multiply the block size by four to translate from disk blocks (512 bytes) to filesystem blocks (4096 by default). Something along the line also uses 1024 sized blocks so that's why 4 is appropriate. for example: Backup superblock at 32768, Group descriptors at 32769-32771 32768 * 4 = 131072, so, address@hidden:~$ mkdir mnt address@hidden:~$ sudo mount -r -o sb=131072 /dev/sda1 mnt address@hidden:~$ ls mnt bin etc initrd.img.old mnt sbin tmp vmlinuz.old boot home lib opt srv usr cdrom initrd lost+found proc store var dev initrd.img media root sys vmlinuz Use sda7 in your case... I hope this helps. Andrew Zajac --- On Wed, 11/4/09, Trio3b <address@hidden> wrote:
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