SOLVED: either superblock or file system table is corrupted
debian testing (squeeze)
I backup my root which is /dev/sda1 using "dd if=/dev/sda1 |gzip -c > root.img.gz" and when I restored the image by "gunzip -c root.img.gz | dd of=/dev/sda1" and tried boot up my system told me filesystem size is 448890 blocks the physical size is 45680 blocks either superblock or file system table is corrupted! regardless of how i used the dumpe2fs | grep superblock to lookup the backup superblock and then e2fsck -b the_backup_superblock_number it is returned the same error! then I read about mounting dd image and cpio I use either ubuntu or clonezilla liveCD to boot I then gunzip the root.img.gz mount the root.img to a mount_point mkfs.ext3 my /dev/sda1 mkdir target_drive mount /dev/sda1 target_drive cd mount_point find . -print | cpio -dumpv ../target_drive #grub grub > find /boot/grub/stage1 grub > root (hd0,0) grub > setup (hd0) grub > exit # reboot and viola! |
Well done posting your fix!
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