I have been searching for ext2/3 design docs to see where the on-disk superblock is located relative to starting sector of the partition, and how many bytes it occucpies. I was also looking for the formula that is used to compute the location of all of the backup superblocks. Thnaks for any pointers to online docs. On 09/18/2014 11:37 AM, jd1008 wrote:
Is there any other tool that can extract files from a partition that seems to have corrupted superblocks? I tried dumpe2fs, and fsck -b <blockNumber> to no avail. Tried all available block numbers that are listed when original mkfs was done, and it's output was saved. None of the blocks seem to work - all of them have invalid magic. When I run strings on the partition, I see many readily recognizable strings of files that I stored there. I understand that possibly the fs might be irretrievably corrupted, but wanted a last ditch input from other fs gurus.
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