Recovering deleted files from ext3 [LWN.net]

Carlo Wood seems to have mistakenly deleted his home directory and instead of reaching for his backups, he dug into the ext3 filesystem structure. The result is an in-depth look at ext3 including how to undelete files. The end result is an ext3grep tool that looks like it might be rather useful. "However, this is utter nonsense. All information is still there, also the block pointers. It is just slightly less likely that those are still there (than on ext2), since they have to be recovered from the journal. On top of that, the meta data is less coherently related to the real data so that heuristic algorithms are needed to find things back." (seen at Val Henson's weblog)

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