Charless Fowlkes

I'm trying to recover a damaged ext4 filesystem (20TB, ~10M used inodes) and looking for some hints. e2fsck seem to be proceeding ok but then it hits some point during pass 1 where I start getting the following message repeated many times: "Inode 251658533 block 13631616 conflicts with critical metadata, skipping block checks" This happens for a few 1000 inodes at which point I run out of memory (64GB ram) and everything grinds to a halt. These problem inodes seem to have absurdly large blockcounts,...