repair or recover corrupted inode information

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http://serverfault.com – I found out the inode information of the most important directory of my server was corrupted, and I couldn't access its files. My file system is EXT3 I tried fsck on the image of partition, no success. I tried dd_rhelp, it doesn't any effect. I tried debugfs , run rdump corrupted-inode-dir native-dir , but it doesn't work without any error. How can I recover my data in this directory? or repair its inode information? (HowTos)