Corrupt superblock recovery?!?

[The_Bell]

Don't know HOW the hell seemed to be a hardware iisue, the question is that i rebooted my computer, something wrong happened and the superblock of my HD device where I store a lot of things got corrupted.

Now I got a kernel panic when booting. I booted with the gento olive cd, tried to mount the partition, and it tells me:

Filesystem revision too high while trying to open /dev/hda7
Could not find a valit filesystem superblock.

the /boot partition seems to be ok, only this one is damaged.

I tried to run fschk.ext3 and it told me the same, tried the -b 8193 option and the same again.

mke2fs -n /dev/hda7 tells me the blocks where there is a backup of the superblock, but I don't know how to restore, so I won't do anything until someone expert on this responds something.

Could anyone tell me, first, why this might hava happended and if there is a way to recover the superblck or I will have to reinstall everything from the ground?

Thanks.
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[The_Bell]

Well I actually recovered a backup of the super block, ran fschk and everything seems to work now.

Some files disappeared, but I had backups.

Better will expense my time trying to ind why i am having those strange filesystem problems (maybe a hardware problem).
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[TheCoop]

how did you recover the superblock?
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[The_Bell]

mke2fs -n /dev/hda7 tells me the blocks where there is a backup of the superblock.

Well then if you type fschk.ext3 -b <block> where <block> is one of the blocks where you have a backup of the super block, the system restores it and checks de partition.
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