>
> IMHO, the hardest part shouldn't be reading the NAND chip, but reversing
> the Flash Translation Layer (FTL).
>
> Remember that the controller keeps its own reordering to perform wear
> leveling on the flash. Some controllers even keep that info on battery
> backed RAM, making impossible to recover it after failure.
>
> And also, most FTL schemes are highly proprietary, without any
> documentation.
>

You may not have to reverse the FTL with a good forensic file system
tool. I have used R-Studio (not free, but not too expensive) before to
recover RAID sets and other broken file systems with good success.
--=20
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