Grepping though a disk

[C. P. Ghost]

On Mon, Mar 4, 2013 at 1:36 AM, Polytropon <freebsd at edvax.de> wrote:
> Any suggestion is welcome!

How about crawling the metadata, locating each block
that is already allocated, and skip those blocks when you
scan the disk? That could reduce the searching space
significantly. blkls(1) et al. from the Sleuth Kit are your friends.

Good luck,
-cpghost.

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