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#1 2014-01-13 18:27:43

nloewen
Member
Registered: 2014-01-13
Posts: 2

Combine multiple corrupted duplicates to create whole file

I'm recovering files (specifically photos) from a drive image. The original hard drive was failing, and the user managed to start a windows system recovery in an attempt to fix things. I've managed to recover a significant number of files using Foremost, but many of the photos are missing pieces of data. A number of photos also have duplicates, with different missing data. I would like to fill in this missing data with data from other duplicate files. Does a script or program already exist for this purpose? (Yes, I Googled. I couldn't find one) What tools might I need to put a script together? (I'm not very familiar with low level data manipulation)

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#2 2014-01-13 22:15:15

stqn
Member
Registered: 2010-03-19
Posts: 1,191
Website

Re: Combine multiple corrupted duplicates to create whole file

When I need to salvage files from a broken HDD, I use dd_rescue. dd_rescue can create a log file that states which parts of the file had errors… so if you have the original drive then you should be able to write a script to do what you want. It’s gonna need some work though…

I don’t understand why you used Foremost, which recovers deleted files. Did the “windows system recovery” erase all corrupted files?

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#3 2014-01-14 02:04:26

nloewen
Member
Registered: 2014-01-13
Posts: 2

Re: Combine multiple corrupted duplicates to create whole file

The windows system recovery wiped the partition. So I'm recovering deleted files from a failing hard drive with a new OS written on top of everything. Kind of a data recovery nightmare. I've already created an image using dd_rescue and I'm working from there.

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