This is part of the hard disk recovery documentation.

Appendix.

Here are all the tools that made an arguably irreplaceable contribution in the recovery:

• Knoppix CD
• ddrescue
• DiskProbe
• fsstat (part of Knoppix)
• ext2 Installable File System (use with caution, as it may crap on your ext2 partition)
• Mount Image Pro
• vdk
• nfi
• chkdsk (part of Windows XP)
• ntbackup (part of Windows XP)
• Advanced EFS Data Recovery

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This is part of the hard disk recovery documentation.

Part 6.

Today I can go no farther (so I stopped)

The last days of this project are spent on two tiring tasks that do not gain me very much, but must be done to carry this project to its logical conclusion. One of these is to decrypt a few very small, but important NTFS-encrypted files. The other is to wring the last readable bits out of the broken Seagate drive by splitting all the error regions to isolate the unreadable regions as much as possible. These can proceed in parallel.
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This is part of the hard disk recovery documentation.

Part 3.

Today I became suspicious of (the ext2ifs driver, the mkfs command, the USB enclosure, and basically) everything

On Christmas morning Santa Claus had not granted my wish: ddrescue was still running, but the image file had not been timestamped any more recently than when I left it, and the damaged drive had spun down by itself. dmesg revealed a syslog message “too many IO errors” or something like that, which had caused Linux to give up on reading from the damaged drive. I was very frustrated because, well let’s see, I had expected the disk imaging to make good progress, but instead… I must suffer a reboot and the induced indefinite re-churning of the drive, with even more data loss! What.
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This is part of the hard disk recovery documentation.

Part 2.

I tried a whole bunch of things (most that didn’t work), and all that.

What is there to do? Data recovery services that run into the thousands of dollars can probably get most of the data back — they have a track record of that. My data isn’t worth nearly that much, sad to say. But I don’t feel like abandoning perfectly good data, either. Yes, there is probably McNorton ViralGhostSpy or whatever this bloatware is called these days; I don’t know… I prefer more flexibility so I’ll take the trouble to proceed with free or freely available tools.
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