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On Tue, 2006-01-31 at 17:39 -0800, Grant wrote: |
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> |
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> Almost everyone seems to agree that recovering data from a formatted |
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> drive is possible. What is the process by which this is done? I've |
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> read here that: |
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> |
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> 1. The space between tracks contains historical data information. |
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> |
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> and: |
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> |
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> 2. There is a difference between a track written with a 0 and then |
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> overwritten with a 0 and a track written with a 1 and then overwritten |
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> with a 0. |
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> |
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> Are these the two processes by which this data recovery is made possible? |
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|
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They both rely on the fact that you can read what _was_ once written to |
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the hard drive by examining the spaces. So that's one method. |
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The other method of recovering data is just to cat /dev/hda, but that |
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relies on the hd not being "wiped" (overwritten with 0's and 1's many |
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times in a semi-random fashion!). |
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-- |
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Iain Buchanan <iain at netspace dot net dot au> |
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Never make anything simple and efficient when a way can be found to |
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make it complex and wonderful. |
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-- |
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gentoo-user@g.o mailing list |