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About SG H

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  1. Yes, I know Recuva and one pass is enough because I saw no file could be recovered via Recuva. But, currently, because there are no option for "random passes" overwrite, I can't test it. Also, I supposed to focus on physical recover level not software level :)
  2. Oh... Sorry for the delay in getting back here. Actually, that idea is one just crossed my mind with thought that is there any chance to reduce some overwrite passes though HDD wipe must have done by a lots of overwrite pass. Also I didn't think how it could be verified as expected. So, I said. After I see new reply, I looked for "secure deletion" and found paper which introduce "The Gutmann method". https://www.cs.auckland.ac.nz/~pgut001/pubs/secure_del.html "Epilogue" in this paper say "For any modern PRML/EPRML drive, a few passes of random scrubbing is th
  3. @nukecad I really thank you for show me that article. I read it all. Before read it, I just believe I have to use higher passes for wipe drive. But I was wrong. Thanks you for fix my wrong knowledge in my mind. @Augeas Yes, it right. I had stupid idea.
  4. Good day, sir. I can't sure this may effect for more securely erase free space on a drive. But, in my thoughts, if each sector's overwrite passes is random(1 or 3 or 7 or 35), the contents on drive's free space might be never recovered because sectors in one file has been erased by random pattern of overwrite passes. Of course, this option must be disabled on SSD Drive. Can I count on this feature?
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