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Proper hard drive erasing procedure before selling on eBay? - Page 2

post #11 of 16
Quote:
Originally Posted by PanicProne View Post
Does this gutmann pass really make data irrecoverable?
It will make almost all of the data totally unrecoverable. US DoD 7-pass works good too. Gutmann 35 pass takes a really, really long time on some drives. Data forensics *might* be able to recover a very slight amount of data (mostly useless), but almost no one has access or $$ to do something like this. Remember these are government standards for erasing secure files. It works pretty good.

DBAN > Format the drive and reinstall Windows. The run a Deep Scan with Recuva and see if you can recover anything yourself. You'll give yourself the piece of mind that an average user can't recover anything that way if you must.
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post #12 of 16
Use Active KillDisk. It's a free Windows-based 0-pass writer.

It'll just fill the disk with Zeros. Do that once, and you're done.
post #13 of 16
Gawd, the "DoD" 7-pass and 35-pass myths just won't die. Those magic incantations were designed for drives made through the 1980s and maybe mid-1990s. They do not apply to modern hard drives. By all means use them if you have some antique beast like this one. But anything made in the last 10 years needs only a single pass of random data written to it.
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post #14 of 16
Quote:
Originally Posted by error10 View Post
Gawd, the "DoD" 7-pass and 35-pass myths just won't die. Those magic incantations were designed for drives made through the 1980s and maybe mid-1990s. They do not apply to modern hard drives. By all means use them if you have some antique beast like this one. But anything made in the last 10 years needs only a single pass of random data written to it.
This.

I've checked the zero pass method myself... half a dozen freely available commercial data recovery programs fail to save anything after a single pass of zeroes.
post #15 of 16
Quote:
Originally Posted by error10 View Post
Gawd, the "DoD" 7-pass and 35-pass myths just won't die. Those magic incantations were designed for drives made through the 1980s and maybe mid-1990s. They do not apply to modern hard drives. By all means use them if you have some antique beast like this one. But anything made in the last 10 years needs only a single pass of random data written to it.
I've heard that too.. I can confirm that after running Erasers 'Erase Free Space' 1 pass pseudo random data on my C and D drives that I was unable to recover ANY deleted files. Then again I am not a data recovery specialist and only used Recuva's Deep Scan available to any novice computer user.

A little off topic, but has anything become available for true secure erasure on/of SSD's?
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post #16 of 16
I normally set DBAN to run two passes to be absolutely sure, but even a single pass of a FULL Zero Fill should be sufficient.
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