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Apple Computing Products:
macOS - Operating System
Erase options 1 pass, 3 pass, etc speed?
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<blockquote data-quote="pigoo3" data-source="post: 1323001" data-attributes="member: 56379"><p>My first question back at you is...do you understand what is going on by using this feature?<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>The whole "pass" method is basically a security feature where the entire hard drive is overwritten with 1's and 0's so that any info on the hard drive is not readable or recoverable. This is a great thing to do before selling or otherwise disposing of a computer to insure personal security. </p><p></p><p>But...if all you're going to be doing is reinstalling Lion (and keeping the computer)...there really is no benefit to doing this. All you really have to do is boot from your bootable Lion disk, open disk utility, and use Disk Utility's "Erase" feature. </p><p></p><p>In fact you don't even need to use Disk Utility's "Erase" feature...to make things even easier (the way Apple has thing's designed in the first place)...is just do a "new" or "clean" install of Lion.</p><p></p><p>There really is no need to do the "secure erase" (1-pass, 3-pass, or 7-pass) if you're keeping the computer in your possession.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>HTH,</p><p></p><p>- Nick</p></blockquote><p></p>
[QUOTE="pigoo3, post: 1323001, member: 56379"] My first question back at you is...do you understand what is going on by using this feature?:) The whole "pass" method is basically a security feature where the entire hard drive is overwritten with 1's and 0's so that any info on the hard drive is not readable or recoverable. This is a great thing to do before selling or otherwise disposing of a computer to insure personal security. But...if all you're going to be doing is reinstalling Lion (and keeping the computer)...there really is no benefit to doing this. All you really have to do is boot from your bootable Lion disk, open disk utility, and use Disk Utility's "Erase" feature. In fact you don't even need to use Disk Utility's "Erase" feature...to make things even easier (the way Apple has thing's designed in the first place)...is just do a "new" or "clean" install of Lion. There really is no need to do the "secure erase" (1-pass, 3-pass, or 7-pass) if you're keeping the computer in your possession.:) HTH, - Nick [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Erase options 1 pass, 3 pass, etc speed?
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