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Windows 7: Difference between D ban and Diskpart commands

01 Jul 2013   #1
herbc

win 7 64 Home edition
 
 
Difference between D ban and Diskpart commands

Can someone give me an idea as to whats the best way to go to wipe my system clean that's very thorough but is faster than D ban .

Thank you


My System SpecsSystem Spec
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01 Jul 2013   #2
TwoCables

 

DBAN writes all 0s to the drive. Formatting does not. That's why DBAN takes as long as it does. All formatting does is it essentially just replaces the Master File Table with a blank one in the specified format. This makes the drive appear to be empty to an operating system. Now of course, this doesn't explain why formatting can take a long time. You see, the longer format (a.k.a. "full format") is simply the Quick Format plus a thorough scan for errors. So, the longer format is good to use on an old drive, or a drive that you might suspect need such a scan. A quick format is for a drive that's known to be good but you just want it to look like an empty drive again.

The only time it's good to use a program like DBAN is when you're selling your drive and the buyer will be someone you don't know and therefore can't trust. So if you're just going to be reusing the drive, then just format it with the Quick Format and then you'll be all set.
My System SpecsSystem Spec
01 Jul 2013   #3
LMiller7

Windows 7 Home Premium 32 bit
 
 

By it's very nature a program like DBAn is going to be slow. Speed is almost entirely dependent on drive performance and there really isn't much a program can do about it. All such programs will take much the same time to complete.
My System SpecsSystem Spec
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01 Jul 2013   #4
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

You posted you wanted to wipe a hard drive.
The speed of such a project depends on the speed of the hard drive and the size of the hard drive. Plus how many passes you instruct the program to use. A program that I use will make passes from 1 to 7 times.
99.9% of the people would never need to do more than one wipe pass.
My System SpecsSystem Spec
01 Jul 2013   #5
TwoCables

 

I would take it even further and say that if you're going to be reusing the drive (as opposed to selling it or giving it away or even trashing it), then the Quick Format is more than good enough.
My System SpecsSystem Spec
01 Jul 2013   #6
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

That is true TwoCables unless you have had a infection that might be hiding and could be activated with a fresh install.
My System SpecsSystem Spec
01 Jul 2013   #7
TwoCables

 

Quote   Quote: Originally Posted by Layback Bear View Post
That is true TwoCables unless you have had a infection that might be hiding and could be activated with a fresh install.
Even after formatting? I mean, I know formatting doesn't touch the data, but still I don't know this yet.
My System SpecsSystem Spec
01 Jul 2013   #8
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Anything that is still on the hard drive that is not written over by a fresh install is still there. If by chance that something that is not written over is a infection it possible could be activated. To me that is why I would use these if it was my computer.
Windows 7 Installation - Prepare PC to be Sold

Disk - Clean and Clean All with Diskpart Command
My System SpecsSystem Spec
01 Jul 2013   #9
TwoCables

 

I know, so I guess I'm wondering how it could be activated.

Edit: Nevermind. I Googled in a few different ways and yes it's true: formatting is not a guarantee. For example: the virus could reside in the boot sector.
My System SpecsSystem Spec
01 Jul 2013   #10
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

My way of thinking is never under estimate the people who make these infection.
My System SpecsSystem Spec
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 Difference between D ban and Diskpart commands




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