PaulDotCom mailing list archives

Wiping with DD leftovers


From: joel.folkerts at gmail.com (Joel Folkerts)
Date: Sat, 8 Aug 2009 21:15:40 -0500

Using dd with Windows is a very frustrating experience when compared to
Linux where it's fairly intuitive.

-Joel


"The path to hell is paved with good intentions."


On Sat, Aug 8, 2009 at 9:11 PM, Adrian Crenshaw <irongeek at irongeek.com>wrote:

Thanks, I've tried a few different iterations of of=, but I'll try that as
well.

Adrian


On Sat, Aug 8, 2009 at 9:58 PM, Joel Folkerts <joel.folkerts at gmail.com>wrote:

Adrian-

 Merely a guess as I'm on the road without access to a test disk but I
think you're asking dd to write *within* the volume so you're still going
to see NTFS remnants. Are you trying to wipe the entire physical drive? If
so, you will probably need to access the drive at the physical device level:

   - C:\Users\adrian\Desktop\aft>dd if=/dev/zero
   of=\\?\Device\Harddisk1\Partition0 bs=1M --progress   *[check your dd
   --list for accurate device number]*

-Joel

"The path to hell is paved with good intentions."


On Sat, Aug 8, 2009 at 1:55 PM, Adrian Crenshaw <irongeek at irongeek.com>wrote:

Ive noticed something. If I use the Windows DD from
http://www.chrysocome.net/dd and use this command:

C:\Users\adrian\Desktop\aft>dd if=/dev/zero
of=\\.\Volume{de891b6a-8432-11de-86d4-005056c00008} bs=1M --progress

it seems to leave some data on the beginning (sometime) and end (always)
if the drive had  been formatted NTFS before.

I'm using WinHEX to verify by the way. Any ideas?

Adrian

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