I'll be selling my two 400GB hard drives in the for sale section but obvisouly want to ensure all the data has been wiped and can't be recovered.
Anything out there that's great and free?
I'll be selling my two 400GB hard drives in the for sale section but obvisouly want to ensure all the data has been wiped and can't be recovered.
Anything out there that's great and free?
Dban.
DBAN ftw. Killdisk is fairly decent but you have to pay for the silly high security 10 billion passes version.
very big hammer usually does the trick![]()
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Linux live CD -
dd if=null of=/dev/<hard drive)
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/dev/null is empty, and has no length. you mean /dev/zero
and you're right.
"hard disk erasers" are a convenient lie. read The Great Zero Challenge for the reality (i.e. *1* pass is more than enough and completely unrecoverable)
Saw a bit by some security chap who said that, of all of the readily available apps., only Eraser made files unrecoverable.
For most purposes 7 passes would be OK.
Eraser includes DBAN for making a Nuke Disk.
PeterC
Political lubricant:
Rocket WMD45
The simplest way would be to FDISK from a DOS disk, then install DOS this and the format alters the physical attributes of the File system to such a point that any info on the disk would become unrecoverable. Don’t forget to make several partitions as DOS only sees 2Gb of drive.
Simple cheap and affective. + The disk is still usable afterward.
Life is like Computing, just when you get it all working properly, Bits need replacing
No - altering the file table does not make the data unrecoverable. It might make it harder to recover, but depending on the resources and determination of the person examining the disk, the data is still there and available for inspection.
DBAN has been mentioned - there is also shred
This link has some useful info
The Hard Disk Shred/Wipe Page
Last edited by peterb; 10-03-2008 at 12:41 PM.
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"According to our Unix team, there is less than a zero percent chance of data recovery after that dd command. The drive itself has been overwritten in a very fundamental manner. However, if for legal reasons you need to demonstrate that an effort is being made to recover some or all of the data, go ahead and send it in and we'll certainly make an effort, but again, from what you've told us, our engineers are certain that we cannot recover data from the drive. We'll email you a quote."
wanna waste time with multiple passes?
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