Using Dban

[Todd Millecam]

dban probably just found all drives and wiped them all would be my guess.
To make them usable again, you'll probably need to format them.  Try
booting up with the gparted live cd and see what you can see.

On Sun, Dec 14, 2014 at 11:36 AM, Stephen M <smelheim85 at gmail.com> wrote:
>
> There is a problem using dban.  When I started it up it never gave me
> options on what to scan.  Now my two SATA drives along with my USB drive
> are not working.  I need help to understand what is going on please.
>
> On Sun, Dec 14, 2014 at 11:32 AM, Stephen Partington <cryptworks at gmail.com
> > wrote:
>>
>> Todd thanks. I am filing this away for my own use later.
>>
>> On Sun, Dec 14, 2014 at 11:26 AM, Todd Millecam <tyggna at gmail.com> wrote:
>>>
>>> Oh, if it's SSD drives, don't do it this way, this is solely for
>>> plattered drives.  If you are using an SSD, then you just need to issue a
>>> secure command to the drive and tell it to wipe itself--which you can do
>>> through hdparm:
>>>
>>> $~ hdparm --user-master u --security-set-pass PasSWorD /dev/sda  #sets up security on the drive
>>>
>>> $~ hdparm --user-master u --security-erase PasSWorD /dev/sda # the point of no return delete everything on your SSD drive command
>>>
>>>
>>>
>>> On Sun, Dec 14, 2014 at 11:00 AM, Todd Millecam <tyggna at gmail.com>
>>> wrote:
>>>>
>>>> There's a lot of ways to do it, but they all do the same thing.
>>>> In bash:
>>>> $~ shred -zn10 /dev/sda
>>>>
>>>> That'll securely erase everything on block device /dev/sda--give it a
>>>> while to run as it's writing random numbers across the entire drive and
>>>> then finishing by writing nothing but 0s on it.  This makes all data on the
>>>> device non-recoverable.
>>>>
>>>> You need to overwrite the data anywhere from 4 - 15 times before it's
>>>> clean and nothing can be recovered from it.
>>>>
>>>> That's essentially all dban/wipe is doing.  If you want to get even
>>>> more primitive, then you can use dd (garunteed to be on all *nix systems)
>>>> $~  dd if=/dev/random of=/dev/sda && dd if=/dev/zero of=/dev/sda
>>>>
>>>> That's the same as doing one pass, but if shred is there (and it
>>>> usually is) then it'll do all 10 passes for you.  I guess you could just
>>>> throw that dd command in a simple loop:
>>>> $~  for i in `seq 10` ; do dd if=/dev/random of=/dev/sda && dd
>>>> if=/dev/zero of=/dev/sda ; done
>>>>
>>>>
>>>> Dban or wipe will do all this for you, but you can do it yourself.
>>>> (Note, don't do it on the currently-running OS drive, because it'll
>>>> eventually erase glibc.so being used to do the overwrite.  If you want to
>>>> do it on multiple drives, just plug them all into the same computer, and
>>>> run shred on all of them from a live-cd of your chosing)
>>>>
>>>>
>>>>
>>>> On Sun, Dec 14, 2014 at 10:27 AM, Stephen M <smelheim85 at gmail.com>
>>>> wrote:
>>>>
>>>>> HI,
>>>>>
>>>>> I have a couple drives that I want to wipe and give them to the Loco
>>>>> group.  I have never done a wipe on my own computer.  I want to see whats
>>>>> the best method.  I know there is dban, wipe, and many other solutions.  I
>>>>> will be using a SATA to USB adapter so I don't have to open my computers
>>>>>
>>>>> What I need to know is there a way to use that device and still work
>>>>> on my computer.  Or do I have to let my computer run dban or whatever to
>>>>> wipe the drive.
>>>>>
>>>>> Thanks all.
>>>>>
>>>>> --
>>>>> Stephen Melheim
>>>>> 602-400-7707
>>>>> SMelheim85 at gmail.com
>>>>>
>>>>> ---------------------------------------------------
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>>>>> To subscribe, unsubscribe, or to change your mail settings:
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>>>>>
>>>>
>>>>
>>>> --
>>>> Todd Millecam
>>>>
>>>
>>>
>>> --
>>> Todd Millecam
>>>
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>>>
>>
>>
>> --
>> A mouse trap, placed on top of your alarm clock, will prevent you from
>> rolling over and going back to sleep after you hit the snooze button.
>>
>> Stephen
>>
>>
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>>
>
>
> --
> Stephen Melheim
> 602-400-7707
> SMelheim85 at gmail.com
>
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>


-- 
Todd Millecam
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