speeding up hard drive wipe

[R C]

On 9/26/20 1:07 PM, Ken D'Ambrosio wrote:
> On 2020-09-26 13:17, R C wrote:
>> On 9/26/20 5:24 AM, Ken D'Ambrosio wrote:
>>> On 2020-09-25 19:47, Noah wrote:
>>>> Hi there,
>>>>
>>>> I am using the wipe binary to erase a drive.  My hard dive is a 6TB
>>>> SATA drive sitting in an USB drive box.
>>>>
>>>> $ sudo wipe -q /dev/sdc
>>>> Okay to WIPE 1 special file ? (Yes/No) yes
>>>>
>>>> The UI is telling me that it will take over 10 weeks to complete one
>>>> round of WIPE.
>>>>
>>>> Any clues how to speed this up?
>>>>
>>>> The following DD command took a few hours.
>>>> dd if=/dev/urandom of=/dev/sdc bs=4k
>>>>
>>>> Cheers
>>>
>>> I've never seen or heard of anyone *actually* recovering data from a 
>>> drive wiped by a simple overwrite such as dd does. I've heard 
>>> anecdotes about how it's theoretically possible, and if you cared 
>>> about, say, the NSA *really trying* to get your data, maybe I'd be 
>>> worried.  But in the real world?  I'm just not.  If you really care, 
>>> do another wipe with /dev/urandom, and call it good: most of your 
>>> bits will have been randomly overwritten, twice.  I just don't see 
>>> data coming back from that.
>>>
>>> $.02,
>>>
>>> -Ken
>>>
>>
>> It is not only theoretically possible, it is definitely possible to
>> do.  Granted, trying to do that at home, or with "regular" computer
>> equipment, it would not be really reliable, consistent, if even at all
>> possible. However, in classified environments very drastic measures
>> are taken, to great lengths, to destroy data, however the d
>
> Citation, please.
>
> Look -- I understand the government goes to great measures to ensure 
> data protection, and I don't argue that.  But you assert that it is 
> "definitely possible."  If you don't have a link that upholds your 
> statement, I will consider that just another anecdotal assertion 
> lacking evidence.  I know quite a bit about how hard drives work, what 
> DSPs can do with incomplete data, etc., etc., and while I don't think 
> it's entirely infeasible, I am yet to see *proof* that anyone has 
> actually gone and done this.  And until it's supplied, I'm firmly in 
> the skeptical column.
>
> $.02
>
> -Ken


*lol*  you think there are actually links  that show how it's done?