speeding up hard drive wipe
R C
cjvijf at gmail.com
Sat Sep 26 20:12:06 UTC 2020
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?
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