speeding up hard drive wipe

[Chris Green]

On Sat, Sep 26, 2020 at 02:11:15PM +0100, Grizzly via ubuntu-users wrote:
> 26 September 2020  at 7:24, Ken D'Ambrosio wrote:
> Re: speeding up hard drive wipe (at least in part)
> 
> >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.
> 
> 
> >I've never seen or heard of anyone *actually* recovering data from a 
> >drive wiped by a simple overwrite such as dd does.
> 
> I don't know about  Ubuntu wiped drives, (and don't know the best app to 
> recover data anyway) but I do a regular wipe of (free space) on my windows 
> drives (yes I know it "may" reduce disk life) and the other day I ran a 
> recovery app to get a recently deleted txt file, app reads header so txt 
> includes most text content file types like:- 
> 
> text files: txt, html, asp, bat, C, jsp, perl, php, py/emlx... scripts
> 
> (that is why I don't usually try for txt type) , long story short, I forgot the 
> app was running in the background, and left it for a few hours, it didn't find 
> the txt file I wanted, but it did recover a number (in the 1,000's) of other 
> files that I had not seen in years, so even after a good wipe it can happen (at 
> least on windows)
> 
Yes, but do any of those files contain anything useful to anyone?

-- 
Chris Green