Ulrich Windl <Ulrich.Windl@...> writes:

> 
> Overwriting from start to end with random data should do, also. I
> don't know anything about "secure erase"...
> 

Hello,

Thanks for the reply. Yes, overwriting with random data should work.
Secure Erase is a feature in most drives that basically does the same as
overwriting data. However, a special ATA/SCSI command is defined for
this. An estimated time can also be obtained.

For example:
https://ata.wiki.kernel.org/index.php/ATA_Secure_Erase

Thanks,
Amit

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