re: How to setup Full Disk Encryption on a secondary HDD in Linux VIEW POST

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For security it's better to write the disk with /dev/urandom as with zeroing it can be recoverable, at least HDDs in which the bit retains partially the orientation.

 

You are right, but I wanted to provide a compromise between security and time spent formatting the drive.

You can use /dev/urandom but need to be prepared to spent ~3 days waiting for the drive to be filled with random bits.

 

That's true, but its always worthy leaving a brick when resigning hahahahaha

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