speeding up hard drive wipe

[J.Witvliet at mindef.nl]

How valuable is that drive?
If you really want to be sure any data is not recoverable, use a power drill on the platter, and buy another one.


From: "Noah" <noah-list at enabled.com<mailto:noah-list at enabled.com>>
Date: Saturday, 26 September 2020 at 01:49:24
To: "Ubuntu user technical support, not for general discussions" <ubuntu-users at lists.ubuntu.com<mailto:ubuntu-users at lists.ubuntu.com>>
Subject: speeding up hard drive wipe

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

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