Date: Fri, 11 Oct 2024 13:42:21 +1100 From: Dewayne Geraghty <dewayne@heuristicsystems.com.au> To: questions@freebsd.org Subject: Re: How to zero a failing disk drive before disposal? Message-ID: <2544410a-8a99-4b2e-a194-c8326a2e0ddd@heuristicsystems.com.au> In-Reply-To: <5117.1728561469@segfault.tristatelogic.com> References: <5117.1728561469@segfault.tristatelogic.com>
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A good question Ronald. I worked for a provider of services for the statutory care of children (eg removed from parents). There are significant penalties for certain types of information loss. We bench-drilled the hard-disks before sending them (out of our chain of custody) to a furnace. Admittedly this is an extreme case and for the reasons already stated in this thread, there was no other way to ensure, say a name and location, were not available. And yes, all machines have full disk encryption (FDE). For personal devices we overwrite the device multiple times, though I'm interested in what a "ATA Secure Erase" does to a healthy storage device and whether all sectors are touched?
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