Re: zero filling a storage device (was: dd and mbr)
Date: Fri, 14 Jan 2022 17:00:39 UTC
Hi, zero filling is fishy for several reasons. It's never secure! However, I won't comment zero filling. I'm not an expert and to lazy to search for links. Related to the addressable blocks and real physical locations I've got a link at hand. On Fri, 14 Jan 2022 15:55:58 +1100, Greg 'groggy' Lehey wrote: >proof of the contrary Due to https://en.wikipedia.org/wiki/Wear_leveling the only way that could be (but not necessarily is) secure, is a secure erase command provided by the firmware. Regards, Ralf