best practice is always to encrypt with luks, and then just shred the header before selling.
blkdiscard is just a TRIM command, the data remains there.
A few years ago (2020?) I also learned that ssd firmware can be buggy when I bricked multiple really expensive enterprise ssd (samsung?)....by running trim. lol.
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best practice is always to encrypt with luks, and then just shred the header before selling.
blkdiscard is just a TRIM command, the data remains there.
A few years ago (2020?) I also learned that ssd firmware can be buggy when I bricked multiple really expensive enterprise ssd (samsung?)....by running trim. lol.
But how do you shred the header? The drive could have written the new shredded one to a new physical location (wear-leveling).