tinyapps.org / docs / ATA Secure Erase (SE) and hdparm (Also in this series: ATA Sanitize Device and hdparm, NVMe Secure Erase, and NVMe Sanitize.) Warnings The instructions below will irretrievably destroy data. Moreover, as the hdparm manpage explains, "these switches are DANGEROUS to experiment with, and might not work with every kernel. USE AT YOUR OWN RISK." Beware - When SECURE ERASE doesn't