I was just about to link some similar information. https://www.thomas-krenn.com/en/wiki/Perform_a_SSD_Secure_Erase https://grok.lsu.edu/article.aspx?articleid=16716
On Mon, Aug 29, 2022 at 8:15 PM Michael Butash via PLUG-discuss < plug-discuss@lists.phxlinux.org> wrote: > SSD/NVME usually have secure wipe functions in the controller for this not > to destroy the flash with shred or like. From my notes: > > ## if SSD > > ## if you need to wipe the disks, use a security erase on them > ## you will sometimes need to unfreeze drives, a suspend and awaken works > > sudo hdparm -I /dev/sda | grep froz > sudo hdparm -I /dev/sdb | grep froz > > ## make sure these are the right disks, they will be wiped. > > hdparm --user-master u --security-set-pass PasSWorD /dev/sda > hdparm --user-master u --security-erase PasSWorD /dev/sda > > hdparm --user-master u --security-set-pass PasSWorD /dev/sdb > hdparm --user-master u --security-erase PasSWorD /dev/sdb > > ## if NVME/M.2 > > ## confirm nvme-cli is available > > which nvme > > ## confirm secure erase mode, should be 0x1 > > nvme id-ctrl -H /dev/$nvme-disk0$ | egrep 'Crypto Erase' > nvme id-ctrl -H /dev/$nvme-disk1$ | egrep 'Crypto Erase' > > nvme format -s1f /dev/$nvme-disk0$ > nvme format -s1f /dev/$nvme-disk1$ > > -mb > > > On Mon, Aug 29, 2022 at 3:05 PM Retro64XYZ via PLUG-discuss < > plug-discuss@lists.phxlinux.org> wrote: > >> Don't do that to an SSD. >> On 8/29/22 14:47, Michael via PLUG-discuss wrote: >> >> To delete everything would I type >> sudo shred /dev/sda >> From a live disk? >> -- >> :-)~MIKE~(-: >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail >> settings:https://lists.phxlinux.org/mailman/listinfo/plug-discuss >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings: >> https://lists.phxlinux.org/mailman/listinfo/plug-discuss > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > https://lists.phxlinux.org/mailman/listinfo/plug-discuss -- A mouse trap, placed on top of your alarm clock, will prevent you from rolling over and going back to sleep after you hit the snooze button. Stephen
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