Secure erase

https://wiki.archlinux.org/title/Solid_state_drive/Memory_cell_clearing

hdparm -I /dev/sdc | grep -i security
 
hdparm -I /dev/sdc | grep -i frozen
	not	frozen
 
hdparm --user-master u --security-set-pass PASS /dev/sdc
hdparm --user-master u --security-erase-enhanced PASS /dev/sdc
# OR
hdparm --user-master u --security-erase PASS /dev/sdc
 
 
hdparm --user-master u --security-disable PASS /dev/sdc