On 6/12/2014 10:12 AM, m.roth at 5-cent.us wrote: > We use two methods: for the drives that are totally dead, or*sigh* the > SCSI drives, they get deGaussed. For SATA that's still running, we use > DBAN.*Great* software. From what I've read, one pass would probably be > good enough, given how data's written these days. With my name certifying > it, I do paranoid, and tell DBAN the full 7-pass, DoD 5220.22-M. I > *really* don't think anyone's getting anything off that. if the drive has remapped tracks, there's stale data on there you can't erase with DBAN. > We don't have any SSDs, so I can't speak to that. Bet you could deGauss > them, easily enough. Or maybe stick 'em on a burner on a stove to get over > the Curie point....* degaussing would do nothing to flash memory, its semiconductor, not magnetic. -- john r pierce 37N 122W somewhere on the middle of the left coast