Re:FreeBSD Full Disk Encryption, with an External Boot Drive...
by cuckcuckspruce on Tuesday March 15, 2016 @06:58PM
(#11293704)
Zeroing should be sufficient on any recent drive[0]. The remanence of modern magnetic drives is so low that zero should be sufficient to wipe out whatever is there.
[0] http://security.stackexchange.com/questions/10464/why-is-wri...