RE: Threat Model
Bob Nixon wrote:
> Actually, there is a very explicit requirement to provide the physical
> space: to use protection information, the device must be formatted for
it
> (see table 30 and many like it in SBC-2 rev 13). Formatting for
protection
> information unconditionally adds 8 bytes to the length of every block
(see
> the FMTPINFO bit in the FORMAT UNIT command in SBC-2 rev 13). One
> implication may be important to SISWG, though...The community is
sometimes
> willing to give up space for security.
This is good news: a path forward is to see if T10 will accept more
than one 'block guard' option.
The storage device can then offer the IEEE standard.
(Thanks, Bob, for correcting my mistaken impression that storage
efficiency, rather than virtualization, was the motivation.)
Best,
Don