Re: generating a Linux WWN?

[Jeff Garzik <jeff@garzik.org>]

Michael Reed wrote:
> 
> Jeff Garzik wrote:
>> Luben Tuikov wrote:
>>> Do you mean:
>>>   "The admin will have the option to SPECIFY(SET) a WWN, should they
>>> so    desire."
>>> OR do you mean:
>>>   "The admin will have the option to HAVE THE KERNEL auto-generate a WWN,
>>>    should they so desire."
>> Both.  It is up to admin policy to decide if they wish to use the
>> available board's WWN (if present/valid), manually apportion WWNs, or
>> whether the kernel's generation algo is fine with them.
> 
> Could the reassignment of a board's WWN present any security issues?
> A board which is allowed to access only some targets is now allowed to
> access others.  I would assume that most sites that care about security
> would have other measures in place to guard against this, but it's still
> worth pondering.

Well, at that point the admin has made a conscious decision to deviate 
from the norm, either for site-specific reasons or for 
getting-his-hardware-working reasons.  So we assume the admin who made a 
proactive step in this direction knows what he is doing.

Just like the rest of Linux, we just give you the rope...  :)

	Jeff