Re: generating a Linux WWN?

Luben Tuikov
2007-10-08T18:42:19Z

--- Jeff Garzik <jeff@garzik.org> wrote:
> James Bottomley wrote:
> > If you remember Rusty's guide to interfaces, this is a level 14 easy to
> > misuse interface: "The obvious use is wrong"; since the obvious use is
> > to put it in module parameters and have the problem go away (for
> > now ...). Actually, I could be harsher and say it's level 17 "There's
> > no correct use" because statistically every time you use it, you expose
> > yourself to potential duplicate WWNs.
>
>
> Now that you have said "there's no correct use" you have managed to
> logic yourself into silly-land.
>
> That is utterly specious logic when duplicate WWNs are quite unlikely,
> and furthermore -- as demonstrated by use in network drivers -- use of
> the feature itself is not the common case.
>
> Field experience directly contradicts this entire line of reasoning.

You have SAS SAN's field experience?

Luben