Re: generating a Linux WWN?

James Bottomley
2007-10-05T22:14:51Z

On Fri, 2007-10-05 at 15:11 -0700, David Miller wrote:
> From: James Bottomley <James.Bottomley@SteelEye.com>
> Date: Fri, 05 Oct 2007 18:09:06 -0400
>
> > For the record, what the current in-kernel aic94xx driver does for this
> > case is allow a parameter override to specify the WWN in the case where
> > the card burned in one has gone missing or is corrupt. I think this is
> > the correctly balanced approach to the problem.
>
> Let's then provide a global and consistent knob for the user to set in
> this situation, instead of a different one per-driver.

Agreed; we can shift the parameter to the transport class so it's
consistent for all SAS drivers

> auto_wwn=1 or somthing like that

I'd far prefer

override_wwn = <fully specific WWN>

since I assume auto_wwn means get the kernel to generate one?

James