Yes, you want the WWN to stay constant. That doesn't mean it should necessarily be the same physical box. Nor does it mean it should be a system that comes with a WWN assigned to by the manufacturer.
I think I'm confusing myself and people. I have a WWN. By definition it should be unique value. All I'm asking for is a kernel function to help me generate such a thing (despite what Eduardo says). On Fri, 25 Jun 1999, Wilko Bulte wrote: > As Matthew Jacob wrote ... > > > > > > FYI: The Compaq HSG80 Fibrechannel RAID controllers have their > > > WWN in NVRAM. One is supposed to get the WWN from a label on the *cabinet* > > > into the HSG controller. This allows for easy hardware swap in case of > > > hardware grief. > > > > Yes, if you want the WWN to stay constant. > > Well, you do. Especially when you are using things like zoning (like > that Brocade switches can do) or when the host directly ties things to > the wwn it talks to. E.g. for connection to Sun we use Jaycor adapters > that allow things like "target=foo lun=bar www="<64bitnumber>" in the > Solaris /kernel/drv/sd.conf file And to boot a Sun over fibre channel, you use the WWN. -matt To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message
