Re: RFC: configuration file for storing persistent FCoE information

[Hans de Goede <hdegoede redhat com>]

On 06/08/2009 07:07 PM, Bill Nottingham wrote:
> Hans de Goede (hdegoede redhat com) said:
> > > Hans de Goede (hdegoede redhat com) said:
> > > > > Stepping back a bit... why does it need to know the device
> > > > > name - can't it be automatically determined via route?
> > > > Erm, no, FCoE does not use IP, it uses Fibre Channel protocols
> > > > encapsulated in ethernet packets, this is all handled
> > > > by the kernel, all rc.sysinit needs to do is tell the kernel:
> > > > "go talk FCoE on that NIC"
> > > OK. Still, device names aren't persistent. Hardware addresses
> > > are a better key, if possible.
> > Agreed, but in the end we need to echo a eth# name to
> > a sysfs file
>
> ... really?

Really!

> What happens when the name changes in the kernel? (I
> assume it's actually storing the device index, or similar.)

I have no idea.

Regards,

Hans