> I strongly recommend deciding what you want to do about device naming
> before embarking on dynamic configuration.  It's really annoying when sd3a
> which has your root partition on it suddenly changes and becomes sd2a
> because one of the other disks did not come up.  And Wiring it down in the
> kernel config file is useless because, since it's a fully dynamic kernel,
> none of the devices are in the kernel config file.  

I've had a long standing projects, actually in the NetBSD projects
list, to do global device naming. Between WWN's and VPD and other
info, naming disks at least globally is the right thing to do.