> Matthew Jacob wrote:
> >
> > > > Whose BIOS NVRAM?
> > >
> > > The host system BIOS NVRAM. I thought we were looking for a per-host
> > > ID here, right?
> >
> > Yes, but this kind of NVRAM isn't available on an Alpha, or a Sparc.
>
> On the SPARC you can put it in the OpenBoot environment. I dunno
> about the Alpha.
There's NVRAM and so on for a lot of machines.
I'm thinking that the cleanest place to put this which would be common
across all *BSD's would be:
a) A base release 128 bit UUID generator.
b) A step in kernel configuration that snags such a value and puts it in a
place that sysctl can get at it.
c) A utility that binary patches the kernel so that a change via sysctl is
persistent.
All of this is quite grotesque. If it was FreeBSD specific, then stuff in
/boot and sysctl would be fine- but I'd like to see this be *BSD, not just
FreeBSD.
-matt
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