ceri at submonkey.net
Sat Apr 7 20:31:40 UTC 2007
On Sat, Apr 07, 2007 at 07:08:18PM +0400, Andrew Pantyukhin wrote:
> On 4/7/07, Pawel Jakub Dawidek <pjd at freebsd.org> wrote:
> >On Sat, Apr 07, 2007 at 05:07:25PM +0400, Andrew Pantyukhin wrote:
> >> - Is Windows-style hardware ID's hashing totally ruled out?
> >I know nothing about it...
> Well, maybe something like hashing MAC of the first NIC
> to get the initial ID... But then there's always the
> probability that we initialize several systems putting
> the same NIC into each of them...
> >> - How does it work in other OS'es? (e.g. solaris /bin/hostid)
> >On OpenSolaris, if I understand the code right, hostid is derived from
> >hw_serial, and hw_serial is taken from:
> > * On sparc machines, read hw_serial from the firmware at boot time
> > * and simply assert Sun is the hardware provider. Hmm.
> > * On x86 machines, read hw_serial, hw_provider and srpc_domain from
> > * /etc/bootrc at boot time.
> There's even a business  selling software to change
> Solaris hostid for ??49. Should I squat freebsdhostid.com? :)
>  http://www.solarishostid.com/
Hmm. The host id lives on the, trivially swappable, SCC on a number of
recent Sun systems.
That must be wonderful! I don't understand it at all.
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