[Info-vax] booting vaxstation off alpha

[Hans Vlems]

On 10 feb, 16:14, Stephen Hoffman <seaoh... at hoffmanlabs.invalid>
wrote:
> On 2013-02-10 10:44:10 +0000, Phillip Helbig---undress to reply said:
>
>
>
>
>
> > In article <kf6qaj$en... at dont-email.me>, Stephen Hoffman
> > <seaoh... at hoffmanlabs.invalid> writes:
>
> >> Now since you're looking at DECnet and clustering...
>
> >> First, to ensure there's no confusion around the relationship between
> >> DECnet and clustering...
>
> >> ....SET HOST is unrelated to clustering.
>
> >> ....DECnet is unrelated to clustering.
>
> >> ....Clustering does not require DECnet.
>
> >> ....DECnet does not need nor use nor depend on clustering.
>
> > Do you need DECnet at all?
>
> Officially — as of OpenVMS V6.2 — no.  You do not need DECnet.  At all.
>
> Unofficially, you didn't need DECnet prior to OpenVMS V6.2, if you
> weren't using remote-booted cluster satellites, and if you didn't mind
> not having MONITOR CLUSTER or a few other non-critical features.  I ran
> clusters with no DECnet operating, and well prior to OpenVMS V6.2.
>
> OpenVMS V6.2 added the LANCP tool for MOP (so satellite boots can be
> used), and added IP support into the VPM server used for MONITOR, and
> removed DECnet from the base OpenVMS distro; DECnet Phase IV became a
> layered product kit.
>
> A usual confusion that arises here is involves folks believing that
> clustering operates "over" DECnet.  It doesn't.  The two are completely
> separate protocols, and separate implementations.
>
> There's one old configuration where DECnet did operate over a cluster
> communications interconnect, but few folks use the CI cluster
> interconnect anymore, and that particular DECnet capability wasn't
> implemented on DSSI or any other subsequent cluster communications
> interconnects.  With those, you needed a secondary network connection,
> and that was usually Ethernet.
>
> --
> Pure Personal Opinion | HoffmanLabs LLC- Tekst uit oorspronkelijk bericht niet weergeven -
>
> - Tekst uit oorspronkelijk bericht weergeven -

The last paragraph reads as if DECnet isn't available over DSSI, did I
get that right?
(obviously not because it is....).
So what wasn't available over DSSI which was over the good old CI?
Hans