On Thursday, 11/03/2005 at 07:26 CST, Adam Thornton
<[EMAIL PROTECTED]> wrote:

> Do I need to up my cough syrup dosage?  Don't I remember that a
> VSWITCH needs a *real* OSA device triple?

It does.  For high availability, it needs at two or three triples, each
triple on a separate OSA port (chpid).

> Ah.  A *real* triple doesn't have to be a whole OSA port, does it?
> Because you can define lots of OSA triples on a single actual device,
> n'cest pas?

True.  That's how you can share the port with multiple LPARs/Guests.
Whether you *should* share and how, exactly, you configure the hosts that
are sharing is where a full understanding of the physical switch port
configuration is needed.

Trying to share a trunk port among both VLAN-aware and non-VLAN-aware
hosts is a recipe for disaster and a potential security hole.

Alan Altmark
z/VM Development
IBM Endicott

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