On Friday, 09/03/2010 at 08:11 EDT, Marcy Cortes 
<[email protected]> wrote:
> Well, Alan has 13 days before we have to pay him per question :).  Where 
are 
> you Alan???!

:-)

I think I posted recently that ISFC allows only *one* active (UP) 
connection to an adjacent node.  Each time he starts the "duplicate" link 
he finds that the partner is a node for which he already has an UP link, 
so he cycles it back to Down and tries again in a few seconds.  He is 
actually exchanging data with the remote node, so the byte count 
increases.  If you want CP to stop doing that, DEACTIVATE ISLINK.

ISLINK          VTAM / PVM / RSCS
-----------     -----------------
Up                 Connected
Down               Active
deactivated        Inactive

Think of "Down" for an ISLINK the way every other comms subsystems thinks 
of "active", and "Up" like "Connected".

With Single System Image clusters you will be able to have up to 16 active 
connections to each adjacent node.

Alan Altmark
z/VM Development
IBM Endicott

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