Pat

I don't know exactly when the requirement for the PORTNAME to be the same
came in but it was before I worked first with OSA QDIO in 2001. See my
response to Gadi.

However, you clearly remembered *something* recent so I dug into PORTNAME in
System z9 and zSeries Open Systems Adapter-Express Customer's Guide and
Reference. I found the following:

<quote>

1.1.5.8 Port name relief

For OSA-Express features running in QDIO mode, the port name identifies the
OSA port for sharing by other operating system instances. When the port name
is defined, all operating system instances that share the port must use the
same port name. Beginning with a particular level of OSA-Express Licensed
Internal Code (LIC) and some operating systems, this restriction has been
lifted.

A port name is not required at the following OSA-Express LIC levels and
operating system levels:

- z800 and z900 with OSA-Express (LIC) level September 2003 or higher

- z890 and z990 with all levels of OSA-Express LIC levels

- z9-109

- z/VM 4.3 with APAR PQ73878 and z/VM 4.4

- Linux

-- V2.4 kernel June 2003 stream and above

-- V2.6 kernel April 2004 stream and above

z/OS, VSE/ESA, and TPF require a port name, which must be the same when the
OSA port is shared with the same operating system in different images or in
a mixed OS environment. In addition, the port name must match the device
name.

</quote>

In a sense this is the opposite of what you are saying. <g>

Chris Mason

----- Original Message ----- 
From: "Pat Schlehuber" <[EMAIL PROTECTED]>
Newsgroups: bit.listserv.ibm-main
To: <[email protected]>
Sent: Monday, 08 January, 2007 7:28 PM
Subject: Re: Sharing OSA in QDIO mode - TRLE question


...

At some point in the last year or so, IBM did make a change that requires
the PORTNAME to be exactly the same on all LPARs accessing the OSA. You end
up getting a really odd IP message when you try to use it otherwise.

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