On Tue, 8 Nov 2011 22:45:55 -0600, John McKown wrote:

>The IODF does not need to be in the master catalog in order to be used
>for IPL.

Right.  In fact, it does not need to be cataloged at all.  In fact, until 
the IODF is loaded there is no way to access the master catalog.

>In fact, the IODF is only used at IPL/NIP time and not by z/OS
>during normal operations at all.

Not by normal z/OS operations, but by ACTIVATE and by HCD.
For both ACTIVATE and HCD, it has to be found using the normal 
catalog search order.

-- 
Tom Marchant

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