Using Customized HUB
By default, the CICS region uses the system default HUB, the default value is the SMF ID of the LPAR. If you want to use a different HUB, you must add a DDName statement to the CICS region startup PROC in the following format:
//HUBxxxx DD DUMMY
where xxxx is the HUB name which you want to be used for this CICS region.
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