I have the impression that the initiator is also smart enough to issue a ENQ TYPE=CHNG (to switch from ENQ=EXC to ENQ=SHR) if subsequent steps have the DSN as DISP=SHR after the last step that has it as DISP=OLD (ie: Exclusive).
Sorry, ENQ RET=CHNG only changes a SHR ENQ to EXCL, not the other waqy

--
Bruce Black
Senior Software Developer
Innovation Data Processing

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