XDOPTLB

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            .-N-.   
>>-XDOPTLB=-+-Y-+----------------------------------------------><

XDOPTLB
Specifies whether or not the members of the DOPT ACBLIB data set are deleted and the DOPT ACBLIB data set compressed before ZDT/IMS executes an ACBGEN.
N
ZDT/IMS deletes the PSB from the DOPT ACBLIB data set after BMP termination. ZDT/IMS does not delete any other members of the DOPT ACBLIB data set and does not compress the data set.
Y
ZDT/IMS executes the ACBGEN with BUILD PSB=ALL specified on the SYSIN control statement. With this control statement specified, the ACBGEN deletes all PSBs and DBDs (and any other modules) from the DOPT ACBLIB data set and makes all their space available for reuse, before building blocks for the dynamic PSB.

This option may only be used when ZDT/IMS is the sole user of the DOPT ACBLIB data set.

This parameter is optional. If it is not specified on the HFM1POPI macro statement, ZDT/IMS uses either the value specified on the HFM1POPD macro statement (if specified on that statement), or N (otherwise).

The user cannot override the value you specify for this parameter.