DYNACB

1 DYNACB=
2.1! IMS.DOPT.ACBLIB
2.1 dsname

DYNACB

Specifies the name of the ACBLIB data set into which the ACB maintenance utility generates the DOPT PSBs.

This data set is used by functions that use dynamic PSBs to access databases in BMP mode. If IMS™ management of ACBs is enabled (ACBMGMT=CATALOG) it is also used by functions that use dynamic PSBs to access databases in DLI mode.

When the ACBs are managed by your installation (ACBMGMT=ACBLIB), the specified data set must be concatenated with the primary ACBLIB data set in the IMS execution JCL (see Providing a DOPT ACBLIB data set).

When IMS management of ACBs is enabled (ACBMGMT=CATALOG), the specified data set does not have to be concatenated with the primary ACBLIB data set. Instead, the specified data set is used as input for the IMS Catalog Populate utility (DFS3PU00), which adds the DOPT PSBs to the IMS catalog.

If APAR PH17975 has been applied or XDOPTLB=Y has been specified, you must specify a data set that only FM/IMS uses.

This parameter is optional. If it is not specified on the FMN1POPI macro statement, FM/IMS uses either the value specified on the FMN1POPD macro statement (if specified on that statement), or IMS.DOPT.ACBLIB.

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