Definitions required for VSAM RLS support

If you plan to use VSAM RLS to enable CICS® regions to share VSAM data sets, carry out the following steps:

  1. Define the master coupling facility lock structure.
  2. Define coupling facility cache structures and cache sets.
  3. Define SMS storage classes for RLS access.
  4. Alter data set characteristics, if necessary, to make data sets eligible for RLS access.
  5. Define sharing control data sets.
  6. Establish new authorization that is required by the VSAM RLS support.
  7. Add new parameters to SYS1.PARMLIB.
  8. Establish new procedures for VSAM RLS support.
  9. Activate the coupling facility structures.

An overview of each of these steps follows.

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