Setting up and using catalog data sets

This section describes how to define and use the CICS® global catalog data set (GCD), and the CICS local catalog data set (LCD), which CICS needs to catalog CICS system information. For the rest of this section, these data sets are referred to as the global catalog and the local catalog. (The CICS catalog data sets are not connected with MVS™ system catalogs, and contain data that is unique to CICS.)

Notes:
  1. You must define and initialize new CICS catalogs for CICS Transaction Server for z/OS®, Version 3 Release 1.
  2. If you redefine either one of the global and local catalogs, it is recommended that you redefine the other too.

For more information about how CICS uses the catalogs for startup and restart, see The role of the CICS catalogs.

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