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Common Communications Interface › z/OS Parallel Sysplex Configurations › Configure CAICCI for XCF

Configure CAICCI for XCF

Follow these steps:

  1. Ensure that the XCF hardware and software are installed and operational. If you are not using XCF for other purposes, set up sysplex couple data sets and signaling paths. Any hardware acceptable to XCF can be used with CAICCI, including CTC and coupling facility signaling paths.
  2. Examine your SYS1.PARMLIB(COUPLExx) member to ensure that you have proper sysplex definitions. Each z/OS system is part of the same sysplex and have couple data sets, transport classes, and signaling paths that are defined.

    Note: For information about how to set up XCF signaling, see IBM z/OS MVS Setting Up a Sysplex.

  3. Ensure that CAICCI on each host has a unique identifier that the following control option assigns: 
    SYSID(sysid)
  4. Specify the following statement in the CAICCI control option member: 
    PROTOCOL(XCF,group_name)
    group_name

    Specifies the name of the logical XCF group you want CAICCI to use.

    CAICCI is configured to use XCF as a protocol.

With these definitions in place, CAICCI uses XCF services to communicate among z/OS systems in the sysplex. If you anticipate very high volumes of activity, you can monitor XCF activity periodically. CA SYSVIEW Performance Management and similar performance monitors can provide this information.