Check that You Are Ready to Run the Installation Jobs

Check that you are now ready to run the installation jobs:

  1. Check the names of the data sets to be created by these jobs, because any existing data sets with those names are deleted by the installation jobs. If you want to keep an existing data set with a name specified in one of the installation jobs, you must change the name to be used for the new data set. For example, for the installation parameter DZONECSI dsname NEW the data set dsname is deleted and a new distribution zone CSI called dsname is allocated.
  2. The CICS Transaction Server-supplied installation JCL will install CICS® Transaction Server for z/OS® into new target and distribution zones. If you want to install CICS Transaction Server into existing target and distribution zones, you must modify the DFHINST3 job.
    Caution:
    If you intend using an existing target or distribution zone that contains an earlier release of CICS Transaction Server, be aware that any earlier release of CICS Transaction Server will be cleared before being replaced by CICS Transaction Server.
  3. If you intend installing CICS Transaction Server using both existing and new CSIs, any new CSIs must have the same control interval size as the existing CSIs.

    If your existing CSIs do not have a control interval size of 4096 bytes, you must edit the DFHINST3 job (before running it) to change the CONTROLINTERVALSIZE(4096) parameter on the commands used to create the VSAM data sets for the new CSIs, to specify the same control interval size as the existing CSIs.

    For further information about considerations for allocating CSI data sets, see the System Modification Program Extended: Reference manual, SA22-7772.

  4. Ensure that you have appropriate RACF® authority for the CICS Transaction Server data sets. For more information, see your Security Administrator and the CICS RACF Security Guide.
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