Transaction server environment

In a transaction server environment you specify recovery options, including forward recovery, in the Integrated Catalog Facility (ICF) catalog (if you are using DFSMS version 1.3 or later) or in the CICS file resource definition. You can use either of the following methods to code the CICS file definitions in a transaction server environment:

  • If your VSAM data sets are accessed by CICS in a non-record-level-sharing (non-RLS) mode, you can define recovery attributes in the CICS file resource definition.
  • If your VSAM data sets are accessed by CICS in record-level-sharing (RLS) mode, you must define the recovery attributes in the ICF catalog.
    CICS uses the recovery attributes from the ICF catalog only when you specify RLS=YES as a system initialization parameter. If you specify RLS=NO, recovery attributes are always taken from the CICS file resource definition.


Tip

Before you archive the log stream, it is recommended that you enter the CEMT SET JOU(DFHJnn) FLUSH command. For more information, see the IBM CICS Supplied Transactions manual.

This section contains the following topics:

Related topic

Coding-CICS-file-definitions

 

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