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RLS access implications

The supplied installation samples specify non-RLS access for the CICSĀ® Configuration Manager files. If you change to RLS access, there are rollback (EXEC CICS SYNCPOINT ROLLBACK) implications for the following files:

If you want to implement RLS management, be aware of the following requirements:

  1. The SMS options for the data set type must be RLS-enabled on the LPAR that runs the CICS Configuration Manager server.
  2. DFSMS Transactional VSAM Services (DFSMStvs) must be enabled and configured on the LPAR that runs the CICS Configuration Manager server.
  3. The CICS region must specify the SIT parameter RLS=YES for the region running the CICS Configuration Manager server.
  4. To enable rollback, the VSAM CLUSTER definition for the files must specify LOG(UNDO) or LOG(ALL) with a LOGSTREAMID:
    • For CCVDDD, refer to SCCVSAMP sample members CCVXDDD and CCVXBKUP.
    • For CCVJNL, refer to SCCVSAMP sample members CCVXSYSO, CCVXBKUP, and CCVX0003.
  5. The CICS resource definitions for the following files must specify RLSACCESS(YES). Refer to SCCVSAMP sample member CCVXCSD for the file definitions:
    • CCVDDD
    • CCVJNL
    • CCVPT1
    • CCVPT2

For more details, see the z\OS documentation about VSAM record-level sharing.

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