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  1. Preface
  2. Part 1: PowerExchange Change Data Capture Introduction
  3. Part 2: CDC Components Configuration and Management
  4. Part 3: CDC Sources Configuration and Management
  5. Part 4: Change Data Extraction
  6. Part 5: Monitoring and Tuning
  7. Appendix A: CDC for z/OS Troubleshooting
  8. Appendix B: DTL__CAPXTIMESTAMP Time Stamps

Relationships with Other PowerExchange Components

Relationships with Other PowerExchange Components

PowerExchange for IMS change data capture is shipped with the standard PowerExchange software.
The IMS log-based ECCR uses other PowerExchange components such as the PowerExchange Logger and the PowerExchange Agent. Consider the following operational factors:
  • The IMS log-based ECCR must log all changes to a single PowerExchange Logger running on the same MVS system.
  • The PowerExchange Logger and PowerExchange Agent must run on the same MVS system as the IMS log-based ECCR.
  • Operational issues in the PowerExchange Logger can cause the IMS log-based ECCR to enter a wait state, which would prevent further capture and recording of change data until the issues are resolved. After you resolve the operational issues in the PowerExchange Logger, the IMS log-based ECCR continues the capture and recording of change data without any loss of data.
    You must carefully monitor the PowerExchange Logger to ensure that change data capture proceeds without interruption.

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