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  • PowerExchange for CDC and Mainframe 10.5.8
  • All Products

Table of Contents

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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

CDC Guide for z/OS

CDC Guide for z/OS

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PowerExchange Log Catalog for IDMS Log-Based CDC

PowerExchange Log Catalog for IDMS Log-Based CDC

The PowerExchange Log Catalog for IDMS log-based CDC contains information about the IDMS logs from which change data is captured.
At PowerExchange installation, the Log Catalog is created as a VSAM file. This file has the default name &HLQ..LOGSCAT and contains a dummy record.
To add information to the Log Catalog, use the DTLULCAT and DTLULOGC utilities. DTLULCAT formats input to DTLULOGC, and DTLULOGC populates the Log Catalog.
You can run the DTLULCAT and DTLULOGC utilities consecutively by using the JCL in the RUNLIB(DTLULCAU) member. Schedule a job that contains this JCL to run as soon as the latest IDMS log is spooled off. For timely CDC processing, it is important that you correctly schedule the addition of logs to the Log Catalog.
Occasionally, you might need to run DTLULOGC separately. In this case, you must manually code the input file.
Ensure that Log Catalog information is updated in a timely manner and is secure and available. IDMS logs that are not recorded in the Log Catalog are unknown to PowerExchange for CDC processing.
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