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  • PowerExchange for CDC and Mainframe 10.5.6
  • 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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Managing DB2 Logs

Managing DB2 Logs

The DB2 ECCR relies on the DB2 logs for change information. If the logs are lost, changes that should be captured are also lost.To avoid losing the log data sets, use dual logging including dual archive logs. Archive logs are required if it ever becomes necessary to retrieve data that has become inactive due to DB2 log switch processing.
If you lose DB2 log data that the DB2 ECCR has not already processed, you must rematerialize the target tables before restarting the DB2 ECCR. Because your source and target tables are synchronized, you should begin capturing from the current DB2 log location. To do so, be sure that you use the START COLD statement in your REPDB2OP parameter file when you restart the DB2 ECCR.
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