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  • PowerExchange for CDC and Mainframe 10.5.4
  • 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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Using Point-in-Time Recovery

Using Point-in-Time Recovery

Point-in-time recovery for IMS databases invalidates any change data captured to the PowerExchange Logger.
If point-in-time recovery is necessary, complete the following tasks:
  1. Stop all PowerCenter sessions extracting change data for the source database.
  2. Recover the source database to the correct point-in-time.
    Leave the database in read-only mode.
  3. Rematerialize all targets that apply change data from that source database.
  4. Use the DTLUAPPL utility to generate a new restart token for all extractions using the source database. Then, update the restart token file of all PowerCenter sessions extracting change data for the source database with the new restart token.
  5. Reset the source database to read-write mode and resume normal operation.
  6. Cold start all affected PowerCenter sessions.
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