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

COLDSTART Parameter

COLDSTART Parameter

Controls whether the IDMS log-based ECCR cold starts or warm starts.
When the ECCR cold starts, it begins reading change records from the IDMS logs that are recorded at the beginning of the PowerExchange Log Catalog (LOGSCAT). When the ECCR warm starts, it resumes reading change records from where it last left off.
COLDSTART={
N
|Y}
  • N
    . Warm starts the ECCR.
  • Y
    . Cold starts the ECCR.
Default is N.
If you use a PowerExchange Logger to which the ECCR has not previously connected, or if you change the ECCRNAME value in the RUNLIB(ECCRIDLP) options member, the ECCR automatically cold starts, regardless of the COLDSTART setting. In these situations, you cannot warm start.
If you clear the LOGSCAT, you must set COLDSTART to Y to clear the restart information and cold start.

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