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  • PowerExchange for CDC and Mainframe 10.4.0
  • 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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Checkpoint Files

Checkpoint Files

The allocation attributes of the checkpoint files can be controlled in two ways in the CAPTPARM parameters:
  • Specifying the data set prefix, space allocation, and volumes using the following parameters:
    • CHKPT_BASENAME
    • CHKPT_VOLSERS
    • CHKPT_PRIM_ALLOC
    • CHKPT_SCND_ALLOC
  • Specifying the IDCAMS DEFINE CLUSTER control statements using the CHKPT_FILE_CTL parameter.
The CHKPT_BASENAME parameter is still used to provide the data set prefix for the checkpoint files.
With the exception of CHKPT_BASENAME, the various parameters of the two options are mutually exclusive. This means that you cannot specify the parameters noted in #1 if you specify CHKPT_FILE_CTL. The reverse is also true.
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