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  • PowerExchange for CDC and Mainframe 10.5.1
  • 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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Example of CDC Offload Processing with a z/OS Source

Example of CDC Offload Processing with a z/OS Source

In this example, you enable a CDC session with a PWX CDC Real Time connection to use offload processing for change data extraction from a data source on a z/OS system.
The source data remains on z/OS but all column-level and UOW Cleanser (UOWC) processing is offloaded to the PowerCenter Integration Service machine.
On the z/OS source system, the DBMOVER member in the RUNLIB library includes the following CAPI_CONNECTION statements: 
CAPI_CONNECTION=(NAME=MV2UOWC,TYPE=(UOWC,CAPINAME=M2_LRAP,RSTRADV=600,MEMCACHE=20480,DATACLAS=UOWC))
CAPI_CONNECTION=(NAME=MV2_LRAP,TYPE=(LRAP,LOG=MV2L,AGENT=MV2A))
  1. Copy the UOWC and LRAP CAPI_CONNECTION statements from the DBMOVER member on z/OS to the dbmover.cfg configuration file on the PowerCenter Integration Service machine.
    Remove z/OS-specific parameters, such as DATACLAS, from the UOWC CAPI_CONNECTION statement.
    This example uses the following CAPI_CONNECTION statements in the dbmover.cfg file on the PowerCenter Integration Service machine: 
    CAPI_CONNECTION=(NAME=MV2UOWC,TYPE=(UOWC,CAPINAME=M2_LRAP,RSTRADV=600,MEMCACHE=20480))
    CAPI_CONNECTION=(NAME=MV2_LRAP,TYPE=(LRAP,LOG=MV2L,AGENT=MV2A))
  2. Stop the CDC session.
  3. Update the following attributes on the PWX CDC Real Time application connection for the CDC session:
    • For the
      Offload Processing
       option, select
      Yes
      .
    • For the
      CAPI Connection Name
       attribute, enter the name of the UOWC CAPI_CONNECTION statement. In this example, the name is MV2UOWC.
  4. Restart the CDC session.
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