Installation and Upgrade Guide

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Step 1. Stop Access to PowerExchange

Before you upgrade, you must stop some PowerExchange and PowerCenter tasks.

If you use PowerExchange bulk data movement only, stop the following tasks:

All PowerCenter workflows that extract data from or write data to PowerExchange

All PowerExchange Listener address spaces

If you use PowerExchange CDC, stop the following tasks:

All PowerCenter workflows that extract data from or write data to PowerExchange

All PowerExchange Listener address spaces

All ECCR address spaces

All PowerExchange Condense address spaces

All PowerExchange Logger for z/OS address spaces

All PowerExchange Agent address spaces

To stop the Db2 for z/OS ECCR, use the ECCR QUIESCE command. This command stops the ECCR after it reaches a point in the Db2 log where no in-flight UOWs exist.

Use the following syntax to issue the QUIESCE command:

F job_name,QUIESCE

The job_name variable is the name of the ECCR job or the started task.

The resulting output includes the PWXEDM177268I and PWXEDM177012I messages, as shown in the following example:

PWXEDM177268I LAST READ DB2 LOG LOCATION=rba_or_lrsn.data_sharing_member_id.sequence_number
PWXEDM177012I ECCR STATUS: LAST DB2 READ LOC rba_or_lrsn.data_sharing_member_id.sequence_number
OLDEST OPEN UOW urid.data_sharing_member_id

You will need the values in these messages if you have to perform a special start of the ECCR. For more information, see Considerations for Starting the DB2 ECCR.

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Table of Contents

Installation and Upgrade Guide

Installation and Upgrade Guide

Step 1. Stop Access to PowerExchange

Step 1. Stop Access to PowerExchange