CDC Guide for z/OS

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Configuring the EDMUPARM Options Module

You can specify PowerExchange Logger options in the EDMUPARM options module, which is in the USERLIB library.

This module is created by the SETUPCC2 job in the RUNLIB library during PowerExchange installation.

Before you configure the EDMUPARM options module, consider the following issues:

If you use dual logging and dual emergency restart data sets, allocate the primary and secondary data sets to different volumes. This practice makes data recovery possible when a disk failure occurs.

To create an effective logging configuration, balance the following guidelines:

Size the input and output buffers based on the volume of captured change data.

Define the number of active log data sets based on the volume of captured change data and how rapidly the data can be archived. Minimum is 3, and maximum is 31.

Size the active log data set based on the volume of change data and the size requirements of the archive media.

Size the archive log data set based on the active log data set size, the block size of the archive data sets, and the type of device to which you are archiving.

Configuring the PowerExchange Logger for z/OS

DEFINE Statement

SYSTEM_OPTIONS Parameters

ARCHIVE_OPTIONS Parameters

LOGGING_OPTIONS Parameters

END Statement

Size and Number of Active Log Data Sets

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