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Operating environment

Log Master for DB2 requires the operating environment described in this topic.

This topic contains:

DB2 support

This version of Log Master supports IBM supported versions of the IBM DB2 subsystem.

System requirements

This version of Log Master supports IBM supported versions of the z/OS system that are active on all systems in the sysplex.

For data migration, Log Master includes versions of the High-speed Apply Engine that run on distributed systems (UNIX and Microsoft Windows) against target databases on either the IBM DB2 for Linux, UNIX, and Windows (LUW) or Oracle.

To use the Log Master online interface, you need ISPF version 3.3 or later.

Setting the MEMLIMIT parameter

The following products and components require above-the-bar memory and might abend if sufficient memory is not available:
  • ALTER

  • BMCSORT

  • CATALOG MANAGER

  • CHANGE MANAGER

  • CHECK PLUS

  • NGT Copy

  • DASD MANAGER PLUS

  • High-speed Apply Engine

  • LOADPLUS

  • Log Master

  • NGT Recover

  • RECOVERY MANAGER

  • REORG PLUS

  • UNLOAD PLUS

In Version 1.10 and later of the IBM z/OS system, the default value for the System Management Facility (SMF) MEMLIMIT parameter is 2 GB. For most jobs, 2 GB should be sufficient. However, if you are processing a large amount of data (especially compressed data) or operating on LOB or XML data, BMC recommends at least 32 GB.

This value is set in member SMFPRMxx in SYS1.PARMLIB. Use any of the following methods if you need to override the default value:

  • Specify the MEMLIMIT parameter in the JCL.

  • Specify REGION=0M in the JCL.

  • Use the SMF IEFUSI exit.


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