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AIX: Top Things to DO NOW to Stabilize 11gR2 GI/RAC Cluster (Doc ID 1427855.1)

Last updated on FEBRUARY 03, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
IBM AIX on POWER Systems (64-bit)

Purpose

This note lists the top things to stabilize 11gR2 Grid Infrastructure and Real Application Cluster on IBM AIX, the focus area is the issues that cause high memory usage, high CPU usage and hang.

Scope

This document is intended for Oracle Clusterware/RAC Database Administrators and Oracle support engineers. 

Details

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In this Document
Purpose
Scope
Details
 B. USLA heap fix to reduce memory footprint for Oracle Server processes
 C. Other recommended OS fixes
 D. Apply the latest GI PSU to avoid known high resource consumption bugs
 E. ASM/Database fixes
 F. CSSD fix to avoid node eviction/reboot related issues
 G. EM agent high memory consumption on AIX (likely node will be rebooted)
 Appendix A: Data gathering
 Appendix B: Reference
 Community Discussions

References

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