11.2.0.3 AIX RAC下$ORACLE_HOME/dbs生成大量core_* dump檔案

Core Files Generated Under $ORACLE_HOME/dbs Directory [ID 1327258.1]
		修改時間 02-JUN-2011     型別 PROBLEM     狀態 MODERATED

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This document is being delivered to you via Oracle Support's Rapid Visibility (RaV) process and therefore has not been subject to an independent technical review.

Applies to:

Oracle Server - Enterprise Edition - Version: 11.2.0.1 and later   [Release: 11.2 and later ]
Information in this document applies to any platform.

Symptoms

Core files generated under the $ORACLE_HOME/dbs directory.
The following is the call stack extracted from those core files:

Cause

This problem has been reported in 2 bugs:

 FREQUENT CORE DUMP GENERATED - SKGDBGCRA, KSDBGCRA, KSMLSGE_PHASEONE
 MANY CORE_* DIRECTORIES CREATED UNDER THE GRID HOME'S DBS DIRECTORY

both bugs have been closed as duplicate of

 MULTIPLE ISSUES IDENTIFIED WITH LISTENER METRIC TNSERRORS

where development explain that this can occur if TnsError listener metric is enabled from EM

Solution

1. Bug has been fixed in GC version 12. If possible please upgrade your grid control to 12g.
OR
2. As a workaround you can disable TnsError listener metric from EM GC Console.

References

 - FREQUENT CORE DUMP GENERATED - SKGDBGCRA, KSDBGCRA, KSMLSGE_PHASEONE
 - MANY CORE_* DIRECTORIES CREATED UNDER THE GRID HOME'S DBS DIRECTORY
 - MULTIPLE ISSUES IDENTIFIED WITH LISTENER METRIC TNSERRORS