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Top 5 issues for Instance Eviction (Doc ID 1374110.1)

Last updated on NOVEMBER 03, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Purpose

This note is to give DBAs a quick summary of the top issues that cause the instance eviction.

Scope

DBAs

Details

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In this Document
Purpose
Scope
Details
 Issue #1  The alert.log shows ora-29740 as a reason for instance crash/eviction
 Symptoms:
 Possible causes:
 Solutions:
 Issue #2  The alert.log shows "ipc send timeout" error before the instance crashes or is evicted
 Symptoms:
 Possible causes:
 Solutions:
 Issue #3  The problem instance was hanging before the instance crashes or is evicted
 Symptoms:
 Possible causes:
 Solutions:
 Issue #4  The alert.log shows "Waiting for clusterware split-brain resolution" before one or more instances crashes or is evicted
 Symptoms:
 Possible causes:
 Solutions:
 Issue #5  The problem instance is killed by CRS because another instance tried to evict the problem instance and could not evict it.
 Symptoms:
 Possible causes:
 Solutions:
References

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