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Top 5 ASM instance startup Issues in RAC Environment (Doc ID 2247920.1)

Last updated on FEBRUARY 10, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2 to 19]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


The purpose of this document is to provide summary of top ASM instance startup issues and the possible solutions in a RAC environment. 




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In this Document
 Issue #1: ASM instance not getting started from specific nodes on a RAC cluster
 Issue #2: ASM coming up, but going down due to side effect of node eviction, ocr diskgroup dismount etc
 Issue #3: Unable to start ASM if OS CPUs # > 64
 Issue #4: oraagent indicates "ORA-01017: invalid username/password; logon denied" while starting up asm
 Issue #5: ASM instance not getting auto-mount diskgroups on reboot, but manual startup works fine

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