Top 5 Database Hang Issues due to ASM
(Doc ID 2248393.1)
Last updated on DECEMBER 08, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 11.1.0.7 and laterOracle Database Cloud Schema 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
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
Purpose
The purpose of this note is to provide a summary of the Top 5 Database hang /performance due to ASM .
Details
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In this Document
| Purpose |
| Details |
| Issue #1:High Load On Server from Process Ora_onnn |
| Issue #2:High 'ksv master wait' And 'ASM File Metadata Operation' Waits In Non-Exadata 11g |
| Issue #3:LGWR Spinning and Waiting for "log file parallel write" When Redologs are on ASM |
| Issue #4: ASM Communication Error ORA-15055 ORA-21561 |
| Issue #5:ORA-600 [kfnsInstanceReg00] and long waits on "ASM FILE METADATA OPERATION" |
| References |