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Top Issues : Encountered while ASM Diskgroup Drop (Doc ID 2247442.1)

Last updated on JANUARY 17, 2023

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 to 12.1]
Oracle 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 Backup Service - Version N/A and later
Information in this document applies to any platform.


 The purpose of this note is to provide a summary of the top issues that are encountered during ASM Diskgroup Drop Operation


 This note applies to Grid Infrastructure for both Clustered and Standalone ASM environment.


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In this Document
 Issue #1 ORA-15027: active use of diskgroup precludes its dismount (With no database clients connected)
 Issue #2 Drop Diskgroup Reports ORA-15039 ORA-15073 When it is Mounted on RAC nodes
 Issue #3 Database Process Hold Locks Dropped ASM Disk
 Issue #4 Unable to Drop the diskgroup when physical diskgroup is not present anymore

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