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Exadata: Attempt to re-create the DBFS_DG diskgroup fails with ORA-15276 and PROC-26 (Doc ID 1570830.1)

Last updated on JULY 22, 2020

Applies to:

Oracle Exadata Hardware - Version and later
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.


We might run into the following scenario when try to re-create the DBFS_DG diskgroup, and the diskgroup is dismounted due to missing disks.

SQL> drop diskgroup DBFS_DG force including contents;
drop diskgroup DBFS_DG force including contents

* ERROR at line 1:
ORA-15039: diskgroup not dropped
ORA-15276: ASM diskgroup DBFS_DG has cluster voting files

And the attempt to move the voting files to an available diskgroup would fail as well. 

bash-4.1$ /u01/app/ replace votedisk +RECO_DG

Oracle Cluster Registry initialization failed accessing Oracle Cluster Registry device: PROC-26: Error while accessing the physical storage
CRS-4000: Command Add failed, or completed with errors.



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