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ORA-15024 :: Duplicate disk (Doc ID 1588020.1)

Last updated on JANUARY 21, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata 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.

Symptoms

3 Diskgroups are not getting mounted.

SQL> select state, name from v$asm_diskgroup;

STATE NAME
----------- ------------------------------
MOUNTED UNDO_DG1
MOUNTED DATA1
MOUNTED ASM_DG1
MOUNTED TEMP_DG1
MOUNTED ARCH_DG1
DISMOUNTED ASM_DATA_DG1
DISMOUNTED FLASH_DG1
DISMOUNTED ASM_DG1

8 rows selected.

SQL> alter diskgroup ASM_DATA_DG1 mount;
alter diskgroup ASM_DATA_DG1 mount
*
ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15024: discovered duplicately numbered ASM disk 5


SQL> alter diskgroup FLASH_DG1 mount;

alter diskgroup FLASH_DG1 mount
*
ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15024: discovered duplicately numbered ASM disk 2


SQL> SQL> alter diskgroup ASM_DG1 mount;
alter diskgroup ASM_DG1 mount
*
ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15024: discovered duplicately numbered ASM disk 5

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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