ORA-15042 :: Duplicate disk (Doc ID 1588020.1)

Last updated on FEBRUARY 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 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 EBS_UNDO_DG1
MOUNTED CLN1_NONEBS_BOS
MOUNTED EBS_ASM_DG1
MOUNTED EBS_TEMP_DG1
MOUNTED ARCH_DG1
DISMOUNTED ASM_SIEPROD_DG1
DISMOUNTED FLASH_DG1_SIECRP3
DISMOUNTED ASM_DG1_BOS

8 rows selected.

SQL> alter diskgroup ASM_SIEPROD_DG1 mount;
alter diskgroup ASM_SIEPROD_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_SIECRP3 mount;

alter diskgroup FLASH_DG1_SIECRP3 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_BOS mount;
alter diskgroup ASM_DG1_BOS mount
*
ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15024: discovered duplicately numbered ASM disk 5

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms