ORA-15024: Discovered Duplicately Numbered ASM Disk
(Doc ID 1457185.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.4 and later
Information in this document applies to any platform.
***Checked for relevance on 21-Jan-2014***
On : 10.2.0.4 version, STORAGE
ASM failed to start
after server reboot, the disk group can not mount,If you try to mount it you may get below error
SQL> alter diskgroup DATA MOUNT;
alter diskgroup DATA MOUNT
ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15024: discovered duplicately numbered ASM disk 4
There could have been duplication of Major/Minor number at the os level.
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