Creating an ASM diskgroup on systems using multipath can fail with ORA-15042 (Doc ID 387426.1)

Last updated on OCTOBER 08, 2013

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.2.0.1.0 [Release 10.1 to 11.2]
Information in this document applies to any platform.
***Checked for relevance on 08-Oct-2013***

Symptoms

When trying to create a new diskgroup in the newly created ASM instance, it will always fails with ORA-15042.

 
ORA-15032: not all alterations performed
ORA-15042: ASM disk "n" is missing 
 
Checking ASM v$asm_disk and the storage devices at OS level, all seems to be ok. The disks are plainly visible in ASM, they figure out as CANDIDATE in v$asm_disk, the permissions are correctly set at OS level.


Cause

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