ERROR: -9(Error 27046, OS Error (Additional information: 1) on ASM (Doc ID 1602402.1)

Last updated on OCTOBER 31, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

1] ORA-27046 error comes up in ASM alert.log when trying to mount non-existing diskgroup

Example> ASM alert.log - "AAA" diskgroup does not exist in this test enviroment

Fri Nov 22 19:08:02 2013
SQL> alter diskgroup AAA mount                                                                           <<<<<<<<<<<----------------- AAA diskroup mounted
NOTE: cache registered group AAA number=9 incarn=0x5ef42192
NOTE: cache began mount (first) of group AAA number=9 incarn=0x5ef42192
..
GMON dismounting group 9 at 54 for pid 23, osid 28498
ERROR: diskgroup AAA was not mounted
ORA-15032: not all alterations performed
ORA-15017: diskgroup "AAA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup "AAA"
ERROR: alter diskgroup AAA mount                                                                        <<<<<<<<<<<----------------- Error as AAA diskroup does not exist
Fri Nov 22 19:08:05 2013
NOTE: No asm libraries found in the system
ERROR: -9(Error 27046, OS Error (Additional information: 1)                                  <<<<<<<<<<<----------------  Here, ORA-27046 error


2] Similar message can be found on ASM shutdown

Instance terminated by LMON, pid = 21626
Fri Dec 02 01:16:51 2011
NOTE: No asm libraries found in the system
ERROR: -9(Error 27046, OS Error (Additional information: 1)
)

 

Cause

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