Mount ASM Disk Group Fails : ORA-15186, ORA-15025, ORA-15063 (Doc ID 1384504.1)

Last updated on JANUARY 12, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Information in this document applies to any platform.
Checked for relevance on 10-May-2013

Symptoms

 

Note About Platform Specific:   Although '/etc/sysconfig/oracleasm' is only applicable to Linux environments, similar errors could  occur and affect non-Linux environments that employ multipath devices.


Mount ASM disk group fails with: ORA-15186, ORA-15025, ORA-15063

alert_+ASM.log:
~~~~~~~~~~~~~~~~~~
...
NOTE: Loaded library: /opt/oracle/extapi/64/asm/orcl/1/libasm.so
ORA-15186: ASMLIB error function = [asm_open(global)], error = [1], mesg = [Operation not permitted]
ORA-15025: could not open disk "ORCL:DISCO01BKP"
ORA-15186: ASMLIB error function = [asm_open(global)], error = [1], mesg = [Operation not permitted]
ORA-15025: could not open disk "ORCL:DISCO02BKP"
ORA-15186: ASMLIB error function = [asm_open(global)], error = [1], mesg = [Operation not permitted]
ORA-15025: could not open disk "ORCL:DISCO03BKP"
ORA-15186: ASMLIB error function = [asm_open(global)], error = [1], mesg = [Operation not permitted]
ORA-15025: could not open disk "ORCL:DISCO04BKP"
ORA-15186: ASMLIB error function = [asm_open(global)], error = [1], mesg = [Operation not permitted]
ORA-15025: could not open disk "ORCL:DISCO05BKP"
ERROR: no PST quorum in group: required 2, found 0
...
ERROR: diskgroup DATA2 was not mounted
ORA-15032: not all alterations performed
ORA-15017: diskgroup "DATA2" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup "DATA2"

Cause

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