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Real Application Clusters (RAC) Automatic Storage Management (ASM) Instances Crash With ORA-29702 When Multiple ASM Instances Start(ed) (Doc ID 733262.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.1.0.7 [Release 10.1 to 11.1]
Information in this document applies to any platform.
***Checked for relevance on 29-Nov-2013***


Symptoms

On a new RAC installation, 1) cannot startup all 3 ASM instances or 2) if these are started, they
(or some ASM instances) do crash.

1) If attempting to restart an ASM instance:

    From srvctl, it gives

$ ./srvctl start asm -n wlrzd4447
PRKS-1009 : Failed to start ASM instance "+ASM2" on node "wlrzd4447", [PRKS-
1009 : Failed to start ASM instance "+ASM2" on node "wlrzd4447", [CRS-0215:
Could not start resource 'ora.wlrzd4447.ASM2.asm'.]]
[PRKS-1009 : Failed to start ASM instance "+ASM2" on node "wlrzd4447", [CRS-
0215: Could not start resource 'ora.wlrzd4447.ASM2.asm'.]]


    From sqlplus, it gives:

SQL> startup
ORA-03113: end-of-file on communication channel



2) The alert log for any of the ASM instance that crash, shows:

ORA-29702: error occurred in Cluster Group Service operation
LMON: terminating instance due to error 29702

.

Cause

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