Unable To Start ASM RAC Instances Due To ORA-27303: Remote Port MTU Does Not Match Local MTU. (Doc ID 947223.1)

Last updated on NOVEMBER 08, 2013

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.2.0.2 [Release 10.1 to 11.2]
Information in this document applies to any platform.
***Checked for relevance on 08-Nov-2013***

Symptoms

After create the ASM instances on a brand new RAC cluster configuration, they crashed with the next errors in the ASM alert.log files:

+ASM1:

ORA-27300: OS system dependent operation:config_check failed with status: 0
ORA-27301: OS failure message: Error 0
ORA-27302: failure occurred at: skgxpvalpid
ORA-27303: additional information: Remote port MTU does not match local MTU. [local: 2044, remote:
65532]
KSXP IPC protocol is incompatible with instance 2
Errors in file /opt/oracle/diag/asm/+asm/+ASM1/trace/+ASM1_lmon_696346.trc:
ORA-27300: OS system dependent operation:config_check failed with status: 0
ORA-27301: OS failure message: Error 0
ORA-27302: failure occurred at: skgxpvalpid
ORA-27303: additional information: Remote port MTU does not match local MTU. [local: 2044, remote:65532]



+ASM2:

Errors in file /opt/oracle/diag/asm/+asm/+ASM2/trace/+ASM2_lmon_381030.trc:
ORA-27300: OS system dependent operation:config_check failed with status: 0
ORA-27301: OS failure message: Error 0
ORA-27302: failure occurred at: skgxpvalpid
ORA-27303: additional information: Remote port MTU does not match local MTU. [local: 65532,
remote: 2044]
KSXP IPC protocol is incompatible with instance 1
Errors in file /opt/oracle/diag/asm/+asm/+ASM2/trace/+ASM2_lmon_381030.trc:
ORA-27300: OS system dependent operation:config_check failed with status: 0
ORA-27301: OS failure message: Error 0
ORA-27302: failure occurred at: skgxpvalpid
ORA-27303: additional information: Remote port MTU does not match local MTU. [local: 65532,remote: 2044]

 

Cause

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