Set Cluster Interconnects in Oracle RAC

To set the cluster interconnects in the RAC

 * Delete any references of the cluster_interconnect on the interfaces.

Before host1$ oifcfg getif ce0 192.168.1.0  global  cluster_interconnect ce4 10.0.102.0   global  public

Delete cluster interconnects using oifcfg. host1$ oifcfg delif -global ce0 After host1$ oifcfg getif ce4 10.0.102.0   global  public


 * The cluster_interconnects initialization parameter must be manually overrode its the default value from the OCR.

Before SQL> select * from gv$cluster_interconnects;

INST_ID NAME           IP_ADDRESS       IS_ SOURCE -- --- --- ---         1 ce0             192.168.1.50     NO  Oracle Cluster Repository 2 ce0            192.168.1.51     NO  Oracle Cluster Repository

Update the initialization parameters in both ASM and RAC database. alter system set cluster_interconnects = '192.168.1.50' scope=spfile sid='RAC1' ; alter system set cluster_interconnects = '192.168.1.51' scope=spfile sid='RAC2' ; After SQL> select * from gv$cluster_interconnects;

INST_ID NAME           IP_ADDRESS       IS_ SOURCE -- --- --- ---         1 ce0             192.168.1.50     NO  cluster_interconnects parameter     <== Source is changed 2 ce0            192.168.1.51     NO  cluster_interconnects parameter     <== Source is changed