WARNING: No cluster interconnect has been specified [message #269727]

ara.oracle Messages: 142 Registered: August 2007 Senior Member

RDBMS Version: Oracle 10g 10.2.0.1.0 Operating System and Version: Microsoft windows 2003 We had RAC setup consists of two nodes. In alert log we had an error Interface type 1 DB Switch 172.1.1.0 configured from OCR for use as a cluster interconnect WARNING 172.1.1.0 could not be translated to a network address error 1 Interface type 1 DB Switch 172.1.1.0 configured from OCR for use as a cluster interconnect WARNING 172.1.1.0 could not be translated to a network address error 1 Interface type 1 MZ-switch 192.168.1.0 configured from OCR for use as a public interface Interface type 1 MZ-Switch 192.168.1.0 configured from OCR for use as a public interface WARNING: No cluster interconnect has been specified. Depending on the communication driver configured Oracle cluster traffic may be directed to the public interface of this machine. Oracle recommends that RAC clustered databases be configured with a private interconnect for enhanced security and performance. I checked this error in meatlink.com and they given solution for this is Cause: The Clusterware does not see to be able to cope with card names that have dots included If you run the command oifcfg iflist :- the following is returned Public_Vlan 1_165.17.2.xxx 165.17.2.0 Private_VLAN254_165.17.254.xxx 165.17.254.0 From the above you can see the Nic name 's are Public_vlan1_165.17.2 and Private_vlan254_165.17.254 i.e contain dots If you rename the cards and remove the dots and update the names in the OCR , the clusteware selects the correct interfaces and works perfectly Solution 1. Rename the network cards through the control panel network and remove any dots from the name 2. run the following to update the ocr :- a) oifcfg delif c) oifcfg getif d) oifcfg setif -global "name 1 without dots"/ip address:public e) oifcfg setif -global "name 2 without dots"/ipaddress:cluster_interconect stop and retart the clusterware and database and the problem should no longer be reported in the alert logs I just want to know what is the procedure for doing this,i.e Wheather the db instance must be up or down Cluster service must be down or up Just give me the procedure and answer briefly

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