Nodes political foreclosure

Hi all
I have a problem on a stretched production cluster, running node 2 RAC Oracle 11 GR 2 located in two different sites.

The problem we face is, node 1 of the cluster on site 1 lost the external connectivity on both private and public interconnections.

In this case, nodes 1 and 2 have the network heartbeat check on the private interconnect, but node 2 still have public interconnection where many applications are working.

According to the Oracle political ouster, at this point, the master node (perhaps the node with the smallest number of node) sends a signal "kill" on the other node to avoid a potential effect "Split Brain".

I was wondering, is there any polocy that I put up just to set a priority among the nodes? I want to preserve "alive" of the accessible node by applications (node2 with public interconnection just straight up) and let the other node (node 1 with the two connections down) should be deported.

I'd appreciate your answers really.

Hello

There is no way in which you can give priority to a node in order to always be a master node. Algorithms possible one where a node can be defined as a master node are as follows

-The node that began first in the cluster

-The node that remained up during a maintenance activity where, in the other node would have been worn down

How you can identify a master node is

-Watching the crsd newspaper and checking nodes newspaper later 'I AM THE NEW MASTER of the OCR' or 'NEW OCR MASTER IS.

-ocrconfig - showbackup (the node that owns and hosts the last backup of the ocr

Kind regards

Vautrin - Oracle

Tags: Database

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    at stages.routing.runtime.RouteRuntimeStep.processMessage(RouteRuntimeStep.java:128)
    at com.bea.wli.sb.pipeline.debug.DebuggerRuntimeStep.processMessage(DebuggerRuntimeStep.java:74)
    to com.bea.wli.sb.stages.StageMetadataImpl$ WrapperRuntimeStep.processMessage (StageMetadataImpl.java:346)
    at com.bea.wli.sb.pipeline.RouteNode.doRequest(RouteNode.java:106)
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    at com.bea.wli.sb.pipeline.PipelineContextImpl.execute(PipelineContextImpl.java:922)
    at com.bea.wli.sb.pipeline.Router.processMessage(Router.java:214)
    at com.bea.wli.sb.pipeline.MessageProcessor.processRequest(MessageProcessor.java:99)
    to com.bea.wli.sb.pipeline.RouterManager$ 1.run(RouterManager.java:593)
    to com.bea.wli.sb.pipeline.RouterManager$ 1.run(RouterManager.java:591)
    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
    at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:147)
    at com.bea.wli.sb.security.WLSSecurityContextService.runAs(WLSSecurityContextService.java:55)
    at com.bea.wli.sb.pipeline.RouterManager.processMessage(RouterManager.java:590)
    at com.bea.wli.sb.test.service.ServiceMessageSender.send0(ServiceMessageSender.java:329)
    to com.bea.wli.sb.test.service.ServiceMessageSender.access$ 000 (ServiceMessageSender.java:76)
    to com.bea.wli.sb.test.service.ServiceMessageSender$ 1.run(ServiceMessageSender.java:134)
    to com.bea.wli.sb.test.service.ServiceMessageSender$ 1.run(ServiceMessageSender.java:132)
    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
    at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:147)
    at com.bea.wli.sb.security.WLSSecurityContextService.runAs(WLSSecurityContextService.java:55)
    at com.bea.wli.sb.test.service.ServiceMessageSender.send(ServiceMessageSender.java:137)
    at com.bea.wli.sb.test.service.ServiceProcessor.invoke(ServiceProcessor.java:454)
    at com.bea.wli.sb.test.TestServiceImpl.invoke(TestServiceImpl.java:172)
    at com.bea.wli.sb.test.client.ejb.TestServiceEJBBean.invoke(TestServiceEJBBean.java:167)
    at com.bea.wli.sb.test.client.ejb.TestService_sqr59p_EOImpl.invoke(TestService_sqr59p_EOImpl.java:353)
    at com.bea.wli.sb.test.client.ejb.TestService_sqr59p_EOImpl_WLSkel.invoke (unknown Source)
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    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
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    at com.bea.wli.sb.context.BindingLayerImpl.addRequest(BindingLayerImpl.java:271)
    at com.bea.wli.sb.pipeline.MessageProcessor.processRequest(MessageProcessor.java:90)
    to com.bea.wli.sb.pipeline.RouterManager$ 1.run(RouterManager.java:593)
    to com.bea.wli.sb.pipeline.RouterManager$ 1.run(RouterManager.java:591)
    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
    at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:147)
    at com.bea.wli.sb.security.WLSSecurityContextService.runAs(WLSSecurityContextService.java:55)
    at com.bea.wli.sb.pipeline.RouterManager.processMessage(RouterManager.java:590)
    at com.bea.wli.sb.transports.TransportManagerImpl.receiveMessage(TransportManagerImpl.java:375)
    to com.bea.wli.sb.transports.CoLocatedMessageContext$ 1.run(CoLocatedMessageContext.java:162)
    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
    at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:147)
    at weblogic.security.Security.runAs(Security.java:61)
    at com.bea.wli.sb.util.security.SecurityUtils.runAs(SecurityUtils.java:58)
    at com.bea.wli.sb.transports.CoLocatedMessageContext.send(CoLocatedMessageContext.java:157)
    at com.bea.wli.sb.transports.http.wls.HttpTransportProvider.sendMessageAsync(HttpTransportProvider.java:215)
    at sun.reflect.GeneratedMethodAccessor719.invoke (unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    to com.bea.wli.sb.transports.Util$ 1.invoke(Util.java:83)
    to $Proxy110.sendMessageAsync (Unknown Source)
    at com.bea.wli.sb.transports.LoadBalanceFailoverListener.sendMessageAsync(LoadBalanceFailoverListener.java:148)
    at com.bea.wli.sb.transports.LoadBalanceFailoverListener.sendMessageToServiceAsync(LoadBalanceFailoverListener.java:603)
    at com.bea.wli.sb.transports.LoadBalanceFailoverListener.sendMessageToService(LoadBalanceFailoverListener.java:538)
    at com.bea.wli.sb.transports.TransportManagerImpl.sendMessageToService(TransportManagerImpl.java:558)
    at com.bea.wli.sb.transports.TransportManagerImpl.sendMessageAsync(TransportManagerImpl.java:426)
    at com.bea.wli.sb.pipeline.PipelineContextImpl.doDispatch(PipelineContextImpl.java:597)
    at com.bea.wli.sb.pipeline.PipelineContextImpl.dispatch(PipelineContextImpl.java:501)
    at stages.routing.runtime.RouteRuntimeStep.processMessage(RouteRuntimeStep.java:128)
    at com.bea.wli.sb.pipeline.debug.DebuggerRuntimeStep.processMessage(DebuggerRuntimeStep.java:74)
    to com.bea.wli.sb.stages.StageMetadataImpl$ WrapperRuntimeStep.processMessage (StageMetadataImpl.java:346)
    at com.bea.wli.sb.pipeline.RouteNode.doRequest(RouteNode.java:106)
    at com.bea.wli.sb.pipeline.Node.processMessage(Node.java:67)
    at com.bea.wli.sb.pipeline.PipelineContextImpl.execute(PipelineContextImpl.java:922)
    at com.bea.wli.sb.pipeline.Router.processMessage(Router.java:214)
    at com.bea.wli.sb.pipeline.MessageProcessor.processRequest(MessageProcessor.java:99)
    to com.bea.wli.sb.pipeline.RouterManager$ 1.run(RouterManager.java:593)
    to com.bea.wli.sb.pipeline.RouterManager$ 1.run(RouterManager.java:591)
    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
    at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:147)
    at com.bea.wli.sb.security.WLSSecurityContextService.runAs(WLSSecurityContextService.java:55)
    at com.bea.wli.sb.pipeline.RouterManager.processMessage(RouterManager.java:590)
    at com.bea.wli.sb.test.service.ServiceMessageSender.send0(ServiceMessageSender.java:329)
    to com.bea.wli.sb.test.service.ServiceMessageSender.access$ 000 (ServiceMessageSender.java:76)
    to com.bea.wli.sb.test.service.ServiceMessageSender$ 1.run(ServiceMessageSender.java:134)
    to com.bea.wli.sb.test.service.ServiceMessageSender$ 1.run(ServiceMessageSender.java:132)
    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
    at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:147)
    at com.bea.wli.sb.security.WLSSecurityContextService.runAs(WLSSecurityContextService.java:55)
    at com.bea.wli.sb.test.service.ServiceMessageSender.send(ServiceMessageSender.java:137)
    at com.bea.wli.sb.test.service.ServiceProcessor.invoke(ServiceProcessor.java:454)
    at com.bea.wli.sb.test.TestServiceImpl.invoke(TestServiceImpl.java:172)
    at com.bea.wli.sb.test.client.ejb.TestServiceEJBBean.invoke(TestServiceEJBBean.java:167)
    at com.bea.wli.sb.test.client.ejb.TestService_sqr59p_EOImpl.invoke(TestService_sqr59p_EOImpl.java:353)
    at com.bea.wli.sb.test.client.ejb.TestService_sqr59p_EOImpl_WLSkel.invoke (unknown Source)
    at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:589)
    at weblogic.rmi.cluster.ClusterableServerRef.invoke(ClusterableServerRef.java:230)
    to weblogic.rmi.internal.BasicServerRef$ 1.run(BasicServerRef.java:477)
    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
    at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:147)
    at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:473)
    at weblogic.rmi.internal.wls.WLSExecuteRequest.run(WLSExecuteRequest.java:118)
    at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
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    >
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