A VPC Problem

[niz <ni...@chinanetcenter.com>]

Hi,

I met a problem with a VPC in CS 4.0. All the VM instances and the virtual router in that VPC have stopped now. I get the following information in /var/log/cloud/agent/agent.log

2013-03-01 15:05:27,990 WARN  [kvm.resource.LibvirtComputingResource] (agentRequest-Handler-4:null) Failed to start domain: r-4-VM: Cannot get interface MTU on 'cloudVirBr3938': No such device
2013-03-01 15:05:27,993 WARN  [kvm.resource.LibvirtComputingResource] (agentRequest-Handler-4:null) Exception 
org.libvirt.LibvirtException: Cannot get interface MTU on 'cloudVirBr3938': No such device
at org.libvirt.ErrorHandler.processError(Unknown Source)
at org.libvirt.Connect.processError(Unknown Source)
at org.libvirt.Domain.processError(Unknown Source)
at org.libvirt.Domain.create(Unknown Source)
at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.startDomain(LibvirtComputingResource.java:910)
at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.execute(LibvirtComputingResource.java:2813)
at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1035)
at com.cloud.agent.Agent.processRequest(Agent.java:518)
at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:831)
at com.cloud.utils.nio.Task.run(Task.java:83)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
2013-03-01 15:05:27,994 WARN  [cloud.agent.Agent] (agentRequest-Handler-4:null) Caught: 
java.lang.NullPointerException
at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.cleanupVMNetworks(LibvirtComputingResource.java:3922)
at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.handleVmStartFailure(LibvirtComputingResource.java:2709)
at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.execute(LibvirtComputingResource.java:2834)
at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1035)
at com.cloud.agent.Agent.processRequest(Agent.java:518)
at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:831)
at com.cloud.utils.nio.Task.run(Task.java:83)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)

when I try to restart the virtual router on UI, I get the following error message: 

Resource [Host:1] is unreachable: Host 1: Unable to start instance  due to Unable to get answer that is of class com.cloud.agent.api.StartAnswer

How can I solve this problem? Please help me!

2013-03-01 



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