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From "Sangeetha Hariharan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-5574) KVM - HA - one of the Vms failed to start on another host when the host that it was running on was shutdown.
Date Thu, 19 Dec 2013 23:16:07 GMT
Sangeetha Hariharan created CLOUDSTACK-5574:
-----------------------------------------------

             Summary: KVM - HA - one of the Vms failed to start on another host when the host
that it was running on was shutdown.
                 Key: CLOUDSTACK-5574
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5574
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Management Server
    Affects Versions: 4.3.0
         Environment: Build from 4.3
            Reporter: Sangeetha Hariharan
            Priority: Critical
             Fix For: 4.3.0


KVM - HA - one of the Vms failed to start on another host when the host that it was running
on was shutdown.

Set up:
Advanced zone with 2 KVM hosts (RHEL 6.3).
Had 5 user Vms running on each host.
Shutdown host1 ( execute  echo o > /proc/sysrq-trigger on host)
All VMs from host1 , get HA-ed to host2.
Bring host1 up.

Shutdown host2. (  execute  echo o > /proc/sysrq-trigger on host)
All VMs from host2 get HA-ed to host2 , except for 1 user Vm.

It encounters the following exception in the agent logs when management server tries to start
this Vm as part of HA process.

2013-12-19 13:32:56,997 WARN  [kvm.resource.LibvirtComputingResource] (agentRequest-Handler-3:null)
LibvirtException
org.libvirt.LibvirtException: internal error Process exited while reading console log output:
        at org.libvirt.ErrorHandler.processError(Unknown Source)
        at org.libvirt.Connect.processError(Unknown Source)
        at org.libvirt.Connect.processError(Unknown Source)
        at org.libvirt.Connect.domainCreateXML(Unknown Source)
        at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.startVM(LibvirtComputingResource.java:1188)
        at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.execute(LibvirtComputingResource.java:3594)
        at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1282)
        at com.cloud.agent.Agent.processRequest(Agent.java:498)
        at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:806)
        at com.cloud.utils.nio.Task.run(Task.java:83)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:679)




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