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https://issues.apache.org/jira/browse/CLOUDSTACK-9113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15054283#comment-15054283
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ASF GitHub Bot commented on CLOUDSTACK-9113:
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Github user DaanHoogland commented on the pull request:
https://github.com/apache/cloudstack/pull/1182#issuecomment-164146578
LGTM based on the code. It does implement a use case that should be tested.
not sure if we need it in this PR
> Vm stats can not be updated if one vm has inconsistent state between KVM and
> db
> -------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-9113
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9113
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Reporter: Wei Zhou
> Assignee: Wei Zhou
>
> on KVM, if there is a vm has inconsistent state between hypervisor and db,
> the getVmStat will terminate and return nothing, all vm stats will not be
> updated.
> 2015-12-07 11:24:25,711 DEBUG [cloud.agent.Agent]
> (agentRequest-Handler-3:null) Processing command:
> com.cloud.agent.api.GetVmStatsCommand
> 2015-12-07 11:24:25,711 DEBUG [kvm.resource.LibvirtConnection]
> (agentRequest-Handler-3:null) Looking for libvirtd connection at:
> qemu:///system
> 2015-12-07 11:24:25,729 DEBUG [kvm.resource.LibvirtConnection]
> (agentRequest-Handler-3:null) Looking for libvirtd connection at:
> qemu:///system
> 2015-12-07 11:24:25,746 DEBUG [kvm.resource.LibvirtConnection]
> (agentRequest-Handler-3:null) Looking for libvirtd connection at:
> qemu:///system
> 2015-12-07 11:24:25,748 DEBUG [kvm.resource.LibvirtConnection]
> (agentRequest-Handler-3:null) Can not find KVM connection for Instance:
> i-2-7563-VM, continuing.
> 2015-12-07 11:24:25,748 DEBUG [kvm.resource.LibvirtConnection]
> (agentRequest-Handler-3:null) Looking for libvirtd connection at: lxc:///
> 2015-12-07 11:24:25,750 DEBUG [kvm.resource.LibvirtConnection]
> (agentRequest-Handler-3:null) Can not find LXC connection for Instance:
> i-2-7563-VM, continuing.
> 2015-12-07 11:24:25,750 WARN [kvm.resource.LibvirtConnection]
> (agentRequest-Handler-3:null) Can not find a connection for Instance
> i-2-7563-VM. Assuming the default connection.
> 2015-12-07 11:24:25,750 DEBUG [kvm.resource.LibvirtConnection]
> (agentRequest-Handler-3:null) Looking for libvirtd connection at:
> qemu:///system
> 2015-12-07 11:24:25,752 DEBUG
> [resource.wrapper.LibvirtGetVmStatsCommandWrapper]
> (agentRequest-Handler-3:null) Can't get vm stats:
> org.libvirt.LibvirtException: Domain not found: no domain with matching name
> 'i-2-7563-VM'
> 2015-12-07 11:24:25,819 DEBUG [cloud.agent.Agent]
> (agentRequest-Handler-5:null) Processing command:
> com.cloud.agent.api.GetHostStatsCommand
> 2015-12-07 11:24:26,037 DEBUG [cloud.agent.Agent]
> (agentRequest-Handler-1:null) Processing command:
> com.cloud.agent.api.GetStorageStatsCommand
> we should skip the vm which has inconsistent state, and continue on others.
> how to reproduce:
> (1) start a vm
> (2) 'virsh destroy' the vm
> (3) check the agent.log (notice the vm.stats.intervel in global
> configuruation)
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