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https://issues.apache.org/jira/browse/CLOUDSTACK-2893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wei Zhou closed CLOUDSTACK-2893.
--------------------------------
Resolution: Duplicate
This duplicates CLOUDSTACK-2780 which is a libvirt issue and being worked on by
Redhat community. We need a temporary workaound in CloudStack.
> The Agent attempts to re-create a already existing Libvirt Storage pool when
> creating a volume
> ----------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-2893
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2893
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: KVM
> Affects Versions: 4.1.0
> Environment: - Ubuntu 12.04.2
> - Libvirt 1.0.2 (Cloud Archive PPA from Canonical)
> - CloudStack 4.1
> Reporter: Wido den Hollander
> Assignee: Wei Zhou
> Fix For: 4.1.1
>
>
> When trying to deploy a new Instance I saw the following Exception in my logs:
> 2013-06-07 08:19:18,832 DEBUG [cloud.agent.Agent]
> (agentRequest-Handler-7:null) Processing command:
> com.cloud.agent.api.storage.CreateCommand
> 2013-06-07 08:19:18,840 DEBUG [kvm.resource.LibvirtComputingResource]
> (agentRequest-Handler-7:null) Failed to create volume:
> com.cloud.utils.exception.CloudRuntimeException:
> org.libvirt.LibvirtException: Requested operation is not valid: Target
> '/mnt/52801816-fe44-3a2b-a147-bb768eeea295' is already mounted
> 2013-06-07 08:19:18,841 DEBUG [cloud.agent.Agent]
> (agentRequest-Handler-7:null) Seq 12-477959384: { Ans: , MgmtId:
> 207376724852, via: 12, Ver: v1, Flags: 110,
> [{"storage.CreateAnswer":{"requestTemplateReload":false,"result":false,"details":"Exception:
> com.cloud.utils.exception.CloudRuntimeException\nMessage:
> org.libvirt.LibvirtException: Requested operation is not valid: Target
> '/mnt/52801816-fe44-3a2b-a147-bb768eeea295' is already mounted\nStack:
> com.cloud.utils.exception.CloudRuntimeException:
> org.libvirt.LibvirtException: Requested operation is not valid: Target
> '/mnt/52801816-fe44-3a2b-a147-bb768eeea295' is already mounted\n\tat
> com.cloud.hypervisor.kvm.storage.LibvirtStorageAdaptor.getStoragePool(LibvirtStorageAdaptor.java:427)\n\t
> at
> com.cloud.hypervisor.kvm.storage.KVMStoragePoolManager.getStoragePool(KVMStoragePoolManager.java:71)\n\t
> at
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.execute(LibvirtComputingResource.java:1271)\n\t
> at
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1072)\n\tat
> com.cloud.agent.Agent.processRequest(Agent.java:525)\n\t
> at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:852)\n\tat
> com.cloud.utils.nio.Task.run(Task.java:83)\n\tat
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)\n\tat
>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)\n\tat
> java.lang.Thread.run(Thread.java:679)\n","wait":0}}] }
> The Agent seems to try and create the storage pool again and Libvirt will try
> to mount it, but it is already mounted.
> The Storage pool is actually already running on that Hypervisor, but there
> seems to be a miscommuncation between libvirt and the Agent.
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