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From "Wido den Hollander (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CLOUDSTACK-2893) The Agent attempts to re-create a already existing Libvirt Storage pool when creating a volume
Date Fri, 07 Jun 2013 12:43:20 GMT

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-2893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wido den Hollander updated CLOUDSTACK-2893:
-------------------------------------------

    Assignee: Wido den Hollander
    
> 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: Wido den Hollander
>             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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