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Date: Fri, 7 Jun 2013 12:43:20 +0000 (UTC)
From: "Wido den Hollander (JIRA)" <jira@apache.org>
To: cloudstack-issues@incubator.apache.org
Message-ID: <JIRA.12651683.1370608880512.84406.1370609000986@arcas>
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Subject: [jira] [Updated] (CLOUDSTACK-2893) The Agent attempts to re-create
 a already existing Libvirt Storage pool when creating a volume
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     [ 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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