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From "Rajesh Battala (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-3392) resizeDataVolume throws an expception when trying to shrink volume on XenServer and KVM
Date Thu, 11 Jul 2013 10:33:48 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-3392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13705665#comment-13705665
] 

Rajesh Battala commented on CLOUDSTACK-3392:
--------------------------------------------

from the code:
for qcow2, shrinking is not supported.
                
> resizeDataVolume throws an expception when trying to shrink volume on XenServer and KVM
> ---------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-3392
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-3392
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Volumes
>    Affects Versions: 4.2.0
>         Environment: Management Server: RHEL 6.3 
> Xenserver: 6.1
>            Reporter: Pavan Kumar Bandarupally
>            Assignee: Likitha Shetty
>            Priority: Critical
>              Labels: integration-test
>             Fix For: 4.2.0
>
>         Attachments: KVM log.rar, management-server-log.rar
>
>
> An exception is thrown when trying to re-size(shrink) a data volume for a guest VM hosted
on Xenserver. The guest VM is shutdown before resizing as resize on Xenserver is supported
on offline VMs
> Note: Increasing the volume works fine. The exception is thrown only for shrink. Attaching
MS log.
> Stack Trace:
> ---------------
> 2013-07-08 20:18:36,971 WARN  [xen.resource.CitrixResourceBase] (DirectAgent-37:null)
Unable to resize volume
> SR_BACKEND_FAILURE_79VDI Invalid size [opterr=shrinking not allowed]
>         at com.xensource.xenapi.Types.checkResponse(Types.java:1936)
>         at com.xensource.xenapi.Connection.dispatch(Connection.java:368)
>         at com.cloud.hypervisor.xen.resource.XenServerConnectionPool$XenServerConnection.dispatch(XenServerConnectionPool.java:909)
>         at com.xensource.xenapi.VDI.resize(VDI.java:1350)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.execute(CitrixResourceBase.java:6155)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:516)
>         at com.cloud.hypervisor.xen.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:73)
>         at com.cloud.hypervisor.xen.resource.XenServer610Resource.executeRequest(XenServer610Resource.java:102)
>         at com.cloud.agent.manager.DirectAgentAttache$Task.run(DirectAgentAttache.java:186)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:166)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:165)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:266)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:679)
> 2013-07-08 20:18:36,972 DEBUG [agent.manager.DirectAgentAttache] (DirectAgent-37:null)
Seq 1-1025154837: Response Received:
> 2013-07-08 20:18:36,973 DEBUG [agent.transport.Request] (DirectAgent-37:null) Seq 1-1025154837:
Processing:  { Ans: , MgmtId: 7541090156566, via: 1, Ver: v1, Flags: 10, [{"storage.ResizeVolumeAnswer":{"newSize":0,"result":false,"details":"failed
to resize volume:SR_BACKEND_FAILURE_79VDI Invalid size [opterr=shrinking not allowed]","wait":0}}]
}
> 2013-07-08 20:18:36,974 DEBUG [agent.transport.Request] (Job-Executor-36:job-61) Seq
1-1025154837: Received:  { Ans: , MgmtId: 7541090156566, via: 1, Ver: v1, Flags: 10, { ResizeVolumeAnswer
} }
> 2013-07-08 20:18:37,029 DEBUG [cloud.async.AsyncJobManagerImpl] (Job-Executor-36:job-61)
Complete async job-61, jobStatus: 1, resultCode: 0, result: org.apache.cloudstack.api.response.VolumeResponse@1ff504a5
> 2013-07-08 20:18:37,044 DEBUG [cloud.async.AsyncJobManagerImpl] (Job-Executor-36:job-61)
Done executing org.apache.cloudstack.api.command.user.volume.ResizeVolumeCmd for job-61

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