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From "Sangeetha Hariharan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-5284) kvm - Snapshots fail to get created when multiple snapshots are triggered in parallel.
Date Wed, 27 Nov 2013 03:19:35 GMT
Sangeetha Hariharan created CLOUDSTACK-5284:
-----------------------------------------------

             Summary: kvm - Snapshots fail to get created when multiple snapshots are triggered
in parallel. 
                 Key: CLOUDSTACK-5284
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5284
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Management Server
    Affects Versions: 4.3.0
         Environment: Build from 4.3
            Reporter: Sangeetha Hariharan
            Priority: Critical
             Fix For: 4.3.0


kvm - Snapshots fail to get created when multiple snapshots are triggered in parallel.

Deploy 10 Vms in each of the hosts , so we start with 20 Vms.
We will be constantly writing to the ROOT volume ( print timestamp every 1 minute).
Start concurrent snapshots for ROOT volumes for all the Vms by creating "Hourly" snapshot
policy at the same time.

About 8 of the snapshot creation fails , leaving behind Vms in "CreatedOnPrimary" state:

Following is the exception seen in management server log:

2013-11-26 18:42:26,221 DEBUG [c.c.s.s.SnapshotManagerImpl] (Job-Executor-94:ctx-6e9ca616
ctx-625ae8cb) Failed to create snapshot
com.cloud.utils.exception.CloudRuntimeException: there is no d5868538-d1fd-40a8-aba9-420ed1acc580
on disk /mnt/bcb4d2d2-5f3c-3244-aa20-a2a47157ef71/cb4b01fd-eaa1-4788-a5b2-f7ea1b3f000c
        at org.apache.cloudstack.storage.snapshot.SnapshotServiceImpl.backupSnapshot(SnapshotServiceImpl.java:275)
        at org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy.backupSnapshot(XenserverSnapshotStrategy.java:138)
        at org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy.takeSnapshot(XenserverSnapshotStrategy.java:289)
        at com.cloud.storage.snapshot.SnapshotManagerImpl.takeSnapshot(SnapshotManagerImpl.java:951)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
        at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:91)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
        at $Proxy160.takeSnapshot(Unknown Source)
        at org.apache.cloudstack.storage.volume.VolumeServiceImpl.takeSnapshot(VolumeServiceImpl.java:1342)
        at com.cloud.storage.VolumeApiServiceImpl.takeSnapshot(VolumeApiServiceImpl.java:1402)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
        at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:91)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
        at $Proxy232.takeSnapshot(Unknown Source)
        at org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd.execute(CreateSnapshotCmd.java:181)
        at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:161)
        at com.cloud.api.ApiAsyncJobDispatcher.runJobInContext(ApiAsyncJobDispatcher.java:109)
        at com.cloud.api.ApiAsyncJobDispatcher$1.run(ApiAsyncJobDispatcher.java:66)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
        at com.cloud.api.ApiAsyncJobDispatcher.runJob(ApiAsyncJobDispatcher.java:63)
        at org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.runInContext(AsyncJobManagerImpl.java:520)
        at org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
        at org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:722)
2013-11-26 18:42:26,229 DEBUG [o.a.c.s.v.VolumeServiceImpl] (Job-Executor-94:ctx-6e9ca616
ctx-625ae8cb) Take snapshot: 24 failed
com.cloud.utils.exception.CloudRuntimeException: Failed to create snapshot
        at com.cloud.storage.snapshot.SnapshotManagerImpl.takeSnapshot(SnapshotManagerImpl.java:972)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
        at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:91)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
        at $Proxy160.takeSnapshot(Unknown Source)
        at org.apache.cloudstack.storage.volume.VolumeServiceImpl.takeSnapshot(VolumeServiceImpl.java:1342)
        at com.cloud.storage.VolumeApiServiceImpl.takeSnapshot(VolumeApiServiceImpl.java:1402)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
        at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:91)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
        at $Proxy232.takeSnapshot(Unknown Source)
        at org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd.execute(CreateSnapshotCmd.java:181)
        at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:161)
        at com.cloud.api.ApiAsyncJobDispatcher.runJobInContext(ApiAsyncJobDispatcher.java:109)
        at com.cloud.api.ApiAsyncJobDispatcher$1.run(ApiAsyncJobDispatcher.java:66)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
        at com.cloud.api.ApiAsyncJobDispatcher.runJob(ApiAsyncJobDispatcher.java:63)
        at org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.runInContext(AsyncJobManagerImpl.java:520)
        at org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
        at org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:722)
Caused by: com.cloud.utils.exception.CloudRuntimeException: there is no d5868538-d1fd-40a8-aba9-420ed1acc580
on disk /mnt/bcb4d2d2-5f3c-3244-aa20-a2a47157ef71/cb4b01fd-eaa1-4788-a5b2-f7ea1b3f000c
        at org.apache.cloudstack.storage.snapshot.SnapshotServiceImpl.backupSnapshot(SnapshotServiceImpl.java:275)
        at org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy.backupSnapshot(XenserverSnapshotStrategy.java:138)
        at org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy.takeSnapshot(XenserverSnapshotStrategy.java:289)
        at com.cloud.storage.snapshot.SnapshotManagerImpl.takeSnapshot(SnapshotManagerImpl.java:951)
        ... 44 more
2013-11-26 18:42:26,230 DEBUG [o.a.c.f.j.i.AsyncJobManagerImpl] (Job-Executor-94:ctx-6e9ca616)
Complete async job-126, jobStatus: FAILED, resultCode: 530, result: org.apache.cloudstack.api.response.ExceptionResponse/null/{"uuidList":[],"errorcode":530,"errortext":"Failed
to create snapshot due to an internal error creating snapshot for volume 24"}
2013-11



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