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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9660) NPE while destroying volumes during 1000 VMs deploy and destroy tests
Date Tue, 28 Feb 2017 00:30:45 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15886904#comment-15886904
] 

ASF subversion and git services commented on CLOUDSTACK-9660:
-------------------------------------------------------------

Commit 6a18cdd6ef969cca3a063356d4a9a68163b5ff6e in cloudstack's branch refs/heads/master from
[~rajanik]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=6a18cdd ]

Merge pull request #1825 from Accelerite/CLOUDSTACK-9660

CLOUDSTACK-9660: NPE while destroying volumes during 1000 VMs deploy and destroy tests

NPE is seen as VM destroy and storage cleanup threads try to remove the same root volume.
Fix is to handle
only non-root volumes in storage cleanup thread, root volumes will be handled as part of VM
destroy.

* pr/1825:
  CLOUDSTACK-9660: NPE while destroying volumes during 1000 VMs deploy and destroy tests NPE
is seen as VM destroy and storage cleanup threads try to remove the same root volume. Fix
is to handle only non-root volumes in storage cleanup thread, root volumes will be handled
as part of VM destroy.

Signed-off-by: Rajani Karuturi <rajani.karuturi@accelerite.com>


> NPE while destroying volumes during 1000 VMs deploy and destroy tests
> ---------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9660
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9660
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.10.0.0
>            Reporter: Koushik Das
>            Assignee: Koushik Das
>             Fix For: 4.10.0.0
>
>
> Steps:
> 1. Install and configure a zone (advanced or basic).
> 2. Set config storage.cleanup.enabled = true and storage.cleanup.interval = 10 seconds
> 3. Deploy 1000 VMs and then destroy over multiple iterations.
> NPE seen in MS logs while deleting volume:
> 2015-06-18 16:27:47,797 DEBUG [c.c.v.VirtualMachineManagerImpl] (UserVm-Scavenger-1:ctx-5ecc886e)
(logid:132e3ff8) Cleaning up hypervisor data structures (ex. SRs in XenServer) for managed
storage
> 2015-06-18 16:27:47,799 DEBUG [o.a.c.e.o.VolumeOrchestrator] (UserVm-Scavenger-1:ctx-5ecc886e)
(logid:132e3ff8) Cleaning storage for vm: 2894
> 2015-06-18 16:27:47,823 INFO [o.a.c.s.v.VolumeServiceImpl] (UserVm-Scavenger-1:ctx-5ecc886e)
(logid:132e3ff8) Expunge volume with no data store specified
> 2015-06-18 16:27:47,828 DEBUG [c.c.s.StorageManagerImpl] (StorageManager-Scavenger-1:ctx-5e7b4eda)
(logid:bb642325) Storage pool garbage collector found 0 templates to clean up in storage pool:
XenRT-Zone-0-Pod-0-Cluster-0-Primary-Store-0
> 2015-06-18 16:27:47,828 INFO [o.a.c.s.v.VolumeServiceImpl] (UserVm-Scavenger-1:ctx-5ecc886e)
(logid:132e3ff8) Volume 2894 is not referred anywhere, remove it from volumes table
> 2015-06-18 16:27:47,829 DEBUG [c.c.s.StorageManagerImpl] (StorageManager-Scavenger-1:ctx-5e7b4eda)
(logid:bb642325) Storage pool garbage collector found 0 templates to clean up in storage pool:
XenRT-Zone-0-Pod-0-Cluster-1-Primary-Store-0
> 2015-06-18 16:27:47,832 DEBUG [c.c.s.StorageManagerImpl] (StorageManager-Scavenger-1:ctx-5e7b4eda)
(logid:bb642325) Secondary storage garbage collector found 0 templates to cleanup on template_store_ref
for store: nfs://10.81.56.7/xenrtnfs/1092931-dycPsK
> 2015-06-18 16:27:47,833 DEBUG [c.c.s.StorageManagerImpl] (StorageManager-Scavenger-1:ctx-5e7b4eda)
(logid:bb642325) Secondary storage garbage collector found 0 snapshots to cleanup on snapshot_store_ref
for store: nfs://10.81.56.7/xenrtnfs/1092931-dycPsK
> 2015-06-18 16:27:47,834 DEBUG [c.c.s.StorageManagerImpl] (StorageManager-Scavenger-1:ctx-5e7b4eda)
(logid:bb642325) Secondary storage garbage collector found 0 volumes to cleanup on volume_store_ref
for store: nfs://10.81.56.7/xenrtnfs/1092931-dycPsK
> 2015-06-18 16:27:47,842 DEBUG [c.c.v.VirtualMachineManagerImpl] (UserVm-Scavenger-1:ctx-5ecc886e)
(logid:132e3ff8) Expunged VM[User|i-10-2894-VM]
> 2015-06-18 16:27:47,844 WARN [c.c.s.StorageManagerImpl] (StorageManager-Scavenger-1:ctx-5e7b4eda)
(logid:bb642325) Unable to destroy volume 0b22f54b-3242-49ef-b16d-1c7801d5c2bd
> java.lang.NullPointerException
> at org.apache.cloudstack.storage.volume.VolumeServiceImpl.expungeVolumeAsync(VolumeServiceImpl.java:276)
> at com.cloud.storage.StorageManagerImpl.cleanupStorage(StorageManagerImpl.java:1121)
> at com.cloud.storage.StorageManagerImpl$StorageGarbageCollector.runInContext(StorageManagerImpl.java:1481)
> 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$Sync.innerRunAndReset(FutureTask.java:351)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
> 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)
> 2015-06-18 16:27:47,850 DEBUG [c.c.u.AccountManagerImpl] (UserVm-Scavenger-1:ctx-5ecc886e)
(logid:132e3ff8) Access granted to Acct[ed48b7f2-15a0-11e5-96dd-d275a7df156a-system] to Domain:1/
by AffinityGroupAccessChecker
> 2015-06-18 16:27:47,871 DEBUG [c.c.v.UserVmManagerImpl] (UserVm-Scavenger-1:ctx-5ecc886e)
(logid:132e3ff8) Starting cleaning up vm VM[User|i-10-2894-VM] resources...



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