Uploaded image for project: 'CloudStack'
  1. CloudStack
  2. CLOUDSTACK-4878

KVM snapshots are failing at CentOS 6.4

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Details

    • Bug
    • Status: Closed
    • Critical
    • Resolution: Invalid
    • 4.2.0, 4.2.1
    • None
    • KVM
    • Security Level: Public (Anyone can view this level - this is the default.)
    • None
    • Centos 6.4 x64 recent patches
      primary local or NFS and seconday storage on NFS

    Description

      2013-10-15 21:45:59,415 DEBUG [agent.transport.Request] (AgentManager-Handler-8:null) Seq 1-621806172: Processing: { Ans: , MgmtId: 110493122496, via: 1, Ver: v1, Flags: 110, [{"org.apache.cloudstack.storage.command.CopyCmdAnswer":{"newData":{"org.apache.cloudstack.storage.to.SnapshotObjectTO":{"path":"snapshots/4/5/57ef69cd-1bc8-4e47-94c1-84834befaaad","id":0}},"result":true,"wait":0}}] }
      2013-10-15 21:45:59,415 DEBUG [agent.manager.AgentAttache] (AgentManager-Handler-8:null) Seq 1-621806172: No more commands found
      2013-10-15 21:45:59,415 DEBUG [agent.transport.Request] (Job-Executor-2:job-40 = [ 81b303ad-acb2-483f-9571-d09064d1d086 ]) Seq 1-621806172: Received: { Ans: , MgmtId: 110493122496, via: 1, Ver: v1, Flags: 110,

      { CopyCmdAnswer }

      }
      2013-10-15 21:45:59,417 DEBUG [storage.snapshot.SnapshotServiceImpl] (Job-Executor-2:job-40 = [ 81b303ad-acb2-483f-9571-d09064d1d086 ]) Failed to update snapshot state
      com.cloud.utils.exception.CloudRuntimeException: DB Exception on: com.mysql.jdbc.JDBC4PreparedStatement@79fd21d8: SELECT snapshot_store_ref.id, snapshot_store_ref.store_id, snapshot_store_ref.store_role, snapshot_store_ref.snapshot_id, snapshot_store_ref.created, snapshot_store_ref.last_updated, snapshot_store_ref.size, snapshot_store_ref.physical_size, snapshot_store_ref.parent_snapshot_id, snapshot_store_ref.job_id, snapshot_store_ref.install_path, snapshot_store_ref.update_count, snapshot_store_ref.updated, snapshot_store_ref.state, snapshot_store_ref.ref_cnt, snapshot_store_ref.volume_id FROM snapshot_store_ref WHERE snapshot_store_ref.snapshot_id = 1 AND snapshot_store_ref.store_id = 1 AND snapshot_store_ref.store_role = 'Image' ORDER BY RAND() LIMIT 1
      at com.cloud.utils.db.GenericDaoBase.searchIncludingRemoved(GenericDaoBase.java:414)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at com.cloud.utils.db.GenericDaoBase.searchIncludingRemoved(GenericDaoBase.java:349)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at com.cloud.utils.db.GenericDaoBase.findOneIncludingRemovedBy(GenericDaoBase.java:859)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at com.cloud.utils.db.GenericDaoBase.findOneBy(GenericDaoBase.java:870)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at org.apache.cloudstack.storage.image.db.SnapshotDataStoreDaoImpl.findByStoreSnapshot(SnapshotDataStoreDaoImpl.java:178)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at org.apache.cloudstack.storage.snapshot.SnapshotObject.processEvent(SnapshotObject.java:253)
      at org.apache.cloudstack.storage.snapshot.SnapshotServiceImpl.copySnapshotAsyncCallback(SnapshotServiceImpl.java:315)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:616)
      at org.apache.cloudstack.framework.async.AsyncCallbackDispatcher.dispatch(AsyncCallbackDispatcher.java:142)
      at org.apache.cloudstack.framework.async.InplaceAsyncCallbackDriver.performCompletionCallback(InplaceAsyncCallbackDriver.java:26)
      at org.apache.cloudstack.framework.async.AsyncCallbackDispatcher.complete(AsyncCallbackDispatcher.java:120)
      at org.apache.cloudstack.storage.motion.AncientDataMotionStrategy.copyAsync(AncientDataMotionStrategy.java:423)
      at org.apache.cloudstack.storage.motion.DataMotionServiceImpl.copyAsync(DataMotionServiceImpl.java:55)
      at org.apache.cloudstack.storage.snapshot.SnapshotServiceImpl.backupSnapshot(SnapshotServiceImpl.java:265)
      at org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy.backupSnapshot(XenserverSnapshotStrategy.java:138)
      at org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy.takeSnapshot(XenserverSnapshotStrategy.java:264)
      at com.cloud.storage.snapshot.SnapshotManagerImpl.takeSnapshot(SnapshotManagerImpl.java:1013)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at org.apache.cloudstack.storage.volume.VolumeServiceImpl.takeSnapshot(VolumeServiceImpl.java:1307)
      at com.cloud.storage.VolumeManagerImpl.takeSnapshot(VolumeManagerImpl.java:2719)
      at org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd.execute(CreateSnapshotCmd.java:170)
      at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:158)
      at com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:531)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
      at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
      at java.util.concurrent.FutureTask.run(FutureTask.java:166)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      at java.lang.Thread.run(Thread.java:679)
      Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

      The last packet successfully received from the server was 42,750 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
      at sun.reflect.GeneratedConstructorAccessor174.newInstance(Unknown Source)
      at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
      at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
      at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
      at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117)
      at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3567)
      at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3456)
      at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3997)
      at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2468)
      at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2629)
      at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2719)
      at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155)
      at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2318)
      at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
      at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
      at com.cloud.utils.db.GenericDaoBase.searchIncludingRemoved(GenericDaoBase.java:408)
      ... 60 more
      Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
      ... 75 more
      2013-10-15 21:45:59,419 DEBUG [storage.snapshot.SnapshotManagerImpl] (Job-Executor-2:job-40 = [ 81b303ad-acb2-483f-9571-d09064d1d086 ]) Failed to create snapshot
      com.cloud.utils.exception.CloudRuntimeException: com.cloud.utils.exception.CloudRuntimeException: DB Exception on: com.mysql.jdbc.JDBC4PreparedStatement@79fd21d8: SELECT snapshot_store_ref.id, snapshot_store_ref.store_id, snapshot_store_ref.store_role, snapshot_store_ref.snapshot_id, snapshot_store_ref.created, snapshot_store_ref.last_updated, snapshot_store_ref.size, snapshot_store_ref.physical_size, snapshot_store_ref.parent_snapshot_id, snapshot_store_ref.job_id, snapshot_store_ref.install_path, snapshot_store_ref.update_count, snapshot_store_ref.updated, snapshot_store_ref.state, snapshot_store_ref.ref_cnt, snapshot_store_ref.volume_id FROM snapshot_store_ref WHERE snapshot_store_ref.snapshot_id = 1 AND snapshot_store_ref.store_id = 1 AND snapshot_store_ref.store_role = 'Image' ORDER BY RAND() LIMIT 1
      at org.apache.cloudstack.storage.snapshot.SnapshotServiceImpl.backupSnapshot(SnapshotServiceImpl.java:280)
      at org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy.backupSnapshot(XenserverSnapshotStrategy.java:138)
      at org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy.takeSnapshot(XenserverSnapshotStrategy.java:264)
      at com.cloud.storage.snapshot.SnapshotManagerImpl.takeSnapshot(SnapshotManagerImpl.java:1013)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at org.apache.cloudstack.storage.volume.VolumeServiceImpl.takeSnapshot(VolumeServiceImpl.java:1307)
      at com.cloud.storage.VolumeManagerImpl.takeSnapshot(VolumeManagerImpl.java:2719)
      at org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd.execute(CreateSnapshotCmd.java:170)
      at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:158)
      at com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:531)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
      at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
      at java.util.concurrent.FutureTask.run(FutureTask.java:166)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      at java.lang.Thread.run(Thread.java:679)
      2013-10-15 21:45:59,420 WARN [db.Transaction.Transaction] (Job-Executor-2:job-40 = [ 81b303ad-acb2-483f-9571-d09064d1d086 ]) Unable to set auto commit:
      com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

      The last packet successfully received from the server was 42,754 milliseconds ago. The last packet sent successfully to the server was 4 milliseconds ago.
      at sun.reflect.GeneratedConstructorAccessor174.newInstance(Unknown Source)
      at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
      at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
      at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
      at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117)
      at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3829)
      at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2449)
      at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2629)
      at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2713)
      at com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:5060)
      at org.apache.commons.dbcp.DelegatingConnection.setAutoCommit(DelegatingConnection.java:371)
      at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.setAutoCommit(PoolingDataSource.java:328)
      at com.cloud.utils.db.Transaction.start(Transaction.java:420)
      at com.cloud.resourcelimit.ResourceLimitManagerImpl.updateResourceCountForAccount(ResourceLimitManagerImpl.java:722)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at com.cloud.resourcelimit.ResourceLimitManagerImpl.decrementResourceCount(ResourceLimitManagerImpl.java:253)
      at com.cloud.storage.snapshot.SnapshotManagerImpl.takeSnapshot(SnapshotManagerImpl.java:1034)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at org.apache.cloudstack.storage.volume.VolumeServiceImpl.takeSnapshot(VolumeServiceImpl.java:1307)
      at com.cloud.storage.VolumeManagerImpl.takeSnapshot(VolumeManagerImpl.java:2719)
      at org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd.execute(CreateSnapshotCmd.java:170)
      at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:158)
      at com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:531)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
      at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
      at java.util.concurrent.FutureTask.run(FutureTask.java:166)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      at java.lang.Thread.run(Thread.java:679)
      Caused by: java.net.SocketException: Broken pipe
      at java.net.SocketOutputStream.socketWrite0(Native Method)
      ... 36 more
      2013-10-15 21:45:59,422 ERROR [cloud.resourcelimit.ResourceLimitManagerImpl] (Job-Executor-2:job-40 = [ 81b303ad-acb2-483f-9571-d09064d1d086 ]) Failed to update resource count for account id=4
      2013-10-15 21:45:59,422 DEBUG [db.Transaction.Transaction] (Job-Executor-2:job-40 = [ 81b303ad-acb2-483f-9571-d09064d1d086 ]) Rolling back the transaction: Time = 2 Name = -AsyncJobManagerImpl$1.run:494-Executors$RunnableAdapter.call:471-FutureTask$Sync.innerRun:334-FutureTask.run:166-ThreadPoolExecutor.runWorker:1146-ThreadPoolExecutor$Worker.run:615-Thread.run:679; called by -Transaction.rollback:898-Transaction.removeUpTo:841-Transaction.close:665-TransactionContextBuilder.interceptComplete:56-ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept:131-ResourceLimitManagerImpl.decrementResourceCount:253-SnapshotManagerImpl.takeSnapshot:1034-ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept:125-VolumeServiceImpl.takeSnapshot:1307-VolumeManagerImpl.takeSnapshot:2719-CreateSnapshotCmd.execute:170-ApiDispatcher.dispatch:158
      2013-10-15 21:45:59,423 WARN [db.Transaction.Transaction] (Job-Executor-2:job-40 = [ 81b303ad-acb2-483f-9571-d09064d1d086 ]) Unable to rollback
      com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Communications link failure during rollback(). Transaction resolution unknown.
      at sun.reflect.GeneratedConstructorAccessor188.newInstance(Unknown Source)
      at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
      at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
      at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
      at com.mysql.jdbc.Util.getInstance(Util.java:386)
      at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1014)
      at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:988)
      at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:974)
      at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:919)
      at com.mysql.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:4793)
      at org.apache.commons.dbcp.DelegatingConnection.rollback(DelegatingConnection.java:368)
      at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.rollback(PoolingDataSource.java:323)
      at com.cloud.utils.db.Transaction.rollbackTransaction(Transaction.java:860)
      at com.cloud.utils.db.Transaction.rollback(Transaction.java:898)
      at com.cloud.utils.db.Transaction.removeUpTo(Transaction.java:841)
      at com.cloud.utils.db.Transaction.close(Transaction.java:665)
      at com.cloud.utils.db.TransactionContextBuilder.interceptComplete(TransactionContextBuilder.java:56)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:131)
      at com.cloud.resourcelimit.ResourceLimitManagerImpl.decrementResourceCount(ResourceLimitManagerImpl.java:253)
      at com.cloud.storage.snapshot.SnapshotManagerImpl.takeSnapshot(SnapshotManagerImpl.java:1034)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at org.apache.cloudstack.storage.volume.VolumeServiceImpl.takeSnapshot(VolumeServiceImpl.java:1307)
      at com.cloud.storage.VolumeManagerImpl.takeSnapshot(VolumeManagerImpl.java:2719)
      at org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd.execute(CreateSnapshotCmd.java:170)
      at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:158)
      at com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:531)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
      at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
      at java.util.concurrent.FutureTask.run(FutureTask.java:166)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      at java.lang.Thread.run(Thread.java:679)
      2013-10-15 21:45:59,424 WARN [apache.cloudstack.alerts] (Job-Executor-2:job-40 = [ 81b303ad-acb2-483f-9571-d09064d1d086 ]) alertType:: 22 // dataCenterId:: 0 // podId:: 0 // clusterId:: null // message:: Failed to decrement resource count of type secondary_storage for account id=4
      2013-10-15 21:45:59,427 ERROR [cloud.alert.AlertManagerImpl] (Job-Executor-2:job-40 = [ 81b303ad-acb2-483f-9571-d09064d1d086 ]) Problem sending email alert
      com.cloud.utils.exception.CloudRuntimeException: DB Exception on: com.mysql.jdbc.JDBC4PreparedStatement@18608772: SELECT alert.id, alert.type, alert.cluster_id, alert.pod_id, alert.data_center_id, alert.subject, alert.sent_count, alert.created, alert.last_sent, alert.resolved, alert.uuid, alert.archived FROM alert WHERE alert.type = 22 AND alert.data_center_id = 0 AND alert.archived = 0 AND alert.pod_id = 0 ORDER BY alert.created DESC LIMIT 0, 1
      at com.cloud.utils.db.GenericDaoBase.searchIncludingRemoved(GenericDaoBase.java:414)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at com.cloud.utils.db.GenericDaoBase.searchIncludingRemoved(GenericDaoBase.java:349)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at com.cloud.utils.db.GenericDaoBase.listIncludingRemovedBy(GenericDaoBase.java:901)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at com.cloud.utils.db.GenericDaoBase.listBy(GenericDaoBase.java:878)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at com.cloud.alert.dao.AlertDaoImpl.getLastAlert(AlertDaoImpl.java:66)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at com.cloud.alert.AlertManagerImpl$EmailAlert.sendAlert(AlertManagerImpl.java:833)
      at com.cloud.alert.AlertManagerImpl.sendAlert(AlertManagerImpl.java:261)
      at com.cloud.resourcelimit.ResourceLimitManagerImpl.decrementResourceCount(ResourceLimitManagerImpl.java:254)
      at com.cloud.storage.snapshot.SnapshotManagerImpl.takeSnapshot(SnapshotManagerImpl.java:1034)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at org.apache.cloudstack.storage.volume.VolumeServiceImpl.takeSnapshot(VolumeServiceImpl.java:1307)
      at com.cloud.storage.VolumeManagerImpl.takeSnapshot(VolumeManagerImpl.java:2719)
      at org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd.execute(CreateSnapshotCmd.java:170)
      at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:158)
      at com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:531)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
      at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
      at java.util.concurrent.FutureTask.run(FutureTask.java:166)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      at java.lang.Thread.run(Thread.java:679)
      Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

      The last packet successfully received from the server was 42,760 milliseconds ago. The last packet sent successfully to the server was 10 milliseconds ago.
      at sun.reflect.GeneratedConstructorAccessor174.newInstance(Unknown Source)
      at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
      at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
      at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
      at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117)
      at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3829)
      at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2449)
      at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2629)
      at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2719)
      at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155)
      at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2318)
      at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
      at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
      at com.cloud.utils.db.GenericDaoBase.searchIncludingRemoved(GenericDaoBase.java:408)
      ... 49 more
      Caused by: java.net.SocketException: Broken pipe
      at java.net.SocketOutputStream.socketWrite0(Native Method)
      ... 62 more
      2013-10-15 21:45:59,430 DEBUG [storage.volume.VolumeServiceImpl] (Job-Executor-2:job-40 = [ 81b303ad-acb2-483f-9571-d09064d1d086 ]) Take snapshot: 5 failed
      com.cloud.utils.exception.CloudRuntimeException: Failed to create snapshot
      at com.cloud.storage.snapshot.SnapshotManagerImpl.takeSnapshot(SnapshotManagerImpl.java:1040)
      at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
      at org.apache.cloudstack.storage.volume.VolumeServiceImpl.takeSnapshot(VolumeServiceImpl.java:1307)
      at com.cloud.storage.VolumeManagerImpl.takeSnapshot(VolumeManagerImpl.java:2719)
      at org.apache.cloudstack.api.command.user.snapshot.CreateSnapshotCmd.execute(CreateSnapshotCmd.java:170)
      at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:158)
      at com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:531)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
      at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
      at java.util.concurrent.FutureTask.run(FutureTask.java:166)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      at java.lang.Thread.run(Thread.java:679)
      Caused by: com.cloud.utils.exception.CloudRuntimeException: com.cloud.utils.exception.CloudRuntimeException: DB Exception on: com.mysql.jdbc.JDBC4PreparedStatement@79fd21d8: SELECT snapshot_store_ref.id, snapshot_store_ref.store_id, snapshot_store_ref.store_role, snapshot_store_ref.snapshot_id, snapshot_store_ref.created, snapshot_store_ref.last_updated, snapshot_store_ref.size, snapshot_store_ref.physical_size, snapshot_store_ref.parent_snapshot_id, snapshot_store_ref.job_id, snapshot_store_ref.install_path, snapshot_store_ref.update_count, snapshot_store_ref.updated, snapshot_store_ref.state, snapshot_store_ref.ref_cnt, snapshot_store_ref.volume_id FROM snapshot_store_ref WHERE snapshot_store_ref.snapshot_id = 1 AND snapshot_store_ref.store_id = 1 AND snapshot_store_ref.store_role = 'Image' ORDER BY RAND() LIMIT 1
      at org.apache.cloudstack.storage.snapshot.SnapshotServiceImpl.backupSnapshot(SnapshotServiceImpl.java:280)
      at org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy.backupSnapshot(XenserverSnapshotStrategy.java:138)
      at org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy.takeSnapshot(XenserverSnapshotStrategy.java:264)
      at com.cloud.storage.snapshot.SnapshotManagerImpl.takeSnapshot(SnapshotManagerImpl.java:1013)
      ... 16 more
      2013-10-15 21:45:59,437 DEBUG [cloud.async.AsyncJobManagerImpl] (Job-Executor-2:job-40 = [ 81b303ad-acb2-483f-9571-d09064d1d086 ]) Complete async job-40 = [ 81b303ad-acb2-483f-9571-d09064d1d086 ], jobStatus: 2, resultCode: 530, result: Error Code: 530 Error text: Failed to create snapshot due to an internal error creating snapshot for volume 5

      SQL Content :

      mysql> SELECT snapshot_store_ref.id, snapshot_store_ref.store_id, snapshot_store_ref.store_role, snapshot_store_ref.snapshot_id, snapshot_store_ref.created, snapshot_store_ref.last_updated, snapshot_store_ref.size, snapshot_store_ref.physical_size, snapshot_store_ref.parent_snapshot_id, snapshot_store_ref.job_id, snapshot_store_ref.install_path, snapshot_store_ref.update_count, snapshot_store_ref.updated, snapshot_store_ref.state, snapshot_store_ref.ref_cnt, snapshot_store_ref.volume_id FROM snapshot_store_ref WHERE snapshot_store_ref.snapshot_id = 1 AND snapshot_store_ref.store_id = 1 AND snapshot_store_ref.store_role = 'Image' ORDER BY RAND() LIMIT 1\G

                                                          • 1. row ***************************
                                                            id: 2
                                                            store_id: 1
                                                            store_role: Image
                                                            snapshot_id: 1
                                                            created: 2013-10-16 04:45:16
                                                            last_updated: NULL
                                                            size: 0
                                                            physical_size: 0
                                                            parent_snapshot_id: 0
                                                            job_id: NULL
                                                            install_path: snapshots/4/5
                                                            update_count: 1
                                                            updated: 2013-10-16 04:45:16
                                                            state: Creating
                                                            ref_cnt: 0
                                                            volume_id: 5

      mysql> SELECT alert.id, alert.type, alert.cluster_id, alert.pod_id, alert.data_center_id, alert.subject, alert.sent_count, alert.created, alert.last_sent, alert.resolved, alert.uuid, alert.archived FROM alert WHERE alert.type = 22 AND alert.data_center_id = 0 AND alert.archived = 0 AND alert.pod_id = 0 ORDER BY alert.created DESC LIMIT 0, 1\G
      Empty set (0.00 sec)

      Actually I can see a qcow2 snapshot file has been created. Not sure why command fails

      qemu-img info d1595fc0-8220-4d4f-99b9-d02759262bce
      image: d1595fc0-8220-4d4f-99b9-d02759262bce
      file format: qcow2
      virtual size: 2.0G (2097152000 bytes)
      disk size: 122M
      cluster_size: 65536
      backing file: /mnt/46ae9df0-3e29-3535-9acc-506dafa3f52c/d07390a2-edf9-4c6c-839c-2e03a4d3cd5c

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          Bug - A problem which impairs or prevents the functions of the product. CLOUDSTACK-8558 KVM snapshots are failing at Ubuntu 14.04 LTS

          • Critical - Crashes, loss of data, severe memory leak.
          • Open

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              Unassigned Unassigned
              bjoernt Bjoern Teipel
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