SMCoreServiceHost.exe由于访问违规而崩溃

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此知识库应保留在内部，因为此问题仍在调查中，目前尚无解决方案。

适用场景

SnapCenter 4.1P2

问题描述

SMCoreServiceHost.exe 由于访问违规、在执行以下堆栈跟踪时崩溃。

示例：

Log Name: Application Source: .NET Runtime Date: 5/20/2020 1:33:31 AM Event ID: 1026 Task Category: None Level: Error Keywords: Classic User: N/A Computer: HOSTNAME Description: Application: SMCoreServiceHost.exe Framework Version: v4.0.30319 Description: The process was terminated due to an unhandled exception. Exception Info: System.AccessViolationException Stack: at System.Runtime.InteropServices.Marshal.PtrToStructureHelper(IntPtr, System.Object, Boolean) at System.Runtime.InteropServices.Marshal.PtrToStructure(IntPtr, System.Object) at SnapDrive.HostUtilities.Scsi.ScsiService.sendSCSI(System.String, Int32 ByRef, SnapDrive.HostUtilities.Scsi.ScsiPassThroughWithBuffers ByRef, System.TimeSpan ByRef) at SnapDrive.HostUtilities.Scsi.ScsiService.IsNetAppLun(System.String) at SnapDrive.HostUtilities.Vds.VdsDisk.get_IsNetAppDisk() at SnapDrive.HostUtilities.DiskDiscovery.DiskService.GetDiskResource(SnapDrive.HostUtilities.Vds.VdsDisk) at SnapDrive.HostUtilities.DiskDiscovery.DiskService.GetDiskResources(System.Collections.Generic.IEnumerable`1<SnapDrive.HostUtilities.Vds.VdsDisk>) at SnapDrive.HostUtilities.DiskDiscovery.DiskService.GetAllDiskInfo() at SnapDrive.Nsf.Core.Discovery.VdsToStorageResolver.GetResourceObjectGraphs(System.String, System.Collections.Generic.IEnumerable`1<SMCoreContracts.SDStorageSystemId>, SMCoreContracts.StorageSystemOSType ByRef, System.Collections.Generic.Dictionary`2<SMCoreContracts.SDStorageResource,SMCoreContracts.SDStorageObjectGraph> ByRef) at SnapDrive.Nsf.Core.Discovery.StorageResolver.GetResourceObjectGraphs(System.String, System.Collections.Generic.IEnumerable`1<SMCoreContracts.SDStorageSystemId>, SMCoreContracts.StorageSystemOSType ByRef, System.Collections.Generic.Dictionary`2<SMCoreContracts.SDStorageResource,SMCoreContracts.SDStorageObjectGraph> ByRef, Boolean) at SnapDrive.Nsf.Core.Discovery.HostFileSystemToStorageResolver.GetResources(System.String, System.Collections.Generic.IEnumerable`1<SMCoreContracts.SDStorageSystemId>, Boolean, Boolean, Boolean) at SnapDrive.Nsf.Core.SANReplicationStrategy.PrepareForReplication(SMCoreContracts.SDSnapmirrorUpdateRequest) at SnapDrive.Nsf.Core.ReplicationManager.SDSnapmirrorUpdate(SMCoreContracts.SDSnapmirrorUpdateRequest) at SnapDrive.Nsf.ServiceProviders.SDSnapRemoteServiceProvider.SDSnapmirrorUpdate(SMCoreContracts.SDSnapmirrorUpdateRequest) at SnapMgrCoreService.Workflows.Activities.ReplicationHelper.UpdateSnapmirror(SMCoreContracts.SDSnapmirrorUpdateRequest) at SnapMgrCoreService.Workflows.Activities.StorageReplicationHelper.SalUpdateSnapMirrorWithRetry(System.Collections.Generic.List`1<SnapMgrCoreService.Protection.SnapMirrorUpdateStatus>, SMCoreContracts.RelationShipType, Int32, Int32, SnapMgrContracts.Workflow.SmWorkflowContext) at SnapMgrCoreService.Workflows.Activities.Common.EnhancedReplicationActivity.UpdateSnapMirror(System.Collections.Generic.List`1<System.Linq.IGrouping`2<SnapMgrCoreService.Workflows.Activities.Common.SnapshotInfo,SnapMgrCoreService.Workflows.Activities.Common.SnapshotToSmObjectMapping>>, System.Collections.Generic.List`1<SMCoreContracts.SnapMirrorRelationshipStatus>, Int32, SnapMgrCoreService.Workflows.Activities.StorageReplicationHelper, SMCoreContracts.RelationShipType, SnapMgrContracts.Workflow.SmWorkflowContext) at SnapMgrCoreService.Workflows.Activities.Common.EnhancedReplicationActivity.Execute(SnapMgrContracts.Workflow.SmWorkflowContext, SMCoreContracts.SmRequest) at SnapMgrCoreService.SmJobActivity.Execute(SnapMgrContracts.Workflow.SmWorkflowContext, SMCoreContracts.SmRequest) at SnapMgrCoreService.Workflows.SmJobWorkflow.Execute(SMCoreContracts.SmRequest) at SnapMgrCoreService.BackupHandler.Execute(SMCoreContracts.SmRequest) at SnapMgrCoreService.SmJobManagerConsumer.Execute(SMCoreContracts.SmRequest) at JobManager.SmJobManager.ExecuteAndUpdateQueue(SMCoreContracts.SmRequest) at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean) at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean) at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) at System.Threading.ThreadHelper.ThreadStart()