[MS-VDS]: Virtual Disk Service (VDS) Protocol Specification

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Section 3.1.7.1: This interface is only supported in Windows Server 2003 R2, Windows Vista,Windows Server 2008, Windows 7, and Windows Server 2008 R2. If a client attempts to get theinterface on a previous version of Windows by calling IUnknown::QueryInterface, E_NOINTERFACE(0x80004002) is returned. Attempting to call these methods with opnums 5 or 6 may result in NDRraising an RPC_X_BAD_STUB_DATA exception. For more information, see [MS-DCOM]. Section 3.1.7.1: Gaps in the opnum numbering sequence apply to Windows as follows.OpnumDescription05 Only used locally by Windows, never used remotely.06 Only used locally by Windows, never used remotely. Section 3.1.8.1: This interface is only supported in Windows Server 2003 R2, Windows Vista,and Windows Server 2008, Windows 7, and Windows Server 2008 R2. If a client attempts to get theinterface on a previous version of Windows by calling IUnknown::QueryInterface, E_NOINTERFACE(0x80004002) is returned. Attempting to call methods with opnums 5, 6, or 7 may result in NDRraising an RPC_X_BAD_STUB_DATA exception. For more information, see [MS-DCOM]. Section 3.1.8.1: Gaps in the opnum numbering sequence apply to Windows as follows.OpnumDescription05 Only used locally by Windows, never used remotely.06 Only used locally by Windows, never used remotely.07 Only used locally by Windows, never used remotely. Section 3.1.11.1: Attempting to call a method with opnum 10 may result in NDR raising anRPC_X_BAD_STUB_DATA exception. For more information, see [MS-DCOM]. Section 3.1.11.1: Gaps in the opnum numbering sequence apply to Windows as follows.OpnumDescription10 Only used locally by Windows, never used remotely. Section 3.1.12.4: This method is not implemented for removable disks in WindowsServer 2003. Section 3.3.6: When the sequence shown in the following event log entry is executedrepeatedly in a program (say, 200 times) on Windows Server 2008, the client will occasionallyencounter the error "0x800706BE". This error mainly comes at AddDisk and sometimes on Wait. Inthis circumstance, the following entry is recorded in the event log on the server:"====Faultingapplication vds.exe, version 6.0.6001.18000, time stamp 0x479198cb, faulting module ntdll.dll,version 6.0.6001.18000, time stamp 0x4791adec, exception code 0xc0000005, fault offset0x000000000001f7fa, process id 0xda4, application start time 0x01c967e37ddea470.====-QueryUnallocatedDisks- CreatePack- AddDisk- Clean- Wait (for clean to complete)" Section 3.4.1.1: See the product behavior note in section 1.7, which specifies which interfacesare included in the various versions of Windows. Note that the set of VDS interfaces is accumulative;interfaces are never removed. For example, IVdsService and IVdsServiceInitialization shippedwith Windows Server 2003, and therefore are present in Windows Server 2003 R2, Windows Vista,[MS-VDS] — v20110610Virtual Disk Service (VDS) Protocol SpecificationCopyright © 2011 Microsoft Corporation.Release: Friday, June 10, 2011342 / 360
Windows Server 2008, Windows 7, and Windows Server 2008 R2. The IVdsServiceUninstallDisk,IVdsServiceHba, and IVdsServiceIscsi interfaces first shipped with Windows Server 2003 R2. Section 3.4.1.2: In Windows, only partitions on hard disks that have the following partitiontypes are considered volumes: 0x01, 0x04, 0x06, 0x07, 0x0B, 0x0C, and 0x0E. Section 3.4.5.1.7: In Windows 7, the operating system allows a disk object to be queried todetermine whether it is a virtual disk or not. Section 3.4.5.1.8: In Windows 7, the operating system allows a disk object to be queried todetermine whether it is a virtual disk or not. Section 3.4.5.2: Windows servers enforce authorization checks. For information on theauthorization requirements for the various methods, see section 2.1. In Windows, the client must bea member of the administrator or backup operators groups, or be the local_system account. Section 3.4.5.2.4.1: In Windows, the IVdsService::GetProperties method will not fail ifcalled before the service has finished initializing, but the data returned is not valid. Clientapplications wait for the service to finish initializing before making any calls against the service,other than IVdsService::IsServiceReady or IVdsService::WaitForServiceReady. Section 3.4.5.2.4.8: A code flaw in Windows Server 2003, Windows Server 2003 R2,Windows Vista, and Windows Server 2008 results in: (1) The first entry's wszName field beingoverwritten with "UDF". The first entry's wszName field should contain "FAT". (2) The string ofillegal label characters for the second entry (the FAT32 entry), pwszIllegalLabelCharSet, is notset and contains an invalid string. (3) The fifth entry's wszName field is left unset. It should contain"UDF", but instead contains invalid characters.A code flaw in Windows Server 2003, Windows Server 2003 R2, Windows Vista, WindowsServer 2008, Windows 7, and Windows Server 2008 R2 results in: (4) The third entry'sulCompressionFlags field is incorrectly set to 0x000F0000 (the NTFS entry). Section 3.4.5.2.4.14: In Windows Vista, Windows Server 2008, Windows 7, and WindowsServer 2008 R2, this method only succeeds if the client allows the server to impersonate the client'ssecurity context. The client does so by changing its impersonation level toRPC_C_IMP_LEVEL_IMPERSONATE. For more information on the meaning of theRPC_C_IMP_LEVEL_IMPERSONATE flag, see [C706] and [MS-RPCE]. Section 3.4.5.2.8.3: The Windows implementation of this method always returnsVDS_E_TARGET_SPECIFIC_NOT_SUPPORTED (0x80042706) if a target ID is specified. Section 3.4.5.2.10.2: This method returns VDS_E_NOT_SUPPORTED.Windows Server 2003 R2 returns the S_OK status whether or not storage is connected to the endsof the paths. Section 3.4.5.2.16.2: Windows uses a string in the Security Descriptor Definition Language(SDDL) format. Section 3.4.5.2.16.2: For the Microsoft virtual hard disk provider, this parameter must bezero. Section 3.4.5.2.16.2: Windows 7 ignores this value. Section 3.4.5.2.18.5: Windows supports at most 32 disks in a volume. Windows servers failrequests that specify more than 32 disks, and Windows clients never submit such requests.[MS-VDS] — v20110610Virtual Disk Service (VDS) Protocol SpecificationCopyright © 2011 Microsoft Corporation.Release: Friday, June 10, 2011343 / 360
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Revision SummaryDateRevisionHistory
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Contents1 Introduction ............
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2.2.2.6.1 Enumerations ............
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3.1.12.2 IVdsDisk2 Interface ......
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3.4.5.2.6.2 IVdsServiceUninstallDis
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3.4.5.2.32.3 IVdsVolumeMF::AddAcces
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1 IntroductionThe Virtual Disk Serv
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volume managervolume plexThe follow
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virtual disk: A disk that does not
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Note There is a charge to download
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1.4 Relationship to Other Protocols
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Parameter Value ReferenceRPC interf
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2 MessagesThe following sections sp
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VDS_H_FAILING_REDUNDANCY: One or mo
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VDS_ASYNCOUT_CREATEPARTITION: Infor
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VDSStorageIdTypeVendorSpecific = 0x
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VDS_FSF_ALLOCATION_UNIT_8K = 0x0010
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VDS_DET_OEM: The extent belongs to
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VDS_ESOF_QUICK: Determines whether
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2.2.1.2.21 VDS_LUN_RESERVE_MODEThe
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VDS_VF_NOT_FORMATTABLE: If set, the
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ValueVDS_NF_DISK_ARRIVE0x00000008VD
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wcLetter: The drive letter that tri
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2.2.1.3.10 VDS_ASYNC_OUTPUTThe VDS_
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Value0x4000000000000000GPT_BASIC_DA
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m_bCommandQueueing: A Boolean value
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diskId: The VDS object ID of the di
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MbrPartInfo: Contains information f
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VDS_OT_DISK: The object is a disk.V
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typedef struct _VDS_DRIVE_LETTER_PR
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pSharedSecret: A pointer to an arra
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Corresponding HBA_PORTSTATE value:
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wwnNode: The node WWN for the HBA p
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2.2.2.6.2.2 VDS_ISCSI_INITIATOR_POR
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unsigned long ulFlags;unsigned long
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2.2.2.9.1 Structures2.2.2.9.1.1 VDS
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pwszAdaptorName: The null-terminate
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ValueRemovableMedia0x0000000BFixedM
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style: The value from the VDS_PARTI
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ulFlags: The combination of any val
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VDS_VPT_SPAN = 0x0000000B,VDS_VPT_S
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allocated as the backing store for
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VDS_VST_DETACH_PENDING: The virtual
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} DEPENDENT_DISK_FLAG;DEPENDENT_DIS
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VirtualDeviceType: A pointer to a V
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additional information about the re
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Return value/code0x80042423VDS_E_PR
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Return value/codeDescriptionVDS_E_P
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Return value/codeDescriptionwhen th
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Return value/code0x8004251BVDS_E_VO
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Return value/codeVDS_E_DISK_LAYOUT_
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Return value/code0x80042566VDS_E_IN
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Return value/code0x80042588VDS_E_VO
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Return value/codeVDS_E_ASSOCIATED_P
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Return value/code0x80042815VDS_E_VO
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Return value/code0x8004290AVDS_E_IS
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Return value/code0x80042924VDS_E_RA
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3 Protocol DetailsThe following sec
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ParameterRPC interface UUID forIVds
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Objects can be HBA ports, initiator
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3.1.5 Service Object InterfacesThis
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Methods in RPC Opnum OrderMethodGet
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Methods in RPC Opnum OrderMethodGet
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MethodGetPropertiesDescriptionRetri
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MethodDescriptionOpnum: 3SetImportT
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MethodQueryExtentsConvertStyleSetFl
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All methods MUST NOT throw exceptio
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All methods MUST NOT throw exceptio
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MethodDescriptionOpnum: 3FormatAddA
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3.1.13.7 IVdsVolumeOnline Interface
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MethodDescriptionOpnum: 6MergeExpan
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Virtual Disk Providers and Virtual
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For a VDS_DISK_EXTENT or VDS_DISK_F
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3.2.1.4 DisksIVdsAdvancedDisk::GetP
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pointer to the virtual disk object
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3.3.2 TimersNone.3.3.3 Initializati
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3.4.1.1 Service ObjectThe service o
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•If the disk is a removable drive
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When the client calls a method to r
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•If the signal state is TRUE and
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3.4.5.1.3 Adding Disk ObjectsThe se
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3.4.5.1.4 Removing Disk ObjectsThe
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whether a basic, dynamic, or unallo
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If S_FALSE is returned, the client
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•Set the list of objects in the n
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•Set the pHrResult output paramet
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When the server receives this messa
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wcFirstLetter: The first drive lett
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Result of requeryAction server MUST
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ulFlags: A value from the VDS_SERVI
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pDiskIdArray: A pointer to an array
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3.4.5.2.8.2 IVdsServiceIscsi::Query
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HRESULT GetProperties([out] VDS_HBA
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Return Values: The method MUST retu
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VirtualDeviceType: Pointer to a VIR
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HRESULT GetDiskFromVDisk([in] IVdsV
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3.4.5.2.18 IVdsPack Methods3.4.5.2.
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3.4.5.2.18.5 IVdsPack::CreateVolume
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The server MUST update the percenta
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•Return an HRESULT indicating fai
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•objectType member is the value V
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[out] IVdsPack** ppPack);ppPack: A
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Clients cannot change the partition
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ERROR_SUCCESS (0x00000000)When the
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HRESULT QueryPartitions([out, size_
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•For each callback object that is
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3.4.5.2.23.7 IVdsAdvancedDisk::Dele
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Note This method is not valid on CD
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•objectType member is VDS_NTT_VOL
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•ullOffset is the byte offset at
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eginning of the disk that ullOffset
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usFileSystemRevision: A 16-bit, bin
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HRESULT FormatPartitionEx2([in] ULO
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•Set the signal state in the asyn
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•Create a new async object implem
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If the volume resides on a basic di
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•Delete all volume plexes in the
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•For each callback object registe
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If the volume is associated with a
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The server MUST then perform the fo
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•Verify that plNumberOfAccessPath
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HRESULT Mount();This method has no
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HRESULT GetFileSystemTypeName([out,
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•Return an HRESULT indicating fai
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•Allocate a buffer to hold the vo
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•Verify that ullDesiredNumberOfRe
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•Verify that ppVolume is not NULL
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•Search all software providers fo
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ProviderSpecificFlags: Flags specif
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For example, to merge a differencin
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At any point in the preceding seque
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•objectType member is VDS_NTT_FIL
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•Volume member is a VDS_VOLUME_NO
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Figure 2: Client starting a VDS ses
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4.1.2 Ending SessionsThe following
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2. The server determines that the c
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Figure 8: Retrieving the properties
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8. When the format operation comple
Page 292 and 293: wprintf( L" Volume Id: %s\n", buffe
Page 294 and 295: 6 Appendix A: Full IDLFor ease of i
Page 296 and 297: VDSBusTypeiScsi = 0x00000009,VDSBus
Page 298 and 299: } VDS_VOLUME_TYPE;typedef enum _VDS
Page 300 and 301: VDS_OBJECT_IDULONGLONG} VDS_PARTITI
Page 302 and 303: typedef struct _VDS_STORAGE_DEVICE_
Page 304 and 305: } GptPartInfo;[default];};} CREATE_
Page 306 and 307: VDS_PS_UNKNOWN = 0x00000000,VDS_PS_
Page 308 and 309: typedef struct _VDS_FILE_SYSTEM_TYP
Page 310 and 311: typedef struct _VDS_PACK_PROP{VDS_O
Page 312 and 313: OPEN_VIRTUAL_DISK_FLAG_NO_PARENTS =
Page 314 and 315: );[out] unsigned long *pcFetched[he
Page 316 and 317: HRESULT QueryFileSystemTypes([out,
Page 318 and 319: *pInitiatorSharedSecret,[in] VDS_OB
Page 320 and 321: }[]HRESULT CreatePack([out] IVdsPac
Page 322 and 323: HRESULT CreateVolume([in] VDS_VOLUM
Page 324 and 325: [object,uuid(8F4B2F5D-EC15-4357-992
Page 326 and 327: uuid(9882f547-cfc3-420b-9750-00dfbe
Page 328 and 329: );[helpstring("method QueryPlexes")
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Page 332 and 333: [object,uuid(4daa0135-e1d1-40f1-aaa
Page 334 and 335: 7 Appendix B: Product BehaviorThe i
Page 336 and 337: Supported operating system versionI
Page 338 and 339: •Dynamic disk volumes - The flag
Page 340 and 341: overwritten with "UDF". The first e
Page 344 and 345: Section 3.4.5.2.18.5: The Windows i
Page 346 and 347: On Windows Server 2003, Windows Ser
Page 348 and 349: incorrectly returns 0 in the pulPer
Page 350 and 351: Section 3.4.5.2.38.3: Windows does
Page 352 and 353: •Protocol syntax updated due to p
Page 354 and 355: IVdsVolumeMF (section 2.2.2.15 81,
Page 356 and 357: enumerations 70interface 130methods
Page 358 and 359: PVDS_REPARSE_POINT_PROP 81PVDS_VDIS
Page 360: VDS_SERVICE_NOTIFICATION structure
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