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

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virtual disk: A disk that does not have a physical mechanical counterpart to it, and is notexposed as a hardware array LUN. It is a disk that uses a file to store its data. When this fileis exposed to the operating system as a disk device, the exposed disk device emulates and,for all intents and purposes, behaves like a physical disk.virtual disk file: The file that is the backing store for a virtual disk. This file may be exposedto an operating system as a disk device. The exposed disk device is referred to as a virtualdisk.virtual disk provider: A VDS object that allows query and management of virtual disks on asystem.Virtual Disk Service (VDS): If the term is used as a noun, VDS refers to the servicecomponent that runs on the server. If VDS is used as an adjective, it refers to the protocolthat is specified in this document (which the service uses to communicate with clients).virtual hard disk: Same as a virtual disk.VDS object: An instance of a class that exposes one or more DCOM interfaces to query orconfigure the VDS service, the operating system device (such as a disk or volume), or theconcept (such as a software provider) that the object represents. Each object has anassociated type that indicates the type of device or concept that it represents. Unlessotherwise indicated, the term "object" refers to a VDS object.volume plex member: A RAID construct for organizing disks and volumes. Also called aRAID column.Windows Event log: An audit trail created by Windows instrumentation manifest to monitor thehealth of the operating system and to help troubleshoot issues when they arise. The eventlogs can be browsed and managed by Windows Event Viewer.Windows Preinstallation Environment (Windows PE): A minimal Windows systemenvironment that provides limited services based on the Windows XP, Windows Server 2003,or Windows Vista kernels. It provides the minimum set of features that are required to run theoperating system setup, perform system recovery, access and install operating systems fromthe network, script basic repetitive tasks, and validate hardware.MAY, SHOULD, MUST, SHOULD NOT, MUST NOT: These terms (in all caps) are used asdescribed in [RFC2119]. All statements of optional behavior use either MAY, SHOULD, orSHOULD NOT.1.2 ReferencesReferences to Microsoft Open Specification documents do not include a publishing year because linksare to the latest version of the documents, which are updated frequently. References to otherdocuments include a publishing year when one is available.1.2.1 Normative ReferencesWe conduct frequent surveys of the normative references to assure their continued availability. Ifyou have any issue with finding a normative reference, please contact dochelp@microsoft.com. Wewill assist you in finding the relevant information. Please check the archive site,http://msdn2.microsoft.com/en-us/library/E4BD6494-06AD-4aed-9823-445E921C9624, as anadditional source.[MS-VDS] — v20110610Virtual Disk Service (VDS) Protocol SpecificationCopyright © 2011 Microsoft Corporation.Release: Friday, June 10, 201118 / 360
[C706] The Open Group, "DCE 1.1: Remote Procedure Call", C706, August 1997,http://www.opengroup.org/public/pubs/catalog/c706.htm[EUI64] IEEE Standards Association, "Guidelines for 64-bit Global Identifier (EUI-64) RegistrationAuthority", http://standards.ieee.org/regauth/oui/tutorials/EUI64.html[HBAAPI] Storage Networking Industry Association, "Common HBA API", T11 Document 02-149v0,March 2002, ftp://ftp.t11.org/t11/docs/02-149v0.pdf[IEC60908] International Electrotechnical Commission, "Audio Recording - Compact Disc DigitalAudio System", IEC 60908 Ed. 2.0, 1999.If you have any trouble finding [IEC60908], please check here.[MS-CHAP] Microsoft Corporation, "Extensible Authentication Protocol Method for MicrosoftChallenge Handshake Authentication Protocol (CHAP) Specification".[MS-DCOM] Microsoft Corporation, "Distributed Component Object Model (DCOM) Remote ProtocolSpecification".[MS-DMRP] Microsoft Corporation, "Disk Management Remote Protocol Specification".[MS-DTYP] Microsoft Corporation, "Windows Data Types".[MS-ERREF] Microsoft Corporation, "Windows Error Codes".[MS-RPCE] Microsoft Corporation, "Remote Procedure Call Protocol Extensions".[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC2119, March 1997, http://www.rfc-editor.org/rfc/rfc2119.txt[RFC3720] Satran, J., Meth, K., Sapuntzakis, C., et al., "Internet Small Computer Systems Interface(iSCSI)", RFC 3720, April 2004, http://www.ietf.org/rfc/rfc3720.txt[SPC-3] International Committee on Information Technology Standards, "SCSI Primary Commands -3 (SPC-3)", Project T10/1416-D, May 2005, http://www.t10.org/cgi-bin/ac.pl?t=f&f=/spc3r23.pdf1.2.2 Informative References[ANSI-131-1994] American National Standards Institute, "Information Systems - Small ComputerSystems Interface-2 (SCSI-2)", ANSI INCITS 131-1994 (R1999),http://webstore.ansi.org/RecordDetail.aspx?sku=ANSI+INCITS+131-1994+(R1999)Note There is a charge to download the specification.[ANSI-289-1996] American National Standards Institute, "Fibre Channel - Fabric GenericRequirements (FC-FG)", ANSI INCITS 289-1996 (R2001), 2001,http://webstore.ansi.org/RecordDetail.aspx?sku=ANSI+INCITS+289-1996+(R2001)Note There is a charge to download the specification.[ANSI/INCITS-397-2005] ANSI, "AT Attachment with Packet Interface - 7", (ATA/ATAPI-7) Volumes1-3, http://webstore.ansi.org/RecordDetail.aspx?sku=ANSI+INCITS+397-2005+PackageNote There is a charge to download the specification.[ANSI/INCITS-451-2008] ANSI, "AT Attachment-8 - ATA/ATAPI Architecture Model (ATA8-AAM)",http://webstore.ansi.org/RecordDetail.aspx?sku=INCITS+451-2008[MS-VDS] — v20110610Virtual Disk Service (VDS) Protocol SpecificationCopyright © 2011 Microsoft Corporation.Release: Friday, June 10, 201119 / 360
Page 2 and 3: Revision SummaryDateRevisionHistory
Page 4 and 5: Contents1 Introduction ............
Page 6 and 7: 2.2.2.6.1 Enumerations ............
Page 8 and 9: 3.1.12.2 IVdsDisk2 Interface ......
Page 10 and 11: 3.4.5.2.6.2 IVdsServiceUninstallDis
Page 12 and 13: 3.4.5.2.32.3 IVdsVolumeMF::AddAcces
Page 14 and 15: 1 IntroductionThe Virtual Disk Serv
Page 16 and 17: volume managervolume plexThe follow
Page 20 and 21: Note There is a charge to download
Page 22 and 23: 1.4 Relationship to Other Protocols
Page 24 and 25: Parameter Value ReferenceRPC interf
Page 26 and 27: 2 MessagesThe following sections sp
Page 28 and 29: VDS_H_FAILING_REDUNDANCY: One or mo
Page 30 and 31: VDS_ASYNCOUT_CREATEPARTITION: Infor
Page 32 and 33: VDSStorageIdTypeVendorSpecific = 0x
Page 34 and 35: VDS_FSF_ALLOCATION_UNIT_8K = 0x0010
Page 36 and 37: VDS_DET_OEM: The extent belongs to
Page 38 and 39: VDS_ESOF_QUICK: Determines whether
Page 40 and 41: 2.2.1.2.21 VDS_LUN_RESERVE_MODEThe
Page 42 and 43: VDS_VF_NOT_FORMATTABLE: If set, the
Page 44 and 45: ValueVDS_NF_DISK_ARRIVE0x00000008VD
Page 46 and 47: wcLetter: The drive letter that tri
Page 48 and 49: 2.2.1.3.10 VDS_ASYNC_OUTPUTThe VDS_
Page 50 and 51: Value0x4000000000000000GPT_BASIC_DA
Page 52 and 53: m_bCommandQueueing: A Boolean value
Page 54 and 55: diskId: The VDS object ID of the di
Page 56 and 57: MbrPartInfo: Contains information f
Page 58 and 59: VDS_OT_DISK: The object is a disk.V
Page 60 and 61: typedef struct _VDS_DRIVE_LETTER_PR
Page 62 and 63: pSharedSecret: A pointer to an arra
Page 64 and 65: Corresponding HBA_PORTSTATE value:
Page 66 and 67: wwnNode: The node WWN for the HBA p
Page 68 and 69:
2.2.2.6.2.2 VDS_ISCSI_INITIATOR_POR
Page 70 and 71:
unsigned long ulFlags;unsigned long
Page 72 and 73:
2.2.2.9.1 Structures2.2.2.9.1.1 VDS
Page 74 and 75:
pwszAdaptorName: The null-terminate
Page 76 and 77:
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
Page 86 and 87:
VDS_VST_DETACH_PENDING: The virtual
Page 88 and 89:
} DEPENDENT_DISK_FLAG;DEPENDENT_DIS
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VirtualDeviceType: A pointer to a V
Page 92 and 93:
additional information about the re
Page 94 and 95:
Return value/code0x80042423VDS_E_PR
Page 96 and 97:
Return value/codeDescriptionVDS_E_P
Page 98 and 99:
Return value/codeDescriptionwhen th
Page 100 and 101:
Return value/code0x8004251BVDS_E_VO
Page 102 and 103:
Return value/codeVDS_E_DISK_LAYOUT_
Page 104 and 105:
Return value/code0x80042566VDS_E_IN
Page 106 and 107:
Return value/code0x80042588VDS_E_VO
Page 108 and 109:
Return value/codeVDS_E_ASSOCIATED_P
Page 110 and 111:
Return value/code0x80042815VDS_E_VO
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Return value/code0x8004290AVDS_E_IS
Page 114 and 115:
Return value/code0x80042924VDS_E_RA
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3 Protocol DetailsThe following sec
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ParameterRPC interface UUID forIVds
Page 120 and 121:
Objects can be HBA ports, initiator
Page 122 and 123:
3.1.5 Service Object InterfacesThis
Page 124 and 125:
Methods in RPC Opnum OrderMethodGet
Page 126 and 127:
Methods in RPC Opnum OrderMethodGet
Page 128 and 129:
MethodGetPropertiesDescriptionRetri
Page 130 and 131:
MethodDescriptionOpnum: 3SetImportT
Page 132 and 133:
MethodQueryExtentsConvertStyleSetFl
Page 134 and 135:
All methods MUST NOT throw exceptio
Page 136 and 137:
All methods MUST NOT throw exceptio
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MethodDescriptionOpnum: 3FormatAddA
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3.1.13.7 IVdsVolumeOnline Interface
Page 142 and 143:
MethodDescriptionOpnum: 6MergeExpan
Page 144 and 145:
Virtual Disk Providers and Virtual
Page 146 and 147:
For a VDS_DISK_EXTENT or VDS_DISK_F
Page 148 and 149:
3.2.1.4 DisksIVdsAdvancedDisk::GetP
Page 150 and 151:
pointer to the virtual disk object
Page 152 and 153:
3.3.2 TimersNone.3.3.3 Initializati
Page 154 and 155:
3.4.1.1 Service ObjectThe service o
Page 156 and 157:
•If the disk is a removable drive
Page 158 and 159:
When the client calls a method to r
Page 160 and 161:
•If the signal state is TRUE and
Page 162 and 163:
3.4.5.1.3 Adding Disk ObjectsThe se
Page 164 and 165:
3.4.5.1.4 Removing Disk ObjectsThe
Page 166 and 167:
whether a basic, dynamic, or unallo
Page 168 and 169:
If S_FALSE is returned, the client
Page 170 and 171:
•Set the list of objects in the n
Page 172 and 173:
•Set the pHrResult output paramet
Page 174 and 175:
When the server receives this messa
Page 176 and 177:
wcFirstLetter: The first drive lett
Page 178 and 179:
Result of requeryAction server MUST
Page 180 and 181:
ulFlags: A value from the VDS_SERVI
Page 182 and 183:
pDiskIdArray: A pointer to an array
Page 184 and 185:
3.4.5.2.8.2 IVdsServiceIscsi::Query
Page 186 and 187:
HRESULT GetProperties([out] VDS_HBA
Page 188 and 189:
Return Values: The method MUST retu
Page 190 and 191:
Page 192 and 193:
VirtualDeviceType: Pointer to a VIR
Page 194 and 195:
HRESULT GetDiskFromVDisk([in] IVdsV
Page 196 and 197:
3.4.5.2.18 IVdsPack Methods3.4.5.2.
Page 198 and 199:
3.4.5.2.18.5 IVdsPack::CreateVolume
Page 200 and 201:
The server MUST update the percenta
Page 202 and 203:
•Return an HRESULT indicating fai
Page 204 and 205:
•objectType member is the value V
Page 206 and 207:
[out] IVdsPack** ppPack);ppPack: A
Page 208 and 209:
Clients cannot change the partition
Page 210 and 211:
ERROR_SUCCESS (0x00000000)When the
Page 212 and 213:
HRESULT QueryPartitions([out, size_
Page 214 and 215:
•For each callback object that is
Page 216 and 217:
Page 218 and 219:
3.4.5.2.23.7 IVdsAdvancedDisk::Dele
Page 220 and 221:
Page 222 and 223:
Note This method is not valid on CD
Page 224 and 225:
•objectType member is VDS_NTT_VOL
Page 226 and 227:
•ullOffset is the byte offset at
Page 228 and 229:
eginning of the disk that ullOffset
Page 230 and 231:
usFileSystemRevision: A 16-bit, bin
Page 232 and 233:
HRESULT FormatPartitionEx2([in] ULO
Page 234 and 235:
•Set the signal state in the asyn
Page 236 and 237:
Page 238 and 239:
•Create a new async object implem
Page 240 and 241:
Page 242 and 243:
If the volume resides on a basic di
Page 244 and 245:
•Delete all volume plexes in the
Page 246 and 247:
•For each callback object registe
Page 248 and 249:
If the volume is associated with a
Page 250 and 251:
The server MUST then perform the fo
Page 252 and 253:
•Verify that plNumberOfAccessPath
Page 254 and 255:
HRESULT Mount();This method has no
Page 256 and 257:
HRESULT GetFileSystemTypeName([out,
Page 258 and 259:
•Return an HRESULT indicating fai
Page 260 and 261:
•Allocate a buffer to hold the vo
Page 262 and 263:
Page 264 and 265:
•Verify that ullDesiredNumberOfRe
Page 266 and 267:
•Verify that ppVolume is not NULL
Page 268 and 269:
Page 270 and 271:
•Search all software providers fo
Page 272 and 273:
ProviderSpecificFlags: Flags specif
Page 274 and 275:
For example, to merge a differencin
Page 276 and 277:
At any point in the preceding seque
Page 278 and 279:
•objectType member is VDS_NTT_FIL
Page 280 and 281:
•Volume member is a VDS_VOLUME_NO
Page 282 and 283:
Figure 2: Client starting a VDS ses
Page 284 and 285:
4.1.2 Ending SessionsThe following
Page 286 and 287:
2. The server determines that the c
Page 288 and 289:
Figure 8: Retrieving the properties
Page 290 and 291:
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")
Page 330 and 331:
);[helpstring("method Mount")]HRESU
Page 332 and 333:
[object,uuid(4daa0135-e1d1-40f1-aaa
Page 334 and 335:
7 Appendix B: Product BehaviorThe i
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Supported operating system versionI
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•Dynamic disk volumes - The flag
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overwritten with "UDF". The first e
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Section 3.1.7.1: This interface is
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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
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•Protocol syntax updated due to p
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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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