2.2.3.51 CLUS_PHYSICAL_DISK_INFO

The CLUS_PHYSICAL_DISK_INFO structure represents the information of the physical disk to which the node is connected. It is a custom-marshalled structure that contains the following fields.

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PhydiscId
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BusType
MediaType
IsClusBFltCandidate								IsSystemCritical								Manufacturer (variable)
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ModelInfo (variable)
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FriendlyNameInfo (variable)
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PhydiscId (16 bytes): A GUID ([MS-DTYP] section 2.3.4) that identifies the physical disk in designated cluster.

BusType (4 bytes): The type of bus to which the physical storage disk is attached. The server MUST set this field to one of the following values.

Value/code	Description
BusTypeUnknown 0x00000000	The bus type is unknown.
BusTypeScsi 0x00000001	The bus type is small computer system interface (SCSI).
BusTypeAtapi 0x00000002	The bus type is AT attachment packet interface (ATAPI).
BusTypeAta 0x00000003	The bus type is advanced technology attachment (ATA).
BusType1394 0x00000004	The bus type is IEEE 1394, commonly known as FireWire.
BusTypeSsa 0x00000005	The bus type is serial storage architecture (SSA).
BusTypeFibre 0x00000006	The bus type is Fibre Channel.
BusTypeUsb 0x00000007	The bus type is universal serial bus (USB).
BusTypeRAID 0x00000008	The bus type is redundant array of independent disks (RAID).
BusTypeiScsi 0x00000009	The bus type is internet small computer system interface (iSCSI).
BusTypeSas 0x0000000A	The bus type is serial attached SCSI (SAS).
BusTypeSata 0x0000000B	The bus type is serial ATA (SATA).
BusTypeSd 0x0000000C	The bus type is secure digital (SD).
BusTypeMmc 0x0000000D	The bus type is multimedia card (MMC).
BusTypeVirtual 0x0000000E	The bus type is virtual.
BusTypeFileBackedVirtual 0x0000000F	The bus type is file-backed virtual.
BusTypeSpaces 0x00000010	The bus type is Spaces.
BusTypeMax 0x00000011	Maximum bus type.
BusTypeMaxReserved 0x0000007F	Reserved.

MediaType (4 bytes): A media type enumerated by STORAGE_MEDIA_TYPE, as specified in section 2.2.2.27.

IsClusBFltCandidate (1 byte): A Boolean where TRUE indicates that the disk is a CBFLT disk.

IsSystemCritical (1 byte): A Boolean where TRUE indicates that the state of the disk is system critical.

Manufacturer (variable): Represents the name of the disk manufacturer as specified in CLUS_STRING_NAME_INFO (section 2.2.3.52).

ModelInfo (variable): Represents the disk model information as specified in CLUS_STRING_NAME_INFO.

FriendlyNameInfo (variable): Denotes the disk alternate name of type CLUS_STRING_NAME_INFO.