Edit

Share via

GET_VIRTUAL_DISK_INFO_VERSION enumeration (virtdisk.h)

Contains the kinds of virtual hard disk (VHD) information that you can retrieve. For more information, see GET_VIRTUAL_DISK_INFO.

Syntax

typedef enum _GET_VIRTUAL_DISK_INFO_VERSION {
  GET_VIRTUAL_DISK_INFO_UNSPECIFIED = 0,
  GET_VIRTUAL_DISK_INFO_SIZE = 1,
  GET_VIRTUAL_DISK_INFO_IDENTIFIER = 2,
  GET_VIRTUAL_DISK_INFO_PARENT_LOCATION = 3,
  GET_VIRTUAL_DISK_INFO_PARENT_IDENTIFIER = 4,
  GET_VIRTUAL_DISK_INFO_PARENT_TIMESTAMP = 5,
  GET_VIRTUAL_DISK_INFO_VIRTUAL_STORAGE_TYPE = 6,
  GET_VIRTUAL_DISK_INFO_PROVIDER_SUBTYPE = 7,
  GET_VIRTUAL_DISK_INFO_IS_4K_ALIGNED = 8,
  GET_VIRTUAL_DISK_INFO_PHYSICAL_DISK = 9,
  GET_VIRTUAL_DISK_INFO_VHD_PHYSICAL_SECTOR_SIZE = 10,
  GET_VIRTUAL_DISK_INFO_SMALLEST_SAFE_VIRTUAL_SIZE = 11,
  GET_VIRTUAL_DISK_INFO_FRAGMENTATION = 12,
  GET_VIRTUAL_DISK_INFO_IS_LOADED = 13,
  GET_VIRTUAL_DISK_INFO_VIRTUAL_DISK_ID = 14,
  GET_VIRTUAL_DISK_INFO_CHANGE_TRACKING_STATE = 15
} GET_VIRTUAL_DISK_INFO_VERSION;

Constants

 
GET_VIRTUAL_DISK_INFO_UNSPECIFIED
Value: 0
Reserved. This value should not be used.
GET_VIRTUAL_DISK_INFO_SIZE
Value: 1
Information related to the virtual disk size, including total size, physical allocation used, block size,
and sector size.
GET_VIRTUAL_DISK_INFO_IDENTIFIER
Value: 2
The unique identifier. This identifier is persistently stored in the virtual disk and will not change even
if the virtual disk file is copied to another file.
GET_VIRTUAL_DISK_INFO_PARENT_LOCATION
Value: 3
The paths to parent virtual disks. Valid only for differencing virtual disks.
GET_VIRTUAL_DISK_INFO_PARENT_IDENTIFIER
Value: 4
The unique identifier of the parent virtual disk. Valid only for differencing virtual disks.
GET_VIRTUAL_DISK_INFO_PARENT_TIMESTAMP
Value: 5
The time stamp of the parent when the child virtual disk was created. Valid only for differencing virtual
disks.
GET_VIRTUAL_DISK_INFO_VIRTUAL_STORAGE_TYPE
Value: 6
The device identifier and vendor identifier that identify the type of virtual disk.
GET_VIRTUAL_DISK_INFO_PROVIDER_SUBTYPE
Value: 7
The type of virtual disk.
GET_VIRTUAL_DISK_INFO_IS_4K_ALIGNED
Value: 8
Indicates whether the virtual disk is 4 KB aligned.

Windows 7 and Windows Server 2008 R2:  This value is not supported before Windows 8 and Windows Server 2012.
GET_VIRTUAL_DISK_INFO_PHYSICAL_DISK
Value: 9
Details about the physical disk on which the virtual disk resides.

Windows 7 and Windows Server 2008 R2:  This value is not supported before Windows 8 and Windows Server 2012.
GET_VIRTUAL_DISK_INFO_VHD_PHYSICAL_SECTOR_SIZE
Value: 10
The physical sector size of the virtual disk.

Windows 7 and Windows Server 2008 R2:  This value is not supported before Windows 8 and Windows Server 2012.
GET_VIRTUAL_DISK_INFO_SMALLEST_SAFE_VIRTUAL_SIZE
Value: 11
The smallest safe minimum size of the virtual disk.

Windows 7 and Windows Server 2008 R2:  This value is not supported before Windows 8 and Windows Server 2012.
GET_VIRTUAL_DISK_INFO_FRAGMENTATION
Value: 12
The fragmentation level of the virtual disk.

Windows 7 and Windows Server 2008 R2:  This value is not supported before Windows 8 and Windows Server 2012.
GET_VIRTUAL_DISK_INFO_IS_LOADED
Value: 13
Whether the virtual disk is currently mounted and in use.

Windows 8 and Windows Server 2012:  This value is not supported before Windows 8.1 and Windows Server 2012 R2.
GET_VIRTUAL_DISK_INFO_VIRTUAL_DISK_ID
Value: 14
The identifier that is uniquely created when a user first creates the virtual disk to attempt to uniquely identify that virtual disk.

Windows 8 and Windows Server 2012:  This value is not supported before Windows 8.1 and Windows Server 2012 R2.
GET_VIRTUAL_DISK_INFO_CHANGE_TRACKING_STATE
Value: 15
The state of resilient change tracking (RCT) for the virtual disk.

Windows 8.1 and Windows Server 2012 R2:  This value is not supported before Windows 10 and Windows Server 2016.

Requirements

Requirement Value
Minimum supported client Windows 7
Minimum supported server Windows Server 2008 R2
Header virtdisk.h

See also

About VHD

GET_VIRTUAL_DISK_INFO

GetVirtualDiskInformation

VHD Reference