IVssDifferentialSoftwareSnapshotMgmt3 interface

Defines methods that allow applications to use the shadow copy protection feature of VSS.

To obtain an instance of the IVssDifferentialSoftwareSnapshotMgmt3 interface, call the QueryInterface method of the IVssDifferentialSoftwareSnapshotMgmt interface and pass the IID_IVssDifferentialSoftwareSnapshotMgmt3 constant as the interface identifier (IID) parameter.

Members

The IVssDifferentialSoftwareSnapshotMgmt3 interface inherits from IVssDifferentialSoftwareSnapshotMgmt2 and IVssDifferentialSoftwareSnapshotMgmt. IVssDifferentialSoftwareSnapshotMgmt3 also has these types of members:

Methods

The IVssDifferentialSoftwareSnapshotMgmt3 interface has these methods.

MethodDescription
ClearVolumeProtectFault

Clears the protection fault state for the specified volume.

DeleteUnusedDiffAreas

Deletes all shadow copy storage areas (also called diff areas) on the specified volume that are not in use.

GetVolumeProtectLevel

Gets the shadow copy protection level for the specified volume.

QuerySnapshotDeltaBitmap

This method is reserved for future use.

SetVolumeProtectLevel

Sets the shadow copy protection level for a volume.

 

Remarks

An application with administrator privilege can use the SetVolumeProtectLevel method to specify a shadow copy protection level for a volume and the separate volume that contains its shadow copy storage area. The same protection level should be set for both volumes. The possible protection levels are defined by the VSS_PROTECTION_LEVEL enumeration.

When a volume protection fault occurs, the application must call the GetVolumeProtectLevel method for the volume to identify the cause of the fault.

Requirements

Minimum supported client

Windows Vista with SP1 [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

VsMgmt.h

See also

IVssDifferentialSoftwareSnapshotMgmt2
IVssDifferentialSoftwareSnapshotMgmt

 

 

Show: