3.4.5.2.4.5 IVdsService::QueryUnallocatedDisks (Opnum 8)

The QueryUnallocatedDisks method enumerates the unallocated disks on the server.

 HRESULT QueryUnallocatedDisks(
   [out] IEnumVdsObject** ppEnum
 );

ppEnum: A pointer to an IEnumVdsObject interface that, if the operation is successfully completed, receives the IEnumVdsObject interface of the object that contains an enumeration of disk objects that correspond to unallocated disks on the server. Callers MUST release the interface that is received when they are done with it.

Return Values: The method MUST return zero or a non-error HRESULT (as specified in [MS-ERREF]) to indicate success, or return an implementation-specific nonzero error code to indicate failure. For the HRESULT values predefined by the Virtual Disk Service Remote Protocol, see section 2.2.3.

When the server receives this message, it MUST validate the following parameter:

  • Verify that ppEnum is not NULL.

The server MUST point ppEnum to an IEnumVdsObject interface that contains the enumeration of unallocated disk objects in the list of cached storage management objects, as specified in section 3.4.1.3, and return an HRESULT indicating failure or success.