3.2.4.12 CprepDiskOffline (Opnum 20)
The CprepDiskOffline method begins the transition of a ClusPrepDisk.OnlineState to Not Online and then waits for the transition to complete.
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HRESULT CprepDiskOffline( [in] CPREP_DISKID DiskId );
DiskId: The identifier of the ClusPrepDisk representing the disk whose associated volumes will become Offline.
Return Values: A signed 32-bit value that indicates return status. If the method returns a negative value, it has failed. Zero or positive values indicate success, with the lower 16 bits in positive nonzero values containing warnings or flags defined in the method implementation. For more information about Win32 error codes and HRESULT values, see [MS-ERREF] sections 2.2 and 2.1.
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Return value/code
Description
0x00000000
S_OK
The call was successful.
0x80070002
ERROR_FILE_NOT_FOUND
The disk was not found.
0x8007139F
ERROR_INVALID_STATE
The value of ClusPrepDisk.OnlineState is not equal to Online.
0x80070548
ERROR_INVALID_SERVER_STATE
The server's Prepare State is not Online.
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For any other condition, this method MUST return a value that is not one of the values listed in the preceding table. The client MUST behave in one consistent, identical manner for all values that are not listed in the preceding table.
Exceptions Thrown: No exceptions are thrown beyond those thrown by the underlying RPC protocol [MS-RPCE].
The opnum field value for this method is 20.
When processing this call, the server MUST do the following:
Obtain the ClusPrepDisk identified by the DiskId parameter as described in section 3.2.4.
Flush all unwritten data to the disk.
Invalidate all handles to files on the disk.
Dismount all file systems on the disk.
Block read/write access to the disk.
Perform implementation-specific processing to make the volumes associated with the disk offline.
Set ClusPrepDisk.OnlineState to Not Online.