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EraseTape info  Overview  Group

The EraseTape function erases all or part of a tape.

DWORD EraseTape(

    HANDLE hDevice,

// handle to open device

    DWORD dwEraseType,

// type of erasure to perform

    BOOL bImmediate 

// return after erase operation begins

   );

Parameters

hDevice
Identifies the device where the tape is to be erased. This handle is created by using the CreateFile function.
dwEraseType
Specifies the erasing technique. This parameter can be one of the following values:

Value

Description

TAPE_ERASE_LONG

Erases the tape from the current position to the end of the current partition.

TAPE_ERASE_SHORT

Writes an erase gap or end-of-data marker at the current position.

bImmediate
Specifies whether to return as soon as the erase operation begins. If this parameter is TRUE, the function returns immediately; if it is FALSE, the function does not return until the erase operation has been completed.

Return Values

If the function succeeds, the return value is NO_ERROR.

If the function fails, the return value is one of the following error codes:

Error code

Description

ERROR_BEGINNING_OF_MEDIA

An attempt to access data before the beginning-of-medium marker failed.

ERROR_BUS_RESET

A reset condition was detected on the bus.

ERROR_END_OF_MEDIA

The end-of-tape marker was reached during an operation.

ERROR_FILEMARK_DETECTED

A filemark was reached during an operation.

ERROR_SETMARK_DETECTED

A setmark was reached during an operation.

ERROR_NO_DATA_DETECTED

The end-of-data marker was reached during an operation.

ERROR_PARTITION_FAILURE

The tape could not be partitioned.

ERROR_INVALID_BLOCK_LENGTH

The block size is incorrect on a new tape in a multivolume partition.

ERROR_DEVICE_NOT_PARTITIONED

The partition information could not be found when a tape was being loaded.

ERROR_MEDIA_CHANGED

The tape that was in the drive has been replaced or removed.

ERROR_NO_MEDIA_IN_DRIVE

There is no media in the drive.

ERROR_NOT_SUPPORTED

The tape driver does not support a requested function.

ERROR_UNABLE_TO_LOCK_MEDIA

An attempt to lock the ejection mechanism failed.

ERROR_UNABLE_TO_UNLOAD_MEDIA

An attempt to unload the tape failed.

ERROR_WRITE_PROTECT

The media is write protected.

Remarks

Some tape devices do not support certain tape operations. To determine your tape device’s capabilities, see your tape device documentation and use the GetTapeParameters function.

See Also

CreateFile, GetTapeParameters

file: /Techref/os/win/api/win32/func/src/f22_12.htm, 6KB, , updated: 2000/4/7 11:19, local time: 2024/11/29 21:47,
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