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.

EraseTape info Overview Group

Parameters

Return Values

Remarks

See Also

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