CreateTapePartition info  Overview  Group

The CreateTapePartition function reformats a tape.

DWORD CreateTapePartition(

Parameters

hDevice

Identifies the device where the new partition is to be created. This handle is created by using the CreateFile function.

dwPartitionMethod

Specifies the type of partition to create. To determine what type of partitions your device supports, see the documentation for your hardware. This parameter can have one of the following values:

Value	Description
TAPE_FIXED_PARTITIONS	Partitions the tape based on the device’s default definition of partitions. The dwCount and dwSize parameters are ignored.
TAPE_INITIATOR_PARTITIONS	Partitions the tape into the number and size of partitions specified by dwCount and dwSize, respectively, except for the last partition. The size of the last partition is the remainder of the tape.
TAPE_SELECT_PARTITIONS	Partitions the tape into the number of partitions specified by dwCount. The dwSize parameter is ignored. The size of the partitions is determined by the device’s default partition size. For more specific information, refer to the documentation for your tape device.

dwCount

Specifies the number of partitions to create. The GetTapeParameters function provides the maximum number of partitions a tape can support.

dwSize

Specifies the size, in megabytes, of each partition. This value is ignored if the dwPartitionMethod parameter is TAPE_SELECT_PARTITIONS.

Return Values

If the function succeeds, the return value is NO_ERROR.

If the function fails, it may return one of the following error codes:

Remarks

Creating partitions reformats the tape. All previous information recorded on the tape is destroyed.

See Also

CreateFile, GetTapeParameters