Patent ID: 8917473
Filing Date: 2014-12-23
Classification: G11B

Abstract:
1. A method for controlling data writing using a tape recording apparatus, wherein the tape recording apparatus comprises a magnetic head and is configured to record data on a tape medium by running the tape medium back and forth in a longitudinal direction between opposite ends of the tape medium, the method comprising: performing back-and-forth data writing by positioning the magnetic head at a predetermined position close to a first end of the tape medium; writing the data on the tape medium starting from the predetermined position, wrap-turning a running direction of the tape medium a first time when the magnetic head reaches a second end of the tape medium, and writing the data on the tape medium from the second end toward the first end; wrap-turning the running direction of the tape medium a second time when the magnetic head reaches the first end after the first wrap-turn and performing a subsequent back-and-forth data writing; and wrap-turning the running direction of the tape medium a third time before the magnetic head reaches the second end and writing a first half of data remaining to be written after the second wrap-turn when the data remaining to be written in the subsequent back-and-forth data writing is smaller than a volume of the data to be written in one back-and-forth running of the tape medium so that an end of the data is written at a position close to the first end, and writing a second half of data remaining to be written after the second wrap-turn toward the first end.