18675648. MAGNETIC DISK DEVICE WITH ENHANCED CONTROL OF WRITE PROCESSING METHOD BASED ON SHIFT IN DYNAMIC DRIFT OFF LEVEL (DDOL) simplified abstract (KABUSHIKI KAISHA TOSHIBA)
MAGNETIC DISK DEVICE WITH ENHANCED CONTROL OF WRITE PROCESSING METHOD BASED ON SHIFT IN DYNAMIC DRIFT OFF LEVEL (DDOL)
Organization Name
Inventor(s)
Nobuhiro Maeto of Yokohama (JP)
MAGNETIC DISK DEVICE WITH ENHANCED CONTROL OF WRITE PROCESSING METHOD BASED ON SHIFT IN DYNAMIC DRIFT OFF LEVEL (DDOL) - A simplified explanation of the abstract
This abstract first appeared for US patent application 18675648 titled 'MAGNETIC DISK DEVICE WITH ENHANCED CONTROL OF WRITE PROCESSING METHOD BASED ON SHIFT IN DYNAMIC DRIFT OFF LEVEL (DDOL)
The abstract of this patent application describes a magnetic disk device that includes a disk, a head for reading and writing data, and a controller that adjusts write processing based on certain criteria to prevent read errors.
- The device monitors the head's shift amount in the radial direction of the disk and adjusts write processing based on predetermined threshold values.
- The controller uses a first determination value to prevent read errors in adjacent tracks caused by excessive head shifts.
- By changing the write processing based on the second threshold value, the device optimizes data writing and reading operations.
Potential Applications: - Data storage systems - Computer hard drives - Server storage solutions
Problems Solved: - Preventing read errors in adjacent tracks - Optimizing data writing processes
Benefits: - Improved data reliability - Enhanced performance of magnetic disk devices
Commercial Applications: Title: Enhanced Data Writing Technology for Magnetic Disk Devices This technology could be utilized in various industries that rely on magnetic disk storage, such as data centers, cloud storage providers, and computer manufacturers. The improved data writing process can lead to more reliable storage solutions and better performance for users.
Questions about the technology: 1. How does this technology improve data reliability in magnetic disk devices? This technology enhances data reliability by adjusting write processing based on head shift amounts to prevent read errors in adjacent tracks.
2. What are the potential applications of this technology beyond magnetic disk devices? This technology could potentially be adapted for use in other data storage systems that require precise data writing processes.
Original Abstract Submitted
According to one embodiment, a magnetic disk device includes a disk, a head configured to write data to the disk and read the data from the disk, and a controller configured to control write processing based on a first determination value corresponding to a first shift amount defined for the excessive number of times at which the first shift amount of the head in a radial direction of the disk exceeds a first threshold value causing a read error in a second track adjacent to a first track in the radial direction at a time of the write processing of the first track of the disk, and a second threshold value changing the write processing.
