Kabushiki kaisha toshiba (20240311026). MAGNETIC DISK DEVICE simplified abstract
Contents
MAGNETIC DISK DEVICE
Organization Name
Inventor(s)
Ling Lin of Yokohama Kanagawa (JP)
Tatsuya Haga of Fujisawa Kanagawa (JP)
Tatsuo Nitta of Machida Tokyo (JP)
MAGNETIC DISK DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240311026 titled 'MAGNETIC DISK DEVICE
Simplified Explanation: The patent application describes a magnetic disk device with multiple magnetic disks, each having two recording surfaces. The device includes two magnetic heads for writing data to each surface, a controller to track the number of writes by each head, and a memory to store thresholds for write counts.
Key Features and Innovation:
- Magnetic disk device with multiple disks and recording surfaces
- Two magnetic heads for writing data
- Controller to track write counts for each head
- Memory to store thresholds for write counts
- Detection unit to identify unwritten blocks
Potential Applications: This technology could be used in data storage systems, servers, and other devices that require efficient and reliable data writing capabilities.
Problems Solved: This technology addresses the need for monitoring and managing write counts on magnetic disks to prevent data loss and ensure optimal performance.
Benefits:
- Improved data writing efficiency
- Enhanced data storage reliability
- Prevents data loss due to excessive writes
- Optimizes performance of magnetic disk devices
Commercial Applications: The technology could be valuable in the data storage industry, particularly for companies that rely on magnetic disk devices for their storage needs. It could also have applications in server farms and cloud storage facilities.
Questions about Magnetic Disk Device: 1. How does the controller track the number of writes by each magnetic head? 2. What are the potential implications of setting different thresholds for the write counts on each magnetic head?
Frequently Updated Research: There may be ongoing research in the field of magnetic disk technology, particularly in improving write efficiency and durability of magnetic disks. Researchers may be exploring new materials and designs to enhance the performance of magnetic disk devices.
Original Abstract Submitted
according to one embodiment, a magnetic disk device includes a plurality of magnetic disks including a first recording surface and a second recording surface, a first magnetic head that writes data to the first recording surface, a second magnetic head that writes data to the second recording surface and a controller that includes a counter configured to detect the number of writes of each of the first magnetic head and the second magnetic head, an unwritten detection unit configured to detect an unwritten block from the blocks, and a memory configured to store a first threshold for the number of writes of each of the first magnetic head and the second magnetic head and a second threshold less than or equal to the first threshold.
