18451404. MAGNETIC DISK DEVICE simplified abstract (KABUSHIKI KAISHA TOSHIBA)
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 18451404 titled 'MAGNETIC DISK DEVICE
The patent application describes a magnetic disk device with multiple magnetic disks, each having two recording surfaces, and two magnetic heads for writing data to each surface. The device includes a controller with a counter to track the number of writes by each head, an unwritten detection unit to identify unwritten blocks, and a memory to store thresholds for write counts.
- The device has multiple magnetic disks with two recording surfaces each.
- It includes two magnetic heads for writing data to the surfaces.
- A controller tracks the number of writes by each head using a counter.
- An unwritten detection unit identifies blocks that have not been written to.
- The memory stores thresholds for the number of writes by each head.
Potential Applications: - Data storage systems - Computer servers - Backup and archival systems
Problems Solved: - Efficient management of write operations on magnetic disks - Preventing data loss by identifying unwritten blocks
Benefits: - Improved data storage performance - Enhanced data reliability - Optimized disk usage
Commercial Applications: Title: Magnetic Disk Device for Enhanced Data Storage This technology can be used in various commercial applications such as data centers, cloud storage facilities, and enterprise storage solutions. It can improve data management efficiency and enhance overall system performance.
Questions about Magnetic Disk Device for Enhanced Data Storage: 1. How does the magnetic disk device improve data storage performance? The magnetic disk device enhances data storage performance by efficiently managing write operations and preventing data loss through the identification of unwritten blocks.
2. What are the potential commercial applications of this technology? The potential commercial applications of this technology include data centers, cloud storage facilities, and enterprise storage solutions, where it can improve data management efficiency and system performance.
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.
