MAGNETIC DISK DEVICE AND METHOD OF MANAGING PARITY

Organization Name

Inventor(s)

Takahiro Kawai of Yokohama Kanagawa (JP)

Tetsuo Kuribayashi of Yokohama Kanagawa (JP)

MAGNETIC DISK DEVICE AND METHOD OF MANAGING PARITY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18464110 titled 'MAGNETIC DISK DEVICE AND METHOD OF MANAGING PARITY

Simplified Explanation: The patent application describes a magnetic disk device that includes a storage section, a determination unit, and a parity management unit. The determination unit checks for unexecuted commands, while the parity management unit handles parity data in the storage section.

Key Features and Innovation:

Determination of unexecuted commands
Management of parity data in the storage section
Generation and writing of parity data based on the presence of unexecuted commands

Potential Applications: This technology could be used in various data storage systems, such as hard drives and servers, to ensure data integrity and reliability.

Problems Solved: This technology addresses issues related to data corruption and loss by effectively managing parity data in the storage section.

Benefits:

Improved data integrity
Enhanced reliability of storage systems
Prevention of data loss

Commercial Applications: This technology could be valuable for companies that rely on data storage systems for their operations, such as IT firms, cloud service providers, and data centers.

Prior Art: Readers interested in prior art related to this technology could explore patents and research papers in the field of data storage and magnetic disk devices.

Frequently Updated Research: Researchers in the field of data storage and magnetic disk devices may be conducting studies on improving parity management techniques for enhanced data reliability.

Questions about Magnetic Disk Device Technology: 1. How does this technology compare to traditional methods of managing parity data in storage systems? 2. What are the potential challenges in implementing this technology in large-scale data storage environments?

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Original Abstract Submitted

According to one embodiment, a magnetic disk device includes a disk, a storage section, a first determination unit, and a first parity management unit. The first determination unit determines presence or absence of an unexecuted command. The first parity management unit searches the storage section for the first parity area after the first determination unit determines that there is no unexecuted command. The first parity management unit generates the first parity based on the first data in the first data area if the first parity area is detected as the invalid parity area, and writes the first parity to the first parity area.