Invention Grant
- Patent Title: Method and apparatus for performing dynamic recovery management regarding redundant array of independent disks
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Application No.: US16513675Application Date: 2019-07-16
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Publication No.: US10860423B2Publication Date: 2020-12-08
- Inventor: An-Nan Chang
- Applicant: Silicon Motion Inc.
- Applicant Address: TW Hsinchu County
- Assignee: Silicon Motion, Inc.
- Current Assignee: Silicon Motion, Inc.
- Current Assignee Address: TW Hsinchu County
- Agent Winston Hsu
- Priority: TW108100004A 20190102
- Main IPC: G06F11/10
- IPC: G06F11/10 ; G06F11/14 ; G06F3/06

Abstract:
A method and apparatus for performing dynamic recovery management regarding a RAID are provided. The method includes: writing a first set of protected data into a first protected access unit of multiple protected access units of the RAID, and recording a first set of management information corresponding to the first set of protected data, for data recovery of the first set of protected data; and when any storage device of multiple storage devices of the RAID malfunctions, writing a second set of protected data into a second protected access unit of the protected access units, and recording a second set of management information corresponding to the second set of protected data, for data recovery of the second set of protected data. Any set of the first set of protected data and the second set of protected data includes data and multiple parity-check codes.
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