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Data recovery control method and device based on erasure codes, equipment and medium

A technology of recovery control and erasure code, which is applied to data error detection, electrical digital data processing, error detection/correction, etc. in the direction of redundancy in computing, and can solve problems such as large disk load and slow business response

Active Publication Date: 2021-07-30
重庆紫光华山智安科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the shortcomings of the prior art described above, the purpose of this application is to provide an erasure code-based data recovery control method, device, equipment, and medium, which are used to solve the data recovery control process based on erasure codes in the prior art. In the middle, the front-end business response is slow and the disk load is too large.

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  • Data recovery control method and device based on erasure codes, equipment and medium
  • Data recovery control method and device based on erasure codes, equipment and medium
  • Data recovery control method and device based on erasure codes, equipment and medium

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Embodiment Construction

[0031] Embodiments of the present application are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in this specification. The present application can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0032] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic idea of ​​the application, and only the components related to the application are shown in the diagrams rather than the number, shape and Dimensional drawing,...

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Abstract

The invention provides a data recovery control method and device based on erasure codes, equipment and a medium, and the method comprises the steps: storing data according to a preset erasure ratio, the data comprising source data and verification data; when the disk is online, loading source data index information, and after loading is completed, representing a source data index loading state through a source data loading identifier; then, loading index information of the verification data, and after loading is completed, representing a verification data index loading state through a verification data loading identifier; and according to all the source data loading identifiers and the verification data loading identifiers, controlling data reporting, preferentially acquiring the source data, and after the source data is processed, processing the verification data to complete data recovery. According to the method, the source data and the verification data are distinguished through the identifier, and the mode of loading the source data first and then loading the verification data is adopted, so that the loading process of the file system and the starting process of the service node are accelerated, the starting time of the service node under the abnormal condition is shortened, and the response efficiency is improved.

Description

technical field [0001] The present application relates to the technical field of data storage, and in particular to an erasure code-based data recovery control method, device, device and medium. Background technique [0002] With the rapid development of the Internet, the widespread application of big data and cloud technology, the storage system needs to process more and more data. As a data storage medium, a disk has undergone several upgrades, and a single disk can store a larger amount of data. However, due to the increasingly complex storage environment, disks often come back online due to power failure or failure. [0003] At present, in order to use a small number of disks to store more data and achieve disaster recovery, erasure correction is usually used in the market to achieve data disaster recovery. However, in the process of data disaster recovery, because the impact of data reporting when the disk is powered on and data recovery when the disk is powered off o...

Claims

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Application Information

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IPC IPC(8): G06F11/14
CPCG06F11/1489G06F11/1471
Inventor 杜兴
Owner 重庆紫光华山智安科技有限公司
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