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Data restoration method and related device

A data repair and data technology, applied in the storage field, can solve the problems of long time and low efficiency, and achieve the effect of improving efficiency

Active Publication Date: 2020-11-27
SHANDONG YUNHAI GUOCHUANG CLOUD COMPUTING EQUIP IND INNOVATION CENT CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

But the disadvantage of the Gaussian elimination method is also that, regardless of any matrix, n 3 operation
It can be seen that the process of data restoration takes a long time and the efficiency is extremely low

Method used

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  • Data restoration method and related device

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Embodiment Construction

[0045] The core of the present application is to provide a data repair method, a data repair device, a computing device, and a computer-readable storage medium. When the number of data blocks to be restored is one, directly check matrix rows corresponding to the data blocks to be restored Directly transform the row recovery matrix, and then use the parity check matrix row to perform data recovery operation to obtain the recovered data block instead of inverse operation, so as to improve the efficiency of the data recovery process.

[0046] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodim...

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Abstract

The invention discloses a data restoration method. The method comprises: determining the number of to-be-restored data blocks in to-be-restored data; when the number is one, performing conversion operation on a check matrix row corresponding to the to-be-recovered data block according to data bit characteristics of data storage to obtain a row recovery matrix; and performing data recovery operation according to the row recovery matrix and an RS erasure correction algorithm to obtain a recovered data block. When the number of the to-be-recovered data block is one, the check matrix row corresponding to the to-be-recovered data block is directly transformed into the recovery matrix, and then the check matrix row is used for data recovery operation to obtain the recovered data block instead ofinversion operation, so that the efficiency of the data recovery process is improved. The invention furthermore discloses a data restoration device, computing equipment and a computer readable storage medium, which have the above beneficial effects.

Description

technical field [0001] The present application relates to the field of storage technology, and in particular to a data restoration method, a data restoration device, a computing device, and a computer-readable storage medium. Background technique [0002] With the continuous development of information technology, facing the storage requirements of massive data, distributed storage has gradually replaced the dominant position of unified storage due to its advantages of low cost and good scalability. Distributed storage systems mostly use cheap disks as storage nodes, and the reliability of each storage node is low. On the other hand, a distributed storage system usually includes many nodes. Due to software and hardware failures, human errors, etc., the system often A node failure occurs. In order to improve the data reliability of the distributed storage system and ensure that the data collection nodes can reconstruct the original files with a high probability, it is necessa...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/10G06F11/14
CPCG06F11/1012G06F11/1446G06F11/1402
Inventor 吴睿振王凛王明明吴艳
Owner SHANDONG YUNHAI GUOCHUANG CLOUD COMPUTING EQUIP IND INNOVATION CENT CO LTD
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