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A data recovery method and system based on a distributed storage system

A technology of distributed storage and distributed data, applied to the redundancy in computing for data error detection, electrical digital data processing, response error generation, etc. , long data recovery time and other problems, to reduce the waste of memory space, improve data recovery efficiency, and achieve the effect of fast and effective recovery

Inactive Publication Date: 2018-12-11
WENZHOU POLYTECHNIC
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AI Technical Summary

Problems solved by technology

Data backup improves conditions for full backup, but the recovery efficiency of full data is not high, data recovery takes a long time, and takes up a lot of storage space
[0003] The present invention is dedicated to inventing a data recovery method and system based on a distributed storage system, which solves the problems of long storage time and large storage space during full data backup of distributed nodes

Method used

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  • A data recovery method and system based on a distributed storage system
  • A data recovery method and system based on a distributed storage system

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0029] see figure 1 As shown, the present invention is a data recovery based on a distributed storage system, and the distributed system includes several distributed data storage nodes node, including the following steps:

[0030] S000: Determine the number of storage nodes to be recovered recovernode whose backup timestamp timestamp of the distributed data storage node node is inconsistent with the recovery time point recovertime corresponding to the data to be re...

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Abstract

The invention discloses a data recovery method based on a distributed storage system, which relates to the technical field of data recovery. The method comprises the following steps: determining a storage node recovernode whose backup timestamp timestape of a distributed data storage node is inconsistent with the recovery time point recovertime corresponding to the data to be recovered; performingdata recovery according to the data operation record datarerecord and the backup data corresponding to the recovernode of the number of storage nodes to be recovered. The invention also provides a data recovery system based on a distributed storage system. The invention confirms the backup timestamp and the recoverable number storage node recovernode of the recoverable time point corresponding tothe recoverable data by querying the configuration log congfigLog and confirms the data operation record data at the same time record, to achieve a fast and effective recovery of distributed nodes, improve the efficiency of data recovery, reduce the waste of memory space in the process of data recovery.

Description

technical field [0001] The invention belongs to the technical field of data recovery, and in particular relates to a data recovery method and system based on a distributed storage system. Background technique [0002] With the rapid development of the Internet, the storage and recovery of data on distributed nodes is crucial to distributed systems; traditional data recovery methods are based on data backup. Data backup improves the conditions for full backup, but the recovery efficiency of full data is not high, data recovery takes a long time, and takes up a lot of storage space. [0003] The present invention is dedicated to inventing a data recovery method and system based on a distributed storage system, which solves the problems of long storage time and large storage space during full data backup of distributed nodes. Contents of the invention [0004] The purpose of the present invention is to provide a data recovery method and system based on a distributed storage ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
CPCG06F11/1448G06F11/1464
Inventor 张得佳
Owner WENZHOU POLYTECHNIC
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