A method and equipment for data protection

A data protection and equipment technology, applied in the field of technical computers, can solve the problems of performance degradation of distributed storage clusters and affect business operations, etc., and achieve the effects of improving user experience, reasonable division, and reducing lag

Active Publication Date: 2020-01-31
CHINA MOBILE SUZHOU SOFTWARE TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a method and equipment for data protection, which are used to solve the problem in the prior art that after a fault occurs in a fault domain, the performance of a distributed storage cluster is reduced and business operation is affected

Method used

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  • A method and equipment for data protection
  • A method and equipment for data protection
  • A method and equipment for data protection

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Embodiment Construction

[0035] The embodiment of the present invention provides a data protection method and device, which can be used in the application scenario of distributed storage cluster data storage, wherein the distributed storage cluster refers to a large number of PC servers interconnected through the Internet to provide an overall service to the outside world. And does not have the following characteristics:

[0036] (1) Scalable, the distributed storage cluster system can be expanded to a cluster size of hundreds or even thousands of units, and the overall performance of the system increases linearly.

[0037] (2) Low cost. Due to the characteristics of automatic fault tolerance and automatic load balancing in distributed storage clusters, distributed storage clusters can be built on low-cost servers, and the linear expansion capability also reduces server costs.

[0038] (2) High performance, regardless of whether it is for a single server or for the entire distributed storage cluster, ...

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Abstract

The invention discloses a method and equipment for data protection, which are used for solving the problems that the performance of a distributed storage cluster is reduced and the service operation is influenced after a fault occurs in a fault domain in the prior art. In the embodiment of the invention, the distributed storage cluster redivides the hard disks in the fault domains without faults to obtain at least one new fault domain, reselects the hard disks with distributed data fragments in the new fault domain according to the initial data fragment distribution rule, and performs recoveryand re-equalization in the reselected hard disks. According to the embodiment of the invention, after a fault occurs in a fault domain; the distributed storage cluster redivides the hard disks in thefault domains without faults in time to obtain new fault domains, and then recovers the lost data based on the redivided fault domains, so that the probability that the performance is reduced and theservice cannot run normally due to the fact that the fault domains fail and cannot be processed in time is reduced.

Description

technical field [0001] The invention relates to the technical field of technical computers, in particular to a data protection method and equipment. Background technique [0002] With the explosive growth of data, traditional data storage methods can no longer meet the needs, and distributed storage has become the first choice. Distributed storage includes distributed block storage, distributed file storage and distributed object storage. [0003] Existing distributed storage clusters usually use data redundancy to protect data. Typical data redundancy methods include copy strategy and erasure code strategy. Both the copy strategy and the erasure code strategy will generate data fragmentation (such as copy, erasure code check block), the existing distributed storage cluster adopts the method of dividing the fault domain, and by formulating corresponding distribution rules, the data fragments are placed in different fault domains. Since the division of fault domains is art...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/79G06F11/10
CPCG06F11/1008G06F21/79
Inventor 李宏杰张绍文郭占东
Owner CHINA MOBILE SUZHOU SOFTWARE TECH CO LTD
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