Continuous data protection method and system based on data block

A continuous data protection and data block technology, applied in the field of secure storage, can solve problems such as difficult to ensure data consistency, affect the production system, and lose data, and achieve the effects of protecting business continuity, ensuring data storage security, and avoiding accidental deletion

Pending Publication Date: 2020-11-17
SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Traditional data protection solutions focus on periodic backup of data, so problems such as backup windows, difficulty in ensuring data consistency, and impact on production systems cannot be avoided
The data protection interval achieved by backup technology is generally 24 hours, so users will face the risk of losing data generated for up to 24 hours

Method used

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  • Continuous data protection method and system based on data block

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The data block-based continuous data protection method of the present invention adopts the data block-level continuous protection technology to obtain a dynamic copy of production data through volume mirroring, and performs continuous data protection based on this copy; The snapshot technology satisfies the user's demand for distant and close backup; as attached figure 1 As shown, the method is as follows:

[0036] S1. When the application system performs read and write operations on the storage system, the storage system will synchronize the production volume in real time and generate a mirror volume; among them, the production volume and the mirror volume maintain real-time data synchronization and data consistency; the production volume fails When inaccessible or read-write, the mirrored volume provides business access capabilities, and can quickly recover data stored on the production volume from the mirrored volume and snapshot, protect business continuity and data...

Embodiment 2

[0041] The continuous data protection system based on data block of the present invention, the system includes,

[0042] The generation module is used for when the application system performs read and write operations on the storage system, the storage system will synchronize the production volume in real time and generate a mirror volume; the production volume and the mirror volume maintain real-time data synchronization and data consistency; among them, When the production volume fails and cannot be accessed or read and written, the mirror volume provides business access capabilities, and can quickly restore the data stored on the production volume from the mirror volume and snapshot, protecting business continuity and data storage security, and effectively avoiding logical failures;

[0043] Snapshot module, used for snapshot protection of mirrored volumes according to business security requirements;

[0044] The corresponding module is used for snapshot technology, and eac...

Embodiment 4

[0047] An embodiment of the present invention also provides an electronic device, including: a memory and at least one processor;

[0048] Wherein, the memory stores computer-executable instructions;

[0049] The at least one processor executes the computer-executed instructions stored in the memory, so that the at least one processor executes the data block-based continuous data protection method in any embodiment.

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PUM

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Abstract

The invention discloses a continuous data protection method and system based on a data block, belongs to the technical field of secure storage, and aims to solve the technical problem of how to realize continuous data protection of stored data, effectively avoid error deletion and error operation of the data, and guarantee data storage security. According to the technical scheme, the continuous data protection method based on the data block comprises the steps that a data block level continuous protection technology is adopted, a dynamic copy of production data is obtained in a volume mirroring mode, and data continuous protection is conducted with the copy as the benchmark; and based on the efficient snapshot technology, the far-sparse and near-dense backup demands of a user are satisfied. The invention further discloses a continuous data protection system based on the data block. The system comprises a generation module, a snapshot module, a corresponding module and a timing combination module.

Description

technical field [0001] The invention relates to the technical field of safe storage, in particular to a continuous data protection method and system based on data blocks. Background technique [0002] Continuous data protection is a set of technical means that can capture or track data changes and store them independently of production data to ensure that data can be restored to any point in time in the past. In theory, any file data change will be automatically recorded, so it is called continuous data protection. [0003] The key word of continuous data protection technology is "continuous", and its main function is to complete the rapid recovery of data at the instant of a fault to ensure business continuity. Therefore, it can fundamentally solve the inherent weaknesses of low recovery ability and imprecise time strategy (such as backup according to the day) in traditional backup. For a given data set, continuous data protection provides continuous recovery points, whic...

Claims

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Application Information

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IPC IPC(8): G06F11/14G06F11/20
CPCG06F11/1458G06F11/1469G06F11/2064G06F11/2082G06F2201/84G06F2201/805G06F2201/82
Inventor 韩德亮高霄霄李常先
Owner SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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