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Method and device for data backup in dual-computer system environment

A technology for backing up data and a dual-computer system, applied in the computer field, can solve problems such as data loss and achieve the effect of improving reliability

Inactive Publication Date: 2016-08-17
SUNINFO INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If a third-party persistent data protection product is installed on the master-slave service machine, the master-slave machine is objectively protected as two disks in stand-alone protection mode. When the master-slave machine switches, the data will inevitably be lost.
[0004] (2) Dual-machine protection is limited to non-continuous protection

Method used

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  • Method and device for data backup in dual-computer system environment
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  • Method and device for data backup in dual-computer system environment

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Embodiment Construction

[0021] The application will be described in further detail below in conjunction with the accompanying drawings.

[0022] In a typical configuration of the present application, the terminal, the device serving the network and the trusted party all include one or more processors (CPUs), input / output interfaces, network interfaces and memory.

[0023] Memory may include non-permanent storage in computer-readable media, in the form of random access memory (RAM) and / or nonvolatile memory, such as read-only memory (ROM) or flash memory (flashRAM). Memory is an example of computer readable media.

[0024] Computer-readable media, including both permanent and non-permanent, removable and non-removable media, can be implemented by any method or technology for storage of information. Information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), sta...

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Abstract

The invention aims at providing a method and device for data backup in a dual-computer system environment. Compared with the prior art, the method comprises the steps that firstly, total data to be backuped in a target disk is sent to a backup storage device through a host computer, then write operation of the host computer or a slave computer to the target disk is obtained, to-be-backuped increment data corresponding to the write operation is sent to the backup storage device, and accordingly continuous protection is achieved in the process of shifting from the host computer to the slave computer without interrupting protection to the data in the target disk. In addition, when a network transmission failure occurs, the to-be-backuped increment data is marked, the marked to-be-backuped increment data is forwarded to a disk drive, sending of the marked to-be-backuped increment data to the backup storage device continues after network transmission is restored, and accordingly the reliability is improved.

Description

technical field [0001] The present application relates to the computer field, in particular to a technology for backing up data in a dual-computer system environment. Background technique [0002] With the continuous expansion of information technology, data has covered the entire human life and has become an important wealth of enterprises and institutions. Due to the fragility of data itself, research on data protection has always been an important topic in the industry. In industries with particularly high data value, there will be higher requirements for data protection, resulting in the need for continuous data protection. However, there are still some problems in the continuous protection of data in the dual-computer system environment in the existing technology: [0003] (1) The continuous data protection in the prior art is limited to single-machine protection. Most of the current continuous protection is aimed at stand-alone protection. However, in actual produc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
CPCG06F11/1448G06F2201/82
Inventor 王瑞盛杰张嘉
Owner SUNINFO INFORMATION TECH
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