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Agentless continuous data protection method based on IPSAN shared storage

A shared storage and data protection technology, applied in the redundancy of computing for data error detection, electrical digital data processing, response error generation, etc., can solve the problems of large deployment and installation workload, system performance loss, etc.

Active Publication Date: 2018-07-06
NANJING UNARY INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] In order to solve the deficiencies in the prior art, the present invention provides an agentless continuous data protection method based on IPSAN shared storage, which solves the stability and security problems caused by the use of agents to servers, and avoids the problems caused by the installation of agents in production machine systems. System performance loss, reducing the problem of a large workload in the process of agent deployment, installation and uninstallation

Method used

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  • Agentless continuous data protection method based on IPSAN shared storage
  • Agentless continuous data protection method based on IPSAN shared storage
  • Agentless continuous data protection method based on IPSAN shared storage

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0036] Such as figure 1 As shown, it is a production system using IPSAN shared storage in the prior art, including a production server and an IPSAN shared storage server, and the network connection between the two is realized through a network switch.

[0037] Such as figure 2 As shown, an agentless continuous data protection system based on IPSAN shared storage includes a production server, an IPSAN shared storage server, a storage transfer and data protection server (referred to as a backup server). The IP network interconnection is realized through network switches; the backup server is responsible for backing up the data used in the production server and forwarding the data to the IPSAN s...

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Abstract

The invention discloses an agentless continuous data protection method based on IPSAN shared storage. The method comprises the following steps: 1) creating a virtual block storage device, mapping thevirtual block device to a target end of an iSCSI by using an open source iSCSI tool; 2) establishing a network connection between a backup server and a production server, and establishing a network connection between the backup server and an IPSAN shared storage server; 3) submitting, by a driving program of the virtual block device, data of a read-write request to a data processing module on thebackup server for processing, and synchronously forwarding, by the data processing module, the read-write request to the IPSAN shared storage server, meanwhile submitting a data change to a CDP backupmodule on the backup server for processing, and recording, by the CDP backup module, a data change log; and 4) when the data need to be restored, performing, by a CDP restoration module, a restoration operation according to the data change log recorded in step 3). By adoption of the agentless continuous data protection method disclosed by the invention, the workload is reduced.

Description

technical field [0001] The invention relates to the technical field of data backup, in particular to an agentless continuous data protection method based on IPSAN shared storage. Background technique [0002] IP SAN is referred to as SAN (Storage Area Network) for short. IP SAN makes full use of storage space and makes installation and management more effective. [0003] SAN is a technology that integrates storage devices, connection devices and interfaces in a high-speed network. SAN itself is a storage network that undertakes the task of data storage. The SAN network is isolated from the LAN service network, and the storage data flow will not occupy the service network bandwidth. [0004] CDP (Continuous Data Protection) is a method of continuously capturing and saving data changes, and saving the changed data independently of the initial data. This method can realize data recovery at any point in the past. Through the CDP real-time backup technology, it is possible to a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08G06F11/14
CPCG06F11/1448G06F11/1464H04L67/1095H04L67/1097
Inventor 李毅张有成许萍萍
Owner NANJING UNARY INFORMATION TECH
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