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Data protection method and system for supporting any time data access and modification

A technology of data access and data protection, which is applied in the direction of data error detection, transmission system, and response error generation, which can solve the problems of inability to guarantee real-time availability of key data, historical data queryability, time-consuming huge And other issues

Inactive Publication Date: 2010-03-10
WUHAN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although traditional data backup and data recovery technologies can tolerate disasters to a certain extent, they are often time-consuming and cannot guarantee the real-time availability of key data and the queryability of historical data

Method used

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  • Data protection method and system for supporting any time data access and modification
  • Data protection method and system for supporting any time data access and modification
  • Data protection method and system for supporting any time data access and modification

Examples

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Embodiment Construction

[0042] Below in conjunction with accompanying drawing, the present invention will be further described with specific embodiment:

[0043] The data protection method that supports data access and modification at any time provided by the present invention specifically adopts the following technical solutions, see figure 1 , including the following steps:

[0044] ① Initialize the network connection, and the CDP (Continual Data Protection, continuous data protection) host establishes a network connection to the CDP server;

[0045] ②The CDP host sends a virtual access request to the CDP server through the CDP agent, and the CDP server authenticates it and establishes a data connection;

[0046] ③ The CDP server requires the CDP host to provide access information, which includes partition information and time information t;

[0047] ④ The CDP host sends access information through the CDP agent, and the CDP server uses the received information to query the metadata operation modu...

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PUM

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Abstract

The invention relates to the technical field of disaster recovery in the computer information security, in particular to a data protection method and a system for supporting any time data access and modification. The data protection method and the system for supporting any time data access and modification store the operating data which is captured in real time when in normal operation to a background disk for storage and store the version information on backup data in the metadata storage of a background CDP system. When the user needs to access or modify the data which can not be used temporarily due to malfunction; and in virtue of an iSCSI protocol, by a rapid restructuring mechanism of the background data version, the data protection method and the system for supporting any time dataaccess and modification can lead the data version at any time point to reappear through a middle mirror image and the operating data. The data protection method and the system for supporting any timedata access and modification have rapid restructuring and updating to support the time version, can achieve viewing to the backup data (time version) at any time point, can display the data which is required to be viewed in a relatively short time period, and can achieve real-time modification to the data and multi-directional operation to the data version.

Description

technical field [0001] The invention relates to the technical field of disaster recovery in computer information security, in particular to a data protection method and system supporting data access and modification at any time. Background technique [0002] At present, most enterprises often have a large amount of important data related to the lifeline of the enterprise, but the unreliability of computer hardware and software, human misoperation, malicious external attacks and natural disasters are likely to threaten their data security, resulting in the unavailability of key data, giving Enterprises cause huge economic losses. For example, the World Trade Center was destroyed by terrorists during the September 11 incident in the United States, and many of these companies closed down because of important data loss. [0003] Although traditional data backup and data recovery technologies can tolerate disasters to a certain extent, they are often time-consuming and cannot gu...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L29/06G06F11/14
Inventor 王丽娜熊琦王德军
Owner WUHAN UNIV
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