Embedded integrated virtual tape library-based data archiving protection system and method

A technology of virtual tape library and data archiving, which is applied in the field of data archiving protection system based on embedded integrated virtual tape library, and can solve problems such as data loss

Inactive Publication Date: 2010-06-16
无锡北方数据计算股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the virtual tape library is damaged, all data on the virtual tape library will be lost, which will also cause serious loss of user backup data

Method used

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  • Embedded integrated virtual tape library-based data archiving protection system and method
  • Embedded integrated virtual tape library-based data archiving protection system and method
  • Embedded integrated virtual tape library-based data archiving protection system and method

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Embodiment Construction

[0021] In order to enable those skilled in the art to better understand the solutions of the embodiments of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the drawings and implementations.

[0022] First, refer to figure 1 : Schematic diagram of the virtual tape library data protection system structure, backup software is installed on the backup server, and the backup file index is stored in the backup software. The index records the relevant attributes of the file and the location on the physical tape, and is used to restore data from the tape use. The system host backs up the data to the virtual tape library, and the virtual tape library migrates the data to the physical tape library through the migration module. When it is necessary to restore the exported data, the system can first import the data into the virtual tape library, and the host computer restores the data. The host can also directl...

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Abstract

The invention discloses an embedded integrated virtual tape library-based data archiving protection system and an embedded integrated virtual tape library-based data archiving protection method. The system comprises logic functional modules such as a strategy scheduling module, a migration control module, a data transmission module, a tape mapping module, a command forwarding module and the like. The system can export data of a virtual tape in a virtual tape library to a physical tape, and the physical tape can be stored off line. When the data in the virtual tape library is destroyed, the data on the physical tape can be firstly imported to the virtual tape. A host computer recovers the data by reading the data of the virtual tape, and can directly recover the data from a physical tape library by using the virtual tape library as bridging. Meanwhile, the system and the method can reduce the time of exporting the same virtual tape repeatedly, and support the export of the incremental data, namely only export the data of an updated backup on the virtual tape.

Description

technical field [0001] The invention relates to the technical field of computer storage, in particular to a data archiving protection system and method based on an embedded integrated virtual tape library. Background technique [0002] With the continuous development of computer information systems, the core business of users depends more and more on the reliable operation of information systems, and the key business data in information systems has become the most important asset of users. Therefore, it is urgent to back up and protect critical business data. [0003] It is to ensure that the replicated data will be restored in the event of data loss or system disaster. Most users use backup technology, but backup technology focuses on the change and update of business information, which is a short-term storage behavior and is often overwritten. For example, banks have to back up transaction records every day. When the data stops changing or is not frequently used, they c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14G06F3/06
Inventor 张庆敏胡刚谢海威郑志文
Owner 无锡北方数据计算股份有限公司
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