Back-up restoring method for user database

A recovery method and user data technology, applied in the field of mobile communication, can solve problems such as system downtime, achieve the effects of reducing workload, ensuring consistency, and ensuring continuity

Inactive Publication Date: 2005-05-11
晋江市高新技术开发办公室
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, if the database on the disk array is damaged, even if the minicomputer works normally, the whole system will go down.

Method used

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  • Back-up restoring method for user database

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Embodiment Construction

[0024] see figure 1 , a schematic diagram of the present invention, wherein the thick arrow marks the data backup and recovery process. figure 1 Among them, the first minicomputer 1 is the main database server for work, and the database is stored on the disk array 2. When it works normally, it provides the user with the storage management function of the database db, and creates a standby database db_bak4 on the minicomputer 1. , its structure is the same as that of the main database db, so that the backup file of the main database can be stored in the local hard disk 4 and tape 3 on the minicomputer, and at the same time, the data can be restored to the standby database of the local hard disk 4 by using the generated backup file dbbak4. The second minicomputer 5 is not the main database server, but it can access the main database of 2 on the disk array. In this way, a standby database dbbak6 is also created on the second minicomputer, and its structure is the same as that of...

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Abstract

A method for restoring back-up of user's databank includes setting up spare databank of the user and the timing task to back up user's data on main used databank to local harddisc in assigned time or at lowload period of the system, receiving user's data in main used databank to spare databank, using the spare one to substitute the main used one at time when the main used can not be used because of the fault.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a backup recovery method for a mobile user database. Background technique [0002] The user database is a core device in the entire switching network system. The user database stores the user's authentication information, basic subscription information and supplementary business information. The security, stability and reliability of the user database will directly affect the entire switching network. The security, stability and reliability of the network system. [0003] In order to strengthen the security and reliability of the user database, various manufacturers have adopted various methods. Generally, the user data center platform of the core network is constructed in the way of two computers plus a magnetic array, and database instances are installed on two minicomputers respectively, and the database is created on the magnetic array. Under normal circumstances, only t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/07G06F11/30G06F13/22G06F17/30
Inventor 周峰胡静波彭军
Owner 晋江市高新技术开发办公室
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