File backup method and system and client with system

Abstract

The invention provides a file backup method and system and a client. The file backup method comprises the steps that a disk area on a server is mounted on the client to form a virtual disk through a specified network protocol; a first data bitmap and a second data bitmap are created on a memory of the client; a system bitmap of a backup data source is initially scanned, input / output data in the backup data source is read, and the read input / output data in the backup data source is copied to the virtual disk; after scanning of the system bitmap of the backup data source is completed, the first data bitmap and the second data bitmap are monitored according to preset data backup parameters, switching to the second data bitmap is achieved through the changing condition of the input / output data in the backup data source recorded by the first data bitmap, and the changed input / output data is copied to the virtual disk according to the change of the second data bitmap. Accordingly, a time consuming operation is avoided, small files can be efficiently backuped, and the reliability of data is guaranteed.

Description

technical field [0001] The invention belongs to the field of data backup and disaster recovery, and in particular relates to a file backup method, a system and a client end with the system. Background technique [0002] With the rapid development of computer technology, most enterprises now use computers to operate their core business, and the resulting data has become the core wealth of enterprises. How to effectively protect these core data has become a huge challenge for enterprises. Challenge and focus. [0003] At present, the more troublesome and difficult thing for enterprise data protection is the backup of massive small files. In the actual IT working environment, there are often situations where the number of files is very large and the amount of data in each file is small, such as office files, picture files, and small videos. These files do not change frequently. For such an environment, the traditional incremental backup or differential backup method is very s...

AI Technical Summary

Problems solved by technology

[0005] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a file backup method, system and client with the system, which are used to solve the problem of very time-consuming backup operations for a large number of small files in the prior art

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