Data backup system and data backup and backtracking method

Abstract

The present invention relates to a data backup system and a data backup and backtracking method, wherein the system used for providing a user terminal apparatus to transmit backup data to a remote memory apparatus for storing through a network, comprises a transmission module used for connecting the user terminal apparatus and the remote memory apparatus; a recording module used for storing recording files for transmitting the backup data to the remote memory apparatus; and difference analyzing module used for performing difference comparison on the recording files of the prior backup data obtained by the recording module and current backup data to obtain the difference data from the current backup data, different from the prior backup data, transmitting the difference data to the remote memory apparatus for storing through the transmission module, and converting the current backup data into another recording file and storing the recording file in the recording module. Furthermore, the present invention also provides a data backup and data backtracking method for performing differentiation.

Description

technical field [0001] The present invention relates to a data backup system and a data backup and backtracking method, more specifically, an online data backup system and a data backup and backtracking method. Background technique [0002] With the advent of the information age, all kinds of information are also stored in personal computers in the form of electronic files. In order to avoid the risk that the files stored in a single computer will cease to exist due to data loss or damage, various backup mechanisms have been proposed, such as Backup using optical storage media (such as CD), backup using magnetic storage media (such as external hard disk), or remote backup using network hard disk. [0003] Since disc backup requires a large number of discs, it is also necessary to prevent loss or damage of the discs. Furthermore, the content of the backup disc cannot be updated due to some data changes, which is inconvenient for a large number of data backups or data with a h...

AI Technical Summary

Problems solved by technology

[0004] However, there are still many inconveniences in remote backup at present, such as the need to replace old data with new data every time the backup process is performed, this backup method results in a large amount of data transmission and takes too long

In addition, the remote backup only keeps the data, and does not make a distinction based on the backup time difference. Therefore, when the user retrieves the backup data, he can only get the latest backup version, and cannot obtain the previous backup data at different times according to the demand.

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