DATA PROTECTION METHOD BASED ON CDP(CONTINUOUS DATA PROTECTION)

摘要

The present invention relates to a kind of data guard method (CDP) based on continuous data protection. Based on CDP data guard methods, sequentially includes the following steps: and determine whether that changing data or file has made service; Storage device storage is corresponding to be changed, by servicing whenever change data or file are production; Removing between the corresponding change of duplicate message there are situation is that identical variation change has been saved in advance, when storage equipment storage corresponding change, and changes previously saved variation using index value; And restored data or file and be stored in storage equipment by returning back to the desired change with reference to the moment of random time user, data are restored or are stored in storage device. According to the present invention, data can be recovered, and being recorded time of the middle storage needed for making to data or file, and return without losing any change restores the data to carry out data recovery. ;The 2016 of copyright KIPO submissions