持续数据保护（CDP）技术

几年前持续数据维护(CDP)出现时,大家都以为这种产品可以替代传统的备份软件。其时CDP供货商猜测IT管理人员都会抛弃本来的备份软件,由于它们需求每周一次完全备份、天天一次增量备份;IT人员会转向使用CDP,由于CDP可以记录每次数据改变,将数据和使用程序恢复到过去任何一个时间点。CDP可以通过硬件或许软件来实现。基于软件的CDP通常是通过你所维护的每一个服务器上的agent来实现(比方数据库服务器)...
CDP.pdf

(When Continuous Data Maintenance (CDP) came along a few years ago, everyone thought it could replace traditional backup software. At that time, CDP suppliers guessed that IT managers would abandon their original backup software because they required full backups once a week and incremental backups once a day; and use the program to restore to any point in time in the past. CDP can be implemented by hardware or software. Software-based CDP is usually implemented through an agent on every server you maintain (such as a database server)...
CDP.pdf)

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