几种主流快照技术的分析比较

Research on the Snapshot Technology in Storage Systems

停机时间是存储系统备份操作的主要性能瓶颈,而快照技术能够有效地缩短它。这里详细介绍了几种当前的主流快照技术,并对它们的性能和特点进行了量化的研究和分析。

Down - time is a main performance bottleneck for backup process of storage systems while the Snapshot technology can effectively reduce it. In this paper, some current Snapshot technologies are introduced and a quantitative analysis on the performance and feather is made.