storage hierarchy meaning in Chinese

存储器层次结构
存储体系
分级存储器体系
分级存储器系统

While a storage hierarchy arises as a compromise between accessibility bof data and cost of storage , the user in the future will not want to even be aware of its existence since his focus is on problem solving
存储器分级结构折中地解决了数据访问速度与存储成本间的矛盾，用户在今后将淡化这样的观念，而更多关注问题的解决。
In the environment of clustered video server , the advantage of adopting hierarchical storage architecture is its ability to assign the appropriate storage hierarchy to each program based on its locality of access
在集群式视频服务器中，利用vod系统的访问局部性，将节目存储在层次化的存储系统中，以节省系统的存储费用和提高命中率。