Secondly , there are so many same objects managed in the storage manage system and a greate deal of memory is occupied , and in order to access the resources between processes entry management library is presented . thirdly , this paper also researches the ag ( atomic group ) function , then implements an method to deal with the disater recovery in san and ag make users easier to operate than a volume 另外，针对存储管理系统中要保存诸多同类信息、占用内存大的问题，同时考虑到能够实现进程间的数据访问，提出，设计并实现了entry管理库，从而大大降低了内存的使用量。另外，本文还设计和实现了ag ( atomicgroup )功能，提供了一种解决灾难恢复的方案，同时相对于单个volume的操作，以组为单位操作，简化了用户的操作。
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