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数据复制系统的状态机的研究与设计 被引量:3

Research and Design of State Machine in Data Replication System
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摘要 在所有的容灾系统中,为了保证数据的可靠性和高可用性,数据复制是实现容灾的关键技术。数据复制系统最基本的要求是要做到确保系统处于正确的状态。目前开发了一个基于Linux的逻辑卷管理器(LVM)的远程数据复制系统———逻辑卷复制器(LVR)。在该系统中,设计并实现了一个状态机来控制系统的状态转换。主要讨论了这个状态机的工作方式以及它是如何保证系统运行在正确的状态下的。 Data replication is a key design principle for achieving reliability and high-availability in disaster-tolerate systems. The common denominator of all existing replication systems is the need to keep the proper state of the system. We now present a distant data replication system named Logical Volume Replicator(LVR) which is based on Logical Volume Manager(LVM) on the platform of Linux. In LVR, we design and implement one state machine to control the LVR' s state. This paper will discuss how the state machine works and guarantees the system runs in the proper state.
出处 《计算机应用研究》 CSCD 北大核心 2005年第10期88-90,共3页 Application Research of Computers
基金 国家科技部中小企业创新基金资助项目(03C26216111174)
关键词 数据容灾 数据复制 数据一致性 状态机 Disaster-tolerate Data Replication Data Consistency State Machine
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