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发明公开
CN103838515A 一种服务器集群访问调度多控制器磁盘阵列的方法及系统 有权 转让

一种服务器集群访问调度多控制器磁盘阵列的方法及系统
摘要：
本发明提出了一种服务器集群访问调度多控制器磁盘阵列的方法及系统，所述方法为：通过映射表机制建立在某一时刻多控制器中的一台控制器仅为服务器集群中的一台服务器提供服务的动态映射关系。映射表机制包含：步骤101）将服务器中的一台设置为仲裁者服务器；步骤102）基于仲裁者服务器启动初始化映射表的步骤，该步骤在系统初始化阶段，由仲裁者服务器访问磁盘阵列的各个控制器，收集磁盘上所有文件的信息，初始化映射表，并将映射表发送给系统中的所有服务器；步骤103)基于仲裁者服务器启动的更新映射表的步骤，该步骤中各服务器将更新映射表的请求发送至所述仲裁者服务器，并由仲裁者服务器统一更新映射表，并定时将新的映射表同步给各台服务器。
摘要（英）：

The invention provides a method and system for allowing a server cluster to have access to and dispatch a multi-controller disk array. The method includes the steps that a dynamic mapping relation that one controller in multiple controllers at a certain moment only provides services for one server in the server cluster is built based on a mapping table mechanism, wherein the mapping table mechanism includes the steps that one server is set as a moderator server; initialization of mapping tables are started based on the moderator server, in the system initialization stage, the moderator server has access to all controllers in the disk array to collect information of all files on disks, the mapping tables are initialized and sent to all the servers in the system; the mapping tables are updated based on the moderator server, all the servers send a request for updating the mapping tables to the moderator server, the mapping tables are updated in a centralized mode through the moderator server, and the new mapping tables are synchronized to all the servers at regular time.

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