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    • 11. 发明专利
    • Storage system and power consumption reduction method for the same
    • 存储系统和功耗减少方法
    • JP2009176033A
    • 2009-08-06
    • JP2008013865
    • 2008-01-24
    • Hitachi Ltd株式会社日立製作所
    • MATSUZAWA KEIICHINAKANO TAKAHIRO
    • G06F3/06
    • G06F3/0625G06F1/3221G06F1/3268G06F1/3287G06F3/0635G06F3/067G06F2206/1012Y02D10/154Y02D10/171
    • PROBLEM TO BE SOLVED: To provide a storage system capable of reducing power consumption in a time period with less usage frequency of file servers. SOLUTION: In a storage system that includes two or more file servers each including an arbitrary number of operating virtual file servers, a management server: holds a load information table regarding a load on each virtual file server by each time period and redundancy information table for the storage system; judges, with reference to the load information table and redundancy information table, whether or not the loads on the virtual file servers can be handled by a smaller number of file servers than the number of currently-operating file servers; selects a power-off target file server if the judgment result is positive, and makes another file server fail over a virtual file server in the power-off target file server; and turns off the power-off target file server. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够在文件服务器的使用频率较低的时间段内降低功耗的存储系统。 解决方案:在包含两个或多个文件服务器的存储系统中,每个文件服务器包括任意数量的操作虚拟文件服务器,管理服务器:在每个时间段内保存关于每个虚拟文件服务器上的负载的负载信息表和冗余 存储系统信息表; 参考负载信息表和冗余信息表判断虚拟文件服务器上的负载是否能够由比当前操作的文件服务器的数量少的文件服务器来处理; 如果判断结果为肯定,则选择断电目标文件服务器,并使另一个文件服务器在断电目标文件服务器中的虚拟文件服务器故障转移; 并关闭电源关闭目标文件服务器。 版权所有(C)2009,JPO&INPIT