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1. 发明专利

JP2011107857A Storage system having power saving function 有权
标题翻译：具有节电功能的存储系统
公开(公告)号：JP2011107857A
公开(公告)日：2011-06-02
申请号：JP2009260616
申请日：2009-11-16
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YANAGAWA AKIFUMI , HORIUCHI KENJI , YANAGI NAOTO
IPC分类号： G06F3/06 , G06F1/26 , G06F1/32
CPC分类号： G06F3/0634 , G06F3/0625 , G06F3/067 , G06F3/0689 , Y02D10/154
摘要： PROBLEM TO BE SOLVED: To reduce the frequency with which a power saving state of physical storage devices is canceled, not only in a storage system in the NAS (Network Attached Storage) field, but also in a storage system other than the NAS field. SOLUTION: A controller of a storage system associates a portion of the logical area of logical storage devices with one or more pool areas of a pool. The frequency of I/O (Input/Output) of any of the portion of the logical areas is higher than the I/O frequency of the remaining logical areas of the logical storage devices. In the event of I/O, if a first physical storage device group which forms the basis of the physical storage devices is in a power saving state, then the controller performs I/O of a data element to/from the pool area corresponding to the logical area of the I/O destination, without canceling the power saving state of the first physical storage device group. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了减少物理存储装置的省电状态被取消的频率，不仅在NAS（网络连接存储）领域的存储系统中，而且在除了 NAS领域。解决方案：存储系统的控制器将逻辑存储设备的逻辑区域的一部分与池的一个或多个池区域相关联。逻辑区域的任何部分的I / O（输入/输出）的频率高于逻辑存储设备的剩余逻辑区域的I / O频率。在I / O的情况下，如果形成物理存储设备的基础的第一物理存储设备组处于省电状态，则控制器执行数据元素的I / O与/ I / O目的地的逻辑区域，而不取消第一物理存储设备组的省电状态。版权所有（C）2011，JPO＆INPIT

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