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1. 发明授权

US08392676B2 Management method and management apparatus 有权
标题翻译：管理方法和管理手段
公开(公告)号：US08392676B2
公开(公告)日：2013-03-05
申请号：US12836186
申请日：2010-07-14
申请人： Tomonori Yata , Hideo Ohata , Hidetaka Sasaki
发明人： Tomonori Yata , Hideo Ohata , Hidetaka Sasaki
IPC分类号： G06F12/00
CPC分类号： G06F3/0665 , G06F3/0611 , G06F3/0644 , G06F3/0647 , G06F3/0685
摘要： A management method and management apparatus that can prevent deterioration of response performance of an entire system is suggested.A management method and apparatus for managing a storage apparatus to which a hierarchical pool configuration technique is applied is designed to: select a migration-candidate virtual volume(s) from among virtual volumes to which a page(s) is allocated from a pool constituted from a storage tier(s) whose number of accesses per unit time has reached a performance threshold and whose used capacity has not reached a capacity threshold; select a pool(s) from which a page(s) is allocated to the virtual volume, as a migration source pool; also select a pool(s) constituted from a storage tier whose number of accesses per unit time has not reached the performance threshold, as a migration destination pool; decide a migration candidate pair(s) by combining the migration-candidate virtual volume(s) with the migration destination pool(s); calculate response performance of the entire system before and after migration respectively; and decide a migration candidate pair which is a migration object, based on the calculation result.
摘要翻译：建议可以防止整个系统的响应性能恶化的管理方法和管理装置。用于管理应用分级池配置技术的存储设备的管理方法和装置被设计为：从构成的池的分配了一个页面的虚拟卷中选择一个或多个迁移候选虚拟卷从每单位时间的访问次数达到性能阈值并且其使用容量未达到容量阈值的存储层; 选择一个从其分配页面的虚拟卷的池作为迁移源池; 还选择由每单位时间的访问次数尚未达到性能阈值的存储层构成的池作为迁移目的地池; 通过将迁移候选虚拟卷与迁移目的地池组合来确定迁移候选对; 分别计算迁移前后整个系统的响应性能; 并且基于计算结果来确定作为迁移对象的迁移候选对。

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