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    Storage apparatus and method of controlling storage apparatus
    8.
    发明授权
    Storage apparatus and method of controlling storage apparatus 失效
    存储装置及其控制方法

    公开(公告)号：US08572347B2

    公开(公告)日：2013-10-29

    申请号：US13320213

    申请日：2011-10-26

    申请人： Masayuki Kikuchi ,  Satoshi Saito ,  Kana Katayama ,  Yoshihiko Hosobuchi

    发明人： Masayuki Kikuchi ,  Satoshi Saito ,  Kana Katayama ,  Yoshihiko Hosobuchi

    IPC分类号： G06F12/00

    CPC分类号： G06F3/0665 ,  G06F3/0608 ,  G06F3/061 ,  G06F3/0646 ,  G06F3/0653 ,  G06F3/0685

    摘要： A storage apparatus provides a server apparatus with virtual volumes in thin provisioning; allocates a physical page to each pool page from a storage pool that is able to provide a plurality of types of physical pages classified into tiers, the pool page being an allocation unit of a storage area to the virtual volumes; stores an I/O count of each of the pool pages, stores an I/O count policy set for each of the applications; when receiving an I/O request, counts the I/O count of each of the pool pages in accordance with the I/O count policy set for the application having sent the I/O request; determines the tier of the physical page to be allocated to each pool page according to the I/O count of each pool page; and allocating the physical page in the tier determined for each of the pool pages.

    摘要翻译： 存储装置为服务器装置提供精简配置中的虚拟卷; 从能够提供分类为层的多种类型的物理页面的存储池向每个池页面分配物理页面，所述池页面是到所述虚拟卷的存储区域的分配单元; 存储每个池页面的I / O计数，存储为每个应用程序设置的I / O计数策略; 当接收到I / O请求时，根据为发送I / O请求的应用设置的I / O计数策略对每个池页面的I / O计数进行计数; 根据每个池页面的I / O数量确定要分配给每个池页面的物理页面的层次; 并在为每个池页面确定的层中分配物理页面。