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    PROGRAM, APPARATUS AND METHOD FOR STORAGE MANAGEMENT
    4.
    发明申请
    PROGRAM, APPARATUS AND METHOD FOR STORAGE MANAGEMENT 失效
    程序，设备和存储管理方法

    公开(公告)号：US20090319749A1

    公开(公告)日：2009-12-24

    申请号：US12546440

    申请日：2009-08-24

    申请人： Kazutaka Ogihara ,  Yasuo Noguchi ,  Yoshihiro Tsuchiya ,  Masahisa Tamura ,  Tetsutaro Maruyama ,  Kazuichi Oe ,  Takashi Watanabe ,  Tatsuo Kumano

    发明人： Kazutaka Ogihara ,  Yasuo Noguchi ,  Yoshihiro Tsuchiya ,  Masahisa Tamura ,  Tetsutaro Maruyama ,  Kazuichi Oe ,  Takashi Watanabe ,  Tatsuo Kumano

    IPC分类号： G06F12/02

    CPC分类号： G06F3/0653 ,  G06F3/061 ,  G06F3/0635 ,  G06F3/067

    摘要： In a computer for executing processing based on a storage management program, a management information storing unit designates, from the data blocks having the same content, main-data used as an access destination and sub-data used as a backup, and stores management information that registers storage nodes as allocation destinations of the respective main-data and sub-data; a load information collecting unit continuously collects load information on the storage nodes; a replacement object detecting unit detects a pair of the main-data and the sub-data having the same content and having a predetermined condition such that a load difference between the allocation destination of the main-data and that of the sub-data exceeds a predetermined allowable value; and a management information updating unit replaces roles of the main-data and the sub-data between the detected pair of data blocks.

    摘要翻译： 在用于执行基于存储管理程序的处理的计算机中，管理信息存储单元从具有相同内容的数据块指定用作访问目的地的主数据和用作备份的子数据，并且存储管理信息 其将存储节点注册为相应主数据和子数据的分配目的地; 负载信息收集单元连续收集存储节点上的负载信息; 替换对象检测单元检测具有相同内容并具有预定条件的一对主数据和子数据，使得主数据的分配目的地与子数据的分配目的地之间的负载差异超过 预定允许值; 并且管理信息更新单元替换检测到的一对数据块之间的主数据和子数据的角色。

    Disk array apparatus, data distribution and management method, and data distribution and management program
    9.
    发明授权
    Disk array apparatus, data distribution and management method, and data distribution and management program 有权
    磁盘阵列设备，数据分发和管理方法，数据分发与管理程序

    公开(公告)号：US08234446B2

    公开(公告)日：2012-07-31

    申请号：US12636268

    申请日：2009-12-11

    申请人： Yasuo Noguchi ,  Kazutaka Ogihara ,  Masahisa Tamura ,  Yoshihiro Tsuchiya ,  Tetsutaro Maruyama ,  Takashi Watanabe ,  Tatsuo Kumano ,  Kazuichi Oe

    发明人： Yasuo Noguchi ,  Kazutaka Ogihara ,  Masahisa Tamura ,  Yoshihiro Tsuchiya ,  Tetsutaro Maruyama ,  Takashi Watanabe ,  Tatsuo Kumano ,  Kazuichi Oe

    IPC分类号： G06F12/00

    CPC分类号： G06F11/1076 ,  G06F2211/104

    摘要： A parity-data generating unit generates, in response to a write request containing update data, updated parity data in the parity group to which the update data belongs. A time-series-information generating unit generates time-series information indicating an anteroposterior relationship during writing between the update data and existing data stored in the unit storage area to which the update data is to be written. A time-series-information adding unit adds the time-series information, generated in response to the write request, to the update data as certification time-series information and that adds comparison time-series information to the updated parity data in association with the update data, the comparison time-series information having the same value as the certification time-series information. A writing unit distributes and writes, to the multiple storage devices, the update data to which the certification time-series information is added and the updated parity data to which the comparison time-series information is added.

    摘要翻译： 奇偶校验数据生成单元响应于包含更新数据的写入请求，生成更新数据所属的奇偶校验组中的更新奇偶校验数据。 时间序列信息生成单元生成指示更新数据与存储在更新数据要被写入的单位存储区域中的现有数据之间的写入期间的前后关系的时间序列信息。 时间序列信息添加单元将作为响应于写入请求生成的时间序列信息添加到作为认证时间序列信息的更新数据，并且将比较时间序列信息与更新的奇偶校验数据相关联地将比较时间序列信息与 更新数据，比较时间序列信息具有与认证时间序列信息相同的值。 写入单元向多个存储设备分发并添加添加有认证时间序列信息的更新数据和添加了比较时间序列信息的更新的奇偶校验数据。