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    • 57. 发明申请
    • Storage control apparatus, storage control program, and storage control method
    • 存储控制装置,存储控制程序和存储控制方法
    • US20070294495A1
    • 2007-12-20
    • US11589181
    • 2006-10-30
    • Koji UchidaHideaki OmuraYasuhito Arikawa
    • Koji UchidaHideaki OmuraYasuhito Arikawa
    • G06F12/16
    • G06F11/1451G06F11/1456G06F11/1469
    • Disclosed are a storage control apparatus, a storage control program, and a storage control method that collect the backup of storage data in units of generation at low cost.A storage control apparatus that creates a generation backup of a storage, comprising: a first copy section that creates a snapshot of at least one of all data stored in the storage at an indicated time point and difference data stored in the storage in an indicated time period; a second copy section that creates a mirror of at least one of all data stored in the storage and difference data stored in the storage in an indicated time period; and a controller that causes one of the first and second copy sections to copy all data stored in the storage and causes the other to copy difference data between generations stored in the storage.
    • 公开了以低成本生成为单位收集存储数据的备份的存储控制装置,存储控制程序和存储控制方法。 一种创建存储器的生成备份的存储控制装置,包括:第一复制部分,在指定的时间点创建存储在所述存储器中的所有数据中的至少一个的快照,以及在指示的时间内存储在所述存储器中的差异数据 期; 第二复制部,其在指定的时间段中创建存储在存储器中的所有数据和存储在存储器中的差异数据中的至少一个的镜像; 以及控制器,其使得所述第一和第二复制部分中的一个复制存储在所述存储器中的所有数据,并且使另一个复制存储在所述存储器中的代数之间的差异数据。
    • 59. 发明申请
    • Data mirroring method
    • 数据镜像方式
    • US20070146788A1
    • 2007-06-28
    • US11529394
    • 2006-09-29
    • Yoshinari ShinozakiHideaki OmuraKoji UchidaMihoko Wada
    • Yoshinari ShinozakiHideaki OmuraKoji UchidaMihoko Wada
    • G06K15/00
    • G06F11/2082G06F11/2071
    • A copy source device includes bit map acquisition and bit map merge functions. In accordance with bit-map management information in which a bit map indicating the presence of written data is rounded, the bit map acquisition and bit map merger acquires required bit map from a copy destination device, and merges the acquired bit map to a corresponding bit map of the copy source device. The copy destination device includes bit-map management information updater. The bit-map management information updater updates bit-map management information indicating a write operation when the write operation has been performed during a copy suspend mode. During a copy resume mode, the copy source device requests the copy destination device to transfer the bit-map management information, and in response, the copy destination device transfers the bit-map management information.
    • 复制源设备包括位图获取和位图合并功能。 根据位图映射管理信息,其中指示写入数据的存在的位图被舍入,位图获取和位图合并从复制目的地设备获取所需的位图,并将所获取的位图合并到相应的位 复制源设备的映射。 复制目的地设备包括位图管理信息更新器。 位图管理信息更新器更新在复制暂停模式期间执行写入操作时指示写入操作的位图管理信息。 在复制恢复模式期间,复制源设备请求复制目的地设备传送位图管理信息,并且作为响应,复制目的地设备传送位图管理信息。