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    • 7. 发明授权
    • Disk array apparatus and disk array apparatus control method
    • 磁盘阵列设备和磁盘阵列设备控制方法
    • US07577788B2
    • 2009-08-18
    • US11376121
    • 2006-03-16
    • Akira MurotaniAtsushi IshikawaTetsuya Kishimoto
    • Akira MurotaniAtsushi IshikawaTetsuya Kishimoto
    • G06F12/00
    • G06F11/1461G06F11/1451G06F11/1456G06F11/1469G06F11/1471G06F2201/80
    • A journal write unit writes journal data into a third storage device. The journal data includes an identifier of a logical volume in a first storage device into which data has been written, information of a location in which the data is stored in the logical volume, update time which is current time acquired from a timing mechanism, and the data. A second write unit refers to update time of the journal data stored in the third storage device, selects journal data for which a difference between current time acquired from the timing mechanism and the update time is longer than a detection time stored in the third storage device, and writes the data into a place indicated by the location information, in a logical volume in the second storage device in the order of update time in the selected journal data.
    • 日志写入单元将日志数据写入第三个存储设备。 日志数据包括在其中写入了数据的第一存储设备中的逻辑卷的标识符,数据存储在逻辑卷中的位置的信息,从定时机制获取的当前时间的更新时间,以及 数据。 第二写入单元是指存储在第三存储装置中的日志数据的更新时间,选择从定时机制获取的当前时间与更新时间之间的差比存储在第三存储装置中的检测时间长的日志数据 并且以所选择的日志数据中的更新时间的顺序将数据写入到由位置信息指示的位置处于第二存储设备中的逻辑卷中。
    • 8. 发明授权
    • Disk array apparatus and disk array apparatus control method
    • 磁盘阵列设备和磁盘阵列设备控制方法
    • US07925831B2
    • 2011-04-12
    • US12458393
    • 2009-07-10
    • Akira MurotaniAtsushi IshikawaTetsuya Kishimoto
    • Akira MurotaniAtsushi IshikawaTetsuya Kishimoto
    • G06F12/00
    • G06F11/1461G06F11/1451G06F11/1456G06F11/1469G06F11/1471G06F2201/80
    • A journal write unit writes journal data into a third storage device. The journal data includes an identifier of a logical volume in a first storage device into which data has been written, information of a location in which the data is stored in the logical volume, update time which is current time acquired from a timing mechanism, and the data. A second write unit refers to update time of the journal data stored in the third storage device, selects journal data for which a difference between current time acquired from the timing mechanism and the update time is longer than a detection time stored in the third storage device, and writes the data into a place indicated by the location information, in a logical volume in the second storage device in the order of update time in the selected journal data.
    • 日志写入单元将日志数据写入第三个存储设备。 日志数据包括在其中写入了数据的第一存储设备中的逻辑卷的标识符,数据存储在逻辑卷中的位置的信息,从定时机制获取的当前时间的更新时间,以及 数据。 第二写入单元是指存储在第三存储装置中的日志数据的更新时间,选择从定时机制获取的当前时间与更新时间之间的差比存储在第三存储装置中的检测时间长的日志数据 并且以所选择的日志数据中的更新时间的顺序将数据写入到由位置信息指示的位置处于第二存储设备中的逻辑卷中。