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    • 6. 发明申请
    • MIRRORING CONTROLLER, STORAGE DEVICE, AND MIRRORING CONTROL METHOD
    • 反光控制器,存储设备和镜像控制方法
    • US20100205482A1
    • 2010-08-12
    • US12703941
    • 2010-02-11
    • Himiko Kaneko
    • Himiko Kaneko
    • G06F12/16G06F11/20
    • G06F11/2069G06F11/2046G06F11/2082G06F11/2087
    • A mirroring controller includes a copy controller that selects one memory from among the plurality of memories as a copy source memory and copies data from the copy source memory to at least one copy target memory; and an I/O mirroring controller that copies, when a read request to the copy source memory is issued from an upper layer during copying by the copy controller, data from an area corresponding to the read request to the copy target memory, wherein, when processing corresponding to the read request to the copy source memory from the upper layer results in an error at the copy source memory during the copying by the copy controller, the copy controller controls the copy source memory so as to become unusable, and controls at least one copy target memory so as to act as a memory.
    • 镜像控制器包括复制控制器,其从多个存储器中选择一个存储器作为复制源存储器,并将数据从复制源存储器复制到至少一个复制目标存储器; 以及I / O镜像控制器,当在复制控制器复制期间从上层发出对复制源存储器的读取请求时,从对应于读取请求的区域发送数据到复制目标存储器,其中,当 与复制源存储器相对应的读取请求的处理在复制控制器复制期间在复制源存储器处导致错误,复制控制器控制复制源存储器以使其变得不可用,并且至少控制 一个复制目标存储器,以充当存储器。