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    • 4. 发明授权
    • Disk cache control unit
    • 磁盘缓存控制单元
    • US5369751A
    • 1994-11-29
    • US721928
    • 1991-06-21
    • Kosaku KambayashiKatsunori NakamuraTakao SatohYoshihiro AsakaTeruo Nagasawa
    • Kosaku KambayashiKatsunori NakamuraTakao SatohYoshihiro AsakaTeruo Nagasawa
    • G06F12/08G06F3/06G06F13/00
    • G06F12/0866
    • A disk cache control unit disposed between an upper-rank processor and a disk unit, comprising a cache memory for holding a copy of data stored in the disk unit, at least one first interface controller which checks, in response to an input/output command requesting data to be read from the upper-rank processor, whether or not the data requested by the command is stored in the cache memory, and requests a head positioning of the disk unit when the data is not stored in the cache memory, and a second interface controller which indicates head positioning to the disk unit in response to a head positioning request, notifies the completion of the head positioning to the first interface controller in response to a notice of the completion of the head positioning, and which reads data from the disk unit and stores the data in the cache memory when a data transfer request did not come in a specified time period set to read data from the disk unit without a rotational delay after a notice of the head positioning head been given to the first interface controller and the subsequent transfer of data from the second interface controller had been completed, and which gives a notice of storage of the data in the cache memory through memory means to the first interface controller, and in response to this storage notice, the first interface controller reads the data from the cache memory and transfers the data to the upper-rank processor.
    • 布置在高级处理器和盘单元之间的盘缓存控制单元,包括用于保存存储在盘单元中的数据的副本的高速缓存存储器,至少一个第一接口控制器,其响应于输入/输出命令 请求数据从高级处理器读取,无论命令所请求的数据是否存储在高速缓冲存储器中,并且当数据未存储在高速缓冲存储器中时请求磁盘单元的磁头定位, 第二接口控制器,其响应于头部定位请求指示到盘单元的头部定位,响应于头部定位的完成的通知,将头部定位的完成通知给第一接口控制器,并且从第 磁盘单元,并且当数据传输请求没有进入设置为在没有旋转延迟的情况下从盘单元读取数据的指定时间段内时,将数据存储在高速缓冲存储器中 头部定位头已经被提供给第一接口控制器,并且随后从第二接口控制器传送数据已经完成,并且通过存储器装置将数据存储在高速缓冲存储器中通知给第一接口控制器,并且在 响应于该存储通知,第一接口控制器从高速缓冲存储器读取数据并将数据传送到高级处理器。
    • 9. 发明申请
    • Storage controller and controlling method therefor
    • 存储控制器及其控制方法
    • US20090013112A1
    • 2009-01-08
    • US12216086
    • 2008-06-30
    • Kosaku KambayashiDai Taninaka
    • Kosaku KambayashiDai Taninaka
    • G06F13/42
    • G06F3/0604G06F3/0632G06F3/067
    • A storage controller that performs user-friendly information display, simplifies updating of support information, has external storage controllers to provide sufficient input/output performance, and expands the range of external storage controllers to be supported; and a controlling method for that storage controller. The storage controller includes a code extract/convert unit for converting a first code indicating a vendor name and/or device name of an external storage controller, obtained based on inquiry data transmitted from the external storage controller, into a second code indicating a real vendor name and/or real device name of the external storage controller. The storage controller creates support information that compiles information of each model regarding whether or not it can be connected to the respective external storage controllers. Furthermore, a path control system and a timeout time can be set for the respective external storage controllers.
    • 一种执行用户友好的信息显示的存储控制器,简化了支持信息的更新,外部存储控制器提供足够的输入/输出性能,并扩展了要支持的外部存储控制器的范围; 以及该存储控制器的控制方法。 存储控制器包括代码提取/转换单元,用于将指示供应商名称和/或外部存储控制器的设备名称的第一代码转换为指示真实供应商的第二代码,所述外部存储控制器基于从外部存储控制器发送的查询数据而获得 外部存储控制器的名称和/或实际设备名称。 存储控制器创建支持信息,编译每个模型的信息是否可以连接到相应的外部存储控制器。 此外,可以为各个外部存储控制器设置路径控制系统和超时时间。