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    • 85. 发明申请
    • STORAGE CONTROLLER AND METHOD FOR CONTROLLING THE SAME
    • 存储控制器及其控制方法
    • US20100017577A1
    • 2010-01-21
    • US12568949
    • 2009-09-29
    • Takeo FUJIMOTOToshio Nakano
    • Takeo FUJIMOTOToshio Nakano
    • G06F12/02G06F12/00G06F12/16
    • G06F3/0608G06F3/0665G06F3/067
    • A storage controller facilitating extending storage capacity while suppressing investment related to storage capacity is provided. System configuration information, including content of a definition of a virtual volume having a storage capacity that is larger than a real storage capacity including the storage capacity of a storage device unit, and content of a definition of at least one of a real volume formed by dividing the real storage capacity, and a pool area, is stored. Based on the system configuration information, relevant data is written to or read from an address position in the storage device unit in response to a data input/output request from the host system designating an address in the real volume, and data is written to or read from the pool area in response to a data input/output request from the host system designating an address in the virtual volume other than the real volume.
    • 提供了一种便于扩展存储容量的存储控制器,同时抑制与存储容量有关的投资。 系统配置信息,包括具有大于包括存储设备单元的存储容量的实际存储容量的存储容量的虚拟卷的定义的内容,以及由存储设备单元的存储容量中的至少一个定义的内容,以及由 存储实际存储容量和池区域。 基于系统配置信息,响应于来自主机系统的指定实际卷中的地址的数据输入/输出请求,相关数据被写入或从存储设备单元中的地址位置读取,并且数据被写入或 从池区域读取响应来自主机系统的数据输入/输出请求,指定除了实际卷之外的虚拟卷中的地址。
    • 90. 发明申请
    • Storage controller and method for controlling the same
    • US20060282641A1
    • 2006-12-14
    • US11214002
    • 2005-08-30
    • Takeo FujimotoToshio Nakano
    • Takeo FujimotoToshio Nakano
    • G06F12/00
    • G06F3/0608G06F3/0665G06F3/067
    • An object of the present invention is to provide a storage controller capable of facilitating extension of storage capacity while suppressing investment related to storage capacity. The present invention has achieved the storing of system configuration information including content of a definition, set externally, of a virtual volume with storage capacity that is larger than a real storage capacity composed of the storage capacity of a storage device unit, and content of a definition, set externally, of at least one of a real volume formed as a result of dividing the real storage capacity, and a pool area; and communicating the storage capacity of the virtual volume based on the stored system configuration information in response to a storage capacity confirmation request from the host system, and, based on the system configuration information, writing or reading relevant data to or from a relevant address position in the storage device unit in response to a data input/output request from the host system designating an address in the real volume, and writing or reading relevant data to or from the pool area in response to a data input/output request from the host system designating an address in the virtual volume other than the real volume.