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    • 3. 发明授权
    • Disk control system and control method of disk control system
    • 磁盘控制系统及磁盘控制系统的控制方法
    • US07127583B2
    • 2006-10-24
    • US11177177
    • 2005-07-07
    • Yasuaki NakamuraAkinobu ShimadaHideo Tabuchi
    • Yasuaki NakamuraAkinobu ShimadaHideo Tabuchi
    • G06F12/02G06F9/50
    • G06F3/0631G06F3/0605G06F3/0644G06F3/0665G06F3/067G06F3/0689
    • In order to assign logical devices efficiently to logical units, a disk control system that receives a process command for writing or reading of data from an information processing device, and performs a write or read process of data with respect to a logical device corresponding to a logical unit specified by that process command, includes means for managing logical devices, which are logical storage regions that have been set in a storage region provided by a disk drive, means for storing a correspondence between logical units, which are storage regions that have been set logically, and the logical devices, and means for assigning, when a process command has been received for a logical unit to which no logical device has been assigned, a logical device to that logical unit and performing processing with regard to that logical device.
    • 为了将逻辑设备有效地分配给逻辑单元,磁盘控制系统接收用于从信息处理设备写入或读取数据的处理命令,并且执行与对应于逻辑单元的逻辑设备相关的数据的写入或读取处理 由该处理命令指定的逻辑单元包括用于管理逻辑设备的装置,逻辑设备是已经设置在由磁盘驱动器提供的存储区域中的逻辑存储区域,用于存储逻辑单元之间的对应的装置,所述逻辑单元是已经被存储的存储区域 逻辑设备,以及用于当已经为没有分配逻辑设备的逻辑单元接收到处理命令时,分配逻辑设备的逻辑设备,并且对该逻辑设备执行处理。