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US 7,127,583 B2Granted
Disk control system and control method of disk control system
AssigneeHitachi, Ltd.
InventorsYasuaki Nakamura, Akinobu Shimada, Hideo Tabuchi
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AssigneeHitachi, Ltd.
InventorsYasuaki Nakamura, Akinobu Shimada, Hideo Tabuchi
Estimating the term…
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.
A control method for a disk control system for managing, as units, logical devices, the logical devices being logical storage regions defined in a storage region provided by a disk drive, said disk control system further for storing a correspondence between said logical devices and logical units, said disk control system further for receiving a process command sent from an information processing device, said disk control system further for performing processing with respect to a logical device corresponding to the logical unit specified by said process command, the control method comprising:
A disk control system for managing, as units, logical devices which are logical storage regions that have been set in a storage region provided by a disk drive, the disk control system comprising:
Dependencies are inferred from the claim text.