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Disk control system and control method of disk control system

  • US 7,127,583 B2
  • Filed: 07/07/2005
  • Issued: 10/24/2006
  • Est. Priority Date: 02/04/2003
  • Status: Expired due to Term
First Claim
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1. 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 first step of receiving a process command for a logical unit to which no logical device has been assigned;

    a second step of assigning to said logical unit a logical device when a process command has been received for said logical unit which requires data transfer with said logical unit; and

    a third step of performing said process command with regard to said logical device assigned in said second step.

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