×

Disk array apparatus, information processing apparatus, data management system, method for issuing command from target side to initiator side, and computer product

  • US 20060112220A1
  • Filed: 02/25/2005
  • Published: 05/25/2006
  • Est. Priority Date: 11/22/2004
  • Status: Active Grant
First Claim
Patent Images

1. A method of issuing a command from a target to an initiator in a system that includes an information processing apparatus that has a host bus adaptor with only an initiator function to issue the command, and a disk array apparatus that has a channel adaptor with only a target function to receive and execute the command, the information processing apparatus and the disk array apparatus being connected via a communication line, comprising:

  • polling including the information processing apparatus transmitting a status verifying message to the disk array apparatus to verify a status of the disk array apparatus;

    preparing including the disk array apparatus preparing, upon receiving the status verifying message, a response message by attaching a request for a command of a process to be executed to the status verifying message;

    transmitting including the disk array apparatus transmitting the response message to the information processing apparatus; and

    creating including the information processing apparatus creating a command based on the request attached to the response message; and

    transmitting including the information processing apparatus transmitting the command created to the disk array apparatus.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×