Patent ID: 6499056
Filing Date: 2002-12-24
Classification: G06F

Abstract:
A data transfer method in a computer system including first and second host computers each having first and second interfaces, said first and second interfaces being separate from each other, a network coupled to said first interface of said first host computer and said first interface of said second host computer, and a storage subsystem coupled to said second interface of said first host computer and said second interface of said second host computer, said method of controlling data transfer comprising the steps of:writing, by said first host computer through said second interface of said first host computer, data as an object of transfer to said storage subsystem; sending from said first host computer, through said first interface of said first host computer, said network, and said first interface of said second host computer, to said second host computer a message which includes information about said data as an object of transfer written to said storage subsystem; and reading out, by said second host computer through said second interface of said second host computer, said data as an object of transfer from said storage subsystem after said second host computer receives said message from said first host computer through said first interface of said second host computer.