Patent ID: 6633904
Filing Date: 2003-10-14
Classification: G06F,Y10S

Abstract:
A fast data exchanging system between a first computer and a second computer of which the operating systems and the data layout method on an external storing device for each file are different from each other, and a file created by the operating system of the first computer is sent from the first computer to the second computer, comprising:means for extracting extent information showing file location information on the external storing device by accessing directly the external storing device without depending the operating system; means for analyzing input-output request from the operating system and accessing the external storing device with program to implement input or output of the external storing device based on the file location information; means for requesting to another computer an extent information managed by an operating system of the another computer and receiving the extent information; wherein the second computer requests from the first computer the extent information of a first file of the first computer, the first computer extracts the extent information and sends the extent information to the second computer, and further the second computer makes a second file of the same size as the first file on the external storing device based on the extent information, and with the second computer accessing the external storing device, the file data of the first file is copied to the second file directly on the external storing device.