Patent ID: 7188095
Filing Date: 2007-03-06
Classification: G06F,Y10S

Abstract:
1. A method for controlling a storage system including a plurality of host computers, a first storage control device having a first storage device, a second storage control device having a second storage device coupled to said first storage control device, and a computer coupled to said plurality of host computers, said first storage control device, and said second storage control device, wherein said first storage control device is provided with a file system for receiving a data input/output request using file identifier assignment to be sent from at least one of said plurality of host computers and for executing data input/output processing to said first storage device in response to said request thus received, wherein a first file storage region accessible for each of said host computers is kept on a storage region of said first storage device provided in said first storage control device, wherein said computer executes the control method comprising: wherein said second storage control device with another file system is such that a second file storage region for use as a copy source of the file to be stored in said first file storage region is kept on a storage region of said second storage device equipped by itself, and wherein, replicating files from said second file storage region to said first file storage region, said computer executes the control method further comprising: