Patent ID: 7035882
Filing Date: 2006-04-25
Classification: G06F,Y10S

Abstract:
1. A method for exercising file storage destination volume control in a file system in which data are selectively stored on a plurality of volumes in compliance with a file storage request from a business application, said method comprising: calculating, by a processor in the file system, storage requirements including reliability characteristics or performance characteristics which are the storage requirements for a specific file for requested storage; selecting, by the processor in the file system, an actual file storage destination volume in accordance with the calculated storage requirements and the reliability characteristics or performance characteristics of each volume; and storing the file on the selected storage destination volume; wherein said selecting comprises inquiring of each volume the volume type information, using the volume type information derived from the inquiry as the key to search for the predefined information about the relationship between the volume type information and the reliability characteristics and performance characteristics of each volume, calculating the reliability characteristics and performance characteristics of each volume, and calculating, upon a file storage request, a storage destination volume by referring to said calculated reliability characteristics and performance characteristics of each volume and the storage requirements for the file requested for storage.