Patent ID: 6625625
Filing Date: 2003-09-23
Classification: G06F,Y10S

Abstract:
A data back-up system in an information processing system including a plurality of information processing apparatuses and their corresponding storage means, wherein at lease one of said plurality of information processing apparatuses, comprising:means for storing location information, where said location information corresponds to data stored in each of said apparatuses subject to backup; means for obtaining said data subject to backup stored in each corresponding apparatus; means for detecting a data portion common among said apparatuses subject to back up and a data portion unique to each of said apparatuses subject to backup, based on said location information, and the data obtained from the respective apparatuses; a first storage means for storing the detected common data portion and a second storage means for storing the detected unique data portion; and means for restoring a memory failure in a respective apparatus by retrieving said common data portions and said unique data portions corresponding to said respective apparatus.