Patent ID: 7441082
Filing Date: 2008-10-21
Classification: H04L

Abstract:
1. A system, wherein, a plurality of computers, each computer including a processor, a storage area and a memory storing a first program and a table of initial setting information; and a storage device connected to said plurality of computers; wherein: one of said plurality of computers is adapted to set a predetermined threshold value and data type for data to be transmitted from said plurality of computers to said storage device in said table, said storage device further includes a control unit having a cache memory, and a disk device, said storage area temporarily saves data to be transmitted to said storage device, said plurality of computers are adapted to determine whether or not to transmit in-advance information on the basis that said data to be sent exceeds said predetermined threshold value and has a type which is the same as said data type by said processors executing said first program, said information notifying that said computer will perform said data transmission, and said control unit of said storage device is adapted to judge, when having received said in-advance information, whether or not an available area for said data to be transmitted exists within said cache memory, and, if said available area does not exist, to acquire said available area for said data to be transmitted via said data transmission specified by said in-advance information by executing a second program stored inside said storage device, said table of initial setting information includes DB data and a check point for said data type; said table of initial setting information includes threshold values for a writing-out condition for said data; and said table of initial setting information includes an in-advance notice setting condition of threshold values which are determined with regard to said writing-out condition for said data.