Patent ID: 7089347

Claim:
A performance management method provided for a computer system having a computer for executing a program and a storage apparatus for storing data used in execution of said program, said performance management method comprising: a procedure ( 1 ) for acquiring information on a performance required for said program; a procedure ( 2 ) for acquiring mapping information of said data used in execution of said program from said computer and said storage apparatus; a procedure ( 3 ) for acquiring utilization statistic information from said storage apparatus; a procedure ( 10 ) for creating a plan to change settings of said storage apparatus by using said information acquired by said procedures ( 1 ) to ( 3 ); and a procedure ( 11 ) for issuing a request for a setting change according to said plan to change settings to said storage apparatus, wherein said procedure ( 1 ) includes a process for acquiring a processing execution time required for said program and estimating a processing execution time and the amount of data supplied to said program as an input.