Patent ID: 7426646
Filing Date: 2008-09-16
Classification: G06F,Y02D

Abstract:
1. A computer system, comprising: a plurality of computers; a storage apparatus having a plurality of hard disk units and being connected to the plurality of computers; and a system management apparatus connected to the plurality of computers and the storage apparatus, wherein the storage apparatus controls a data write operation and a data read operation between the computers and the hard disk units, and controls on/off states of a plurality of power supplies of the plurality of hard disk units on a group basis with the group including one or more hard disk units, and wherein the system management apparatus collects running information about the plurality of computers and computer execution job information for each computer, and determines an on/off time of the power supplies of the plurality of hard disk units on the group basis to record the collected information and the on/off time of the power supplies on the group basis.