Patent ID: 8230169
Filing Date: 2012-07-24
Classification: G01K,G06F,Y02D

Abstract:
1. An electronic apparatus including a plurality of hard disk drives having a standby state and an active state as power application state, comprising: a drive setting portion to set each of the plurality of hard disk drives to a cache hard disk drive or a storage hard disk drive so as to use one hard disk drive in the active state as a cache hard disk drive and use a remaining hard disk drive as a storage hard disk drive; a power control portion to control application of power to each of the hard disk drives according to setting by the drive setting portion; and a temperature measuring portion to measure a temperature of each of the plurality of hard disk drives, wherein during operation the drive setting portion sets a hard disk drive among the plurality of hard disk drives at a lowest temperature measured at a first time by the temperature measuring portion to a cache hard disk drive and sets a hard disk drive among the plurality of hard disk drives including the hard disk drive set to the cache hard disk drive at a second lowest temperature measured at a second time after the first time by the temperature measuring portion to a storage hard disk drive.