Patent ID: 9418014
Filing Date: 2016-08-16
CPC Classification: G06F,Y02D

Claim Text:
1. A storage control device configured to control a storage device including a first disk which is in active state and a second disk which is in standby state, the storage control device comprising: a communication unit configured to transmit a read-out request or a write request to the storage device and receives a response to the read-out request or the write request from the storage device; and a control unit configured to control the communication unit so that the communication unit transmits a rotation start command which instructs a start of rotation of the second disk to the storage device, when a first time period, which is measured from when the read-out request or the write request is transmitted to the first disk which is in active state until when the response is received from the first disk, is longer than a predetermined threshold, after the start of rotation of the second disk, the control unit being configured to control the communication unit so that the communication unit transmits an access stop command which instructs a stop of access to the first disk by the storage device, when an error of the first disk is detected, and the control unit being configured to control the communication unit so that the communication unit transmits a rotation stop command which instructs a stop of rotation of the second disk to the storage device, when the error of the first disk is not detected, wherein the predetermined threshold is shorter than a period of judging the error of the first disk which is in active state.