Environmental Burden Reduction; Eco-Mode; Figure 3.14 Eco-Mode Overview - Fujitsu ETERNUS DX500 S3 Overview

Chapter 3 Basic Functions
3.5

Environmental Burden Reduction

3.5 Environmental Burden Reduction
The ETERNUS DX has energy and power savings that reduce CO2 emissions and lessen the burden on the
environment.
3.5.1

Eco-mode

Eco-mode is a function that reduces power consumption for limited access disks by stopping the disks rota-
tion during specified periods or by powering off the disks.
An overview of the Eco-mode is shown below.

Figure 3.14 Eco-mode Overview

Working phase
(12:00 to 24:00)
SAS disks
Nearline SAS disks
Disks stopped
Disk spin-up
12
Off
PM
Backup
FUJITSU Storage ETERNUS DX500 S3/DX600 S3 Disk storage system Overview
Copyright 2015 FUJITSU LIMITED
Backup phase Disk spin-down
12
Off On
5
AM
(0:00 to 5:00)
SAS disks
Nearline SAS disks
Disks spinning
Control linked to operation
45
Working phase
12
Off
AM
(5:00 to 12:00)
SAS disks
Nearline SAS disks
Disks stopped
P3AM-7702-14ENZ0