Powering Off The Storage System - Hitachi E590 Hardware Reference Manual

Procedure

1. Turn ON all the breakers to the storage system.

2. Press the main switch on the controller chassis for three seconds until the POWER LED

changes from amber to green.

3. Wait for the storage system to complete its power-on self-test and bootup processes.

When the READY indicator is ON (green LED), the storage system is ready for use.

Use the following procedure to power off the storage system. The main switch on the

controller chassis is used to power off the storage system.

Before you begin

Ensure that all software-specific shutdown procedures have been completed. Refer to the

■

applicable user manuals for details.

Ensure that all I/O activity to the storage system has stopped. You can vary paths offline

■

and shut down the attached hosts.

Procedure

1. Press the main switch on the controller chassis for approximately three seconds until the

POWER LED on the front of the chassis changes from solid green to a blinking status.

2. Release the main switch and the POWER LED returns to solid green after blinking for

approximately three seconds.

The power-off process begins. The process takes approximately 18 minutes or longer

depending on the amount of data that needs to be written. The POWER LED is solid

green during the powering off process. The POWER LED changes from green to amber

when the process is completed.

3. Verify the POWER LED on the front of the storage system changes from green to amber.

4. To stop the power supply, remove the power cables from the power supply units on the

controller chassis and drive box.

If the storage system is connected to a PDU, you can stop the power supply by turning

off the PDU breaker.

Hitachi Virtual Storage Platform E590 and E790 Hardware Reference Guide

Note: The storage system will take approximately 13 minutes to finish

powering on.

Caution: If the ALARM indicator is also ON (red LED), or if the READY

indicator is not ON after 40 minutes, contact customer support for

assistance.

Note: If the storage system does not receive power for more than six

months, the battery can become discharged and possibly damaged. To

avoid this situation, charge the battery for more than three hours at least

once every six months.

Chapter 4: Turning storage system power on and off

Powering off the storage system

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