Dell PowerVault MD1120 Bedienungsanleitung

www.dell.com | support.dell.com

Dell™ PowerVault™

MD1120 Storage Enclosure

Hardware Owner’s Manual

Notes, Notices, and Cautions

NOTE: A NOTE indicates important information that helps you make better use of

your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data

and tells you how to avoid the problem.

CAUTION: A CAUTION indicates a potential for property damage, personal injury,

or death.

____________________

Information in this document is subject to change without notice.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly

forbidden.

Trademarks used in this text: Dell, the DELL logo, PowerEdge, PowerVault, and OpenManage are

trademarks of Dell Inc.; Microsoft and Windows are either trademarks or registered trademarks of

Microsoft Corporation in the United States and/or other countries.

Other trademarks and trade names may be used in this document to refer to either the entities claiming

the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and

trade names other than its own.

Model AMT

February 2008 Rev. A00

Contents 3

Contents

1 About Your System. . . . . . . . . . . . . . . . . . . 7

Other Information You May Need . . . . . . . . . . . . . 7

Indicators on the Enclosure Bezel . . . . . . . . . . . . 8

Front-Panel Indicators and Features . . . . . . . . . . . 9

Physical Disk Carrier LED Indicators . . . . . . . . 11

Back-Panel Indicators and Features . . . . . . . . . . 13

Enclosure Management Module (EMM) . . . . . . 14

Enclosure Failover When Two EMMs Are Installed 18

EMM Thermal Shutdown . . . . . . . . . . . . . . 18

Power Supply and Cooling Fan Features . . . . . . . . 18

Enclosure Alarms . . . . . . . . . . . . . . . . . . . . 20

2 Operating Your Storage Enclosure . . . . . 21

Before You Begin . . . . . . . . . . . . . . . . . . . . 21

Cabling Your Enclosure for Unified or Split Mode . . . 21

Connecting the Enclosure . . . . . . . . . . . . . . . . 22

Changing Your Enclosure’s Operating Mode . . . . . . 25

Managing Your Storage Enclosure . . . . . . . . . . . 26

Downloading Firmware . . . . . . . . . . . . . . . . . 26

4Contents

3 Installing Enclosure Components . . . . . 27

Recommended Tools . . . . . . . . . . . . . . . . . . . 27

Removing and Replacing the Front Bezel . . . . . . . . 27

Removing and Installing Physical Disks . . . . . . . . 28

Removing Physical Disks from the Enclosure . . . 29

Installing Physical Disks in the Enclosure . . . . . 30

Removing and Installing an EMM . . . . . . . . . . . . 32

Removing an EMM . . . . . . . . . . . . . . . . . 33

Installing an EMM. . . . . . . . . . . . . . . . . . 34

Installing an EMM Module Cover in an Empty Bay . . . 34

Installing and Removing an EMM Module Cover. . 34

Removing and Installing the Power Supply/Cooling

Fan Module. . . . . . . . . . . . . . . . . . . . . . . . 35

Removing a Power Supply/Cooling Fan Module . . 36

Installing a Power Supply/Cooling Fan Module . . 37

Removing and Installing the Control Panel . . . . . . . 37

Removing the Control Panel . . . . . . . . . . . . 37

Installing the Control Panel . . . . . . . . . . . . . 39

Removing and Installing the Midplane . . . . . . . . . 39

4 Troubleshooting Your Enclosure . . . . . . 43

Safety First—For You and Your Enclosure. . . . . . . . 43

Start-Up Routine . . . . . . . . . . . . . . . . . . . . . 43

Troubleshooting a Loss of Communication Condition. . 43

Troubleshooting External Connections . . . . . . . . . 45

Contents 5

Troubleshooting a Wet Enclosure . . . . . . . . . . . . 46

Troubleshooting a Damaged Enclosure . . . . . . . . . 46

Troubleshooting Power Supplies . . . . . . . . . . . . 47

Troubleshooting Enclosure Cooling Problems . . . . . 48

Troubleshooting a Fan . . . . . . . . . . . . . . . 48

Troubleshooting Physical Disks . . . . . . . . . . . . . 49

Troubleshooting Enclosure Connections . . . . . . . . 51

5 Getting Help. . . . . . . . . . . . . . . . . . . . . . . 53

Contacting Dell . . . . . . . . . . . . . . . . . . . . . 53

Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

6Contents

About Your System 7

About Your System

The enclosure provides a 2-U rack-mounted external storage chassis capable

of accommodating up to 24 2.5-inch, 3.0-Gbps Serial-Attached SCSI (SAS)

physical disks. The enclosure can be daisy-chained with up to two additional

enclosures to provide up to 72 physical disks per host connection. Host-based

RAID configuration is supported via a Dell

™

PowerEdge

™

Expandable RAID

Controller (PERC) 6/E adapter.

Other Information You May Need

NOTE: Importent safety and regulatory information is provided in separate

document(s). Warranty information may be included within this document or as a

separate document.

• The

Rack Installation Guide

Rack Installation Instructions

included

with your rack solution describes how to install your

enclosure

into a rack.

• The

Getting Started Guide

provides an overview of

enclosure

features,

setting up your

enclosure

, and technical specifications.

• The

Dell OpenManage Server Administrator

documentation

provides

information on managing your storage solution using the storage

management service within the server administrator.

NOTE: Online configuration, enclosure status, and active event notification

require Server Administrator version 5.4 or later.

• CDs or DVDs included with your

enclosure

provide documentation and

tools for configuring and managing your

enclosure

• Documentation for any components you purchased separately provides

information to configure and install these options.

• RAID controller documentation.

• Updates are sometimes included with the

enclosure

to describe changes to

the

enclosure

, software, and/or documentation.

NOTE: Always check for updates on support.dell.com and read the updates

first because they often supersede information in other documents.

8About Your System

• Release notes or readme files may be included to provide last-minute

updates to the system or documentation or advanced technical reference

material intended for experienced users or technicians.

Indicators on the Enclosure Bezel

An optional locking bezel can be installed on the front of the enclosure to

limit access.

Figure 1-1 illustrates the indicators and components on the bezel.

Table 1-1 lists conditions indicated by the lights on the bezel.

For information

on installing and removing the bezel, see "Removing and Replacing the Front

Bezel

" on page 27

Figure 1-1. LEDs on the Front Bezel

1 23

About Your System 9

Table 1-1. Front Bezel Indicators

Front-Panel Indicators and Features

Figure 1-2 shows the LED indicators and components on the

enclosure

’s front

panel (optional locking bezel not shown). Table 1-2 lists the conditions and

functions indicated by each.

Item LED Indicator LED Icon Condition

1 Split mode (green) When lit, indicates the enclosure is in split

mode; otherwise, the enclosure is in unified

mode. For more information on both modes,

see "Unified Mode and Split Mode" on

page 16.

2 Power (green) When lit, at least one power supply is

supplying power to the enclosure.

3 Enclosure status

(blue/amber)

Steady amber: Power is on and enclosure is in

reset state

Steady blue: Power is on and enclosure status

is OK.

Flashing blue: Host server is identifying the

enclosure.

Flashing amber: Enclosure is in fault state.

10 About Your System

Figure 1-2. Front-Panel Features

1 split-mode LED 2 power LED

3 enclosure status LED 4 physical disk activity LED

5 physical disk status LED 6 physical disks (24)

7 enclosure mode switch

Table 1-2. Front-Panel Components

Component Icon Condition

Enclosure status LED

(blue/amber)

Steady amber: Power is on and enclosure is in

reset state.

Steady blue: Power is on and enclosure status

is OK.

Flashing blue: Host server is identifying the

enclosure.

Flashing amber: Enclosure is in fault state.

Power LED (green) When lit, at least one power supply is

supplying power to the enclosure.

3 4

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