Hitachi 3080 G1 Application guide

Hitachi NAS Platform
3080 and 3090 G1 Hardware Reference
Release 13.0
MK-92HNAS016-10
October 2016

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Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

Contents
Preface ................................................................................................ 7
Related Documentation............................................................................................ 7
Accessing product documentation........................................................................... 10
Getting help...........................................................................................................10
Comments.............................................................................................................10
1 About this manual...........................................................................13
Audience............................................................................................................... 14
Conventions...........................................................................................................14
2 Safety information...........................................................................19
Electrostatic discharge precautions.......................................................................... 20
Safety and handling precautions..............................................................................20
Electrical precautions..............................................................................................21
Data protection precautions.................................................................................... 21
3 Mandatory regulations.....................................................................23
International standards...........................................................................................24
Federal Communications Commission (FCC)............................................................. 24
European Union (EU) Statement..............................................................................25
Canadian Department of Communication Compliance Statement............................... 25
Avis de conformité aux normes du ministère des Communications du Canada....... 26
Radio Protection for Germany................................................................................. 26
Food and Drug Administration (FDA)....................................................................... 26
Chinese RoHS Compliance Statement...................................................................... 26
4 System overview.............................................................................29
System components............................................................................................... 30
Server specifications...............................................................................................31
Attaching a rack stabilizer plate...............................................................................32
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5 Hitachi NAS Platform server components.......................................... 33
Introducing the Hitachi NAS Platform.......................................................................34
Ventilation............................................................................................................. 34
Front view of server............................................................................................... 34
NVRAM backup battery pack................................................................................... 36
Server rear panel................................................................................................... 37
Rear panel server LED and button locations........................................................39
Rear panel LED state descriptions...................................................................... 39
Power button (PWR)......................................................................................... 40
Reset button (RST)........................................................................................... 41
10 GbE Ports.................................................................................................... 41
10 Gigabit Ethernet cluster interconnect ports............................................... 41
10 Gigabit Ethernet customer data network ports.......................................... 42
GE Ethernet network ports ............................................................................... 43
10/100 private Ethernet ports............................................................................43
Fibre channel storage ports............................................................................... 44
Serial port .......................................................................................................45
Power supply units ...........................................................................................45
10/100/1000 Ethernet management ports.......................................................... 47
USB ports.........................................................................................................47
Management interfaces.....................................................................................48
RS-232 serial management port ........................................................................48
6 Replacing server components...........................................................49
Removing and replacing the front bezel................................................................... 50
Bezel removal........................................................................................................ 50
Replacing a fan...................................................................................................... 50
Replacing the NVRAM backup battery pack.............................................................. 52
Removing the battery pack from the caddy.........................................................52
Removing the battery pack: type 1 chassis ........................................................ 54
Inserting the new battery pack: type 1 chassis .................................................. 55
Removing the battery pack: type 2 chassis ........................................................ 57
Inserting the new battery pack: type 2 chassis................................................... 60
Collecting system backups and diagnostics......................................................... 62
Resetting the battery age and restarting the chassis monitor .............................. 63
Collecting a final diagnostic .............................................................................. 64
Replacing a hard disk............................................................................................. 65
Replacing a power supply unit.................................................................................67
7 Rebooting, shutting down, and powering off..................................... 69
Rebooting or shutting down a server....................................................................... 70
Rebooting or shutting down a cluster.......................................................................71
Restarting an unresponsive server...........................................................................72
Powering down the server for maintenance..............................................................73
Powering down the server for shipment or storage................................................... 74
Recovering from power standby.............................................................................. 75
8 Hard disk replacement.....................................................................77
Intended Audience................................................................................................. 79
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Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

Downtime considerations for hard disk replacement..................................................79
Requirements for hard disk replacement.................................................................. 80
Overview of the Procedure......................................................................................80
Accessing Linux on the server and node...................................................................81
Using the Serial (Console) Port.......................................................................... 81
Using SSH for an Internal SMU.......................................................................... 82
Using SSH for an External SMU..........................................................................82
Step1: Performing an Internal Drive Health Check.................................................... 83
Step 2: Gathering information about the server or node............................................88
Step 3: Backing up the server configuration............................................................. 90
Step 4: Locating the server.....................................................................................90
Step 5: Save the preferred mapping and migrate EVSs (cluster node only)................. 91
Step 6: Replacing a Server’s Internal Hard Disk........................................................ 93
Step 7: Synchronizing server’s new disk................................................................. 100
Step 8: Replacing the server’s second disk............................................................. 101
Step 9: Synchronizing the second new disk............................................................ 101
Step 10: Restore EVSs (cluster node only)..............................................................101
A Server replacement procedures..................................................... 105
Replacement procedure overview.......................................................................... 106
Requirements................................................................................................. 106
Swapping components.................................................................................... 106
Model selection...............................................................................................107
MAC ID and license keys................................................................................. 107
Previous backups............................................................................................ 107
Upgrades....................................................................................................... 108
Manually installing an internal SMU (if necessary) ..................................................108
Replacing a single server with an embedded SMU...................................................108
Obtaining backups, diagnostics, firmware levels, and license keys...................... 109
Shutting down the server you are replacing...................................................... 111
Configuring the replacement server..................................................................111
Finalizing and verifying the replacement server configuration............................. 113
Replacing a single server with an external SMU...................................................... 115
Obtaining backups, diagnostics, firmware levels, and license keys...................... 115
Shutting down the server you are replacing...................................................... 116
Configuring the replacement server..................................................................117
Finalizing and verifying the replacement server configuration............................. 119
Replacing a node within a cluster.......................................................................... 121
Capturing information from the existing node....................................................121
Preparing the new node.................................................................................. 122
Preparing the old node for removal.................................................................. 122
Installing the new node...................................................................................123
Finalizing and verifying the server configuration................................................ 123
Replacing all servers within a cluster......................................................................126
Obtaining backups, diagnostics, firmware levels, and license keys...................... 127
Shutting down the servers you are replacing.....................................................128
Configuring the replacement servers................................................................ 129
Finalizing and verifying the system configuration...............................................131
B Parts list for 3080/3090 G1 servers.................................................133
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Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

Preface
This manual provides an overview of the Hitachi NAS Platform and the Hitachi
Unified Storage File Module hardware. The manual explains how to install and
configure the hardware and software, and how to replace faulty components.
The following server models are covered: 3080 and 3090.
For assistance with storage arrays connected to the server, refer to the
Storage Subsystem Administration Guide.
Related Documentation
Release Notes provide the most up-to-date information about the system,
including new feature summaries, upgrade instructions, and fixed and known
defects.
Command Line References
The Command Line Reference provides information on the commands used to
manage your system, and includes relevant information on the operation of
your hardware and software. Depending on the model of your server or
cluster node, refer to the Command Line Reference that is appropriate for
your system.
•NAS Module Server Command Line Reference
•Command Line Reference for models 4060, 4080, and 4100
•Command Line Reference for models 3080 and 3090
Administration Guides
•System Access Guide (MK-92HNAS014)—Explains how to log in to the
system, provides information about accessing the NAS server/cluster CLI
and the SMU CLI, and provides information about the documentation, help,
and search capabilities available in the system.
•Server and Cluster Administration Guide (MK-92HNAS010)—Provides
information about administering servers, clusters, and server farms.
Includes information about licensing, name spaces, upgrading firmware,
monitoring servers and clusters, and backing up and restoring
configurations.
•Storage System User Administration Guide (MK-92HNAS013)—Explains
user management, including the different types of system administrator,
their roles, and how to create and manage these users.
•Network Administration Guide (MK-92HNAS008)—Provides information
about the server's network usage, and explains how to configure network
interfaces, IP addressing, name and directory services.
Preface 7
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

•File Services Administration Guide (MK-92HNAS006)—Explains about file
system formats, and provides information about creating and managing
file systems, and enabling and configuring file services (file service
protocols).
•Data Migrator Administration Guide (MK-92HNAS005) —Provides
information about the Data Migrator feature, including how to set up
migration policies and schedules.
•Storage Subsystem Administration Guide (MK-92HNAS012)—Provides
information about managing the supported storage subsystems (RAID
arrays) attached to the server/cluster. Includes information about tiered
storage, storage pools, system drives (SDs), SD groups, and other storage
device related configuration and management features and functions.
•Snapshot Administration Guide (MK-92HNAS011)—Provides information
about configuring the server to take and manage snapshots.
•Replication and Disaster Recovery Administration Guide (MK-92HNAS009)
—Provides information about replicating data using file-based replication
and object-based replication, provides information on setting up replication
policies and schedules, and using replication features for disaster recovery
purposes.
•Antivirus Administration Guide (MK-92HNAS004)—Describes the supported
antivirus engines, provides information about how to enable them, and
how to configure the system to use them.
•Backup Administration Guide (MK-92HNAS007)—Provides information
about configuring the server to work with NDMP, and making and
managing NDMP backups.
Note: For a complete list of Hitachi NAS open source software copyrights and
licenses, see the System Access Guide.
Hardware References
•Hitachi NAS Platform 3080 and 3090 G2 Hardware Reference
(MK-92HNAS017) —Provides an overview of the second-generation server
hardware, describes how to resolve any problems, and replace potentially
faulty parts.
•Hitachi NAS Platform and Hitachi Unified Storage Series 4000 Hardware
Reference (MK-92HNAS030)—Provides an overview of the Hitachi NAS
Platform Series 4000 server hardware, describes how to resolve any
problems, and how to replace potentially faulty components
•Hitachi NAS Platform System Manager Unit (SMU) Hardware Reference
(MK-92HNAS065)—This document describes the usage and replacement
instructions for the SMU 300/400.
Best Practices
•Hitachi USP-V/VSP Best Practice Guide for HNAS Solutions
(MK-92HNAS025)—The practices outlined in this document describe how to
configure the system to achieve the best results.
8 Preface
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

•Hitachi Unified Storage VM Best Practices Guide for HNAS Solutions
(MK-92HNAS026) —The system is capable of heavily driving a storage
array and disks. The practices outlined in this document describe how to
configure the system to achieve the best results
•Hitachi NAS Platform Best Practices Guide for NFS with VMware vSphere
(MK-92HNAS028)—This document covers best practices specific to using
VMware vSphere with the Hitachi NAS platform.
•Hitachi NAS Platform Deduplication Best Practice (MK-92HNAS031)—This
document provides best practices and guidelines for using deduplication.
•Hitachi NAS Platform Best Practices for Tiered File Systems
(MK-92HNAS038)—This document describes the Hitachi NAS Platform
feature that automatically and intelligently separates data and metadata
onto different Tiers of storage called Tiered File Systems (TFS).
•Hitachi NAS Platform Data Migrator to Cloud Best Practices Guide
(MK-92HNAS045)—Data Migrator to Cloud allows files hosted on the HNAS
server to be transparently migrated to cloud storage, providing the
benefits associated with both local and cloud storage.
•Brocade VDX 6730 Switch Configuration for use in an HNAS Cluster
Configuration Guide (MK-92HNAS046)—This document describes how to
configure a Brocade VDX 6730 switch for use as an ISL (inter-switch link)
or an ICC (inter-cluster communication) switch.
•Best Practices for Hitachi NAS Universal Migrator (MK-92HNAS047)—The
Hitachi NAS Universal Migrator (UM) feature provides customers with a
convenient and minimally disruptive method to migrate from their existing
NAS system to the Hitachi NAS Platform. The practices and
recommendations outlined in this document describe how to best use this
feature.
•Hitachi Data Systems SU 12.x Network File System (NFS) Version 4
Feature Description (MK-92HNAS056)—This document describes the
features of Network File System (NFS) Version 4.
•Hitachi NAS 12.1 HDP Best Practices (MK-92HNAS057)—This document
lists frequently asked questions regarding the use of Hitachi Dynamic
Provisioning.
•Hitachi Multi-tenancy Implementation and Best Practice Guide
(MK-92HNAS059)—This document details the best practices for configuring
and using Multi-Tenancy and related features, and EVS security.
•Hitachi NAS Platform v 12.1 HDP Best Practices (MK-92HNAS063)—This
document details the best practices for configuring and using storage
pools, related features, and Hitachi Dynamic Provisioning (HDP).
•Hitachi NAS Platform System Manager Unit (SMU) Hardware Reference
(MK-92HNAS065)—This document describes the usage and replacement
instructions for the SMU 300/400.
•Brocade VDX 6740 Switch Configuration for use in an HNAS Cluster
Configuration Guide (MK-92HNAS066)—This document describes how to
configure a Brocade VDX 6740 switch for use as an ICC (intra-cluster
communication) switch.
Preface 9
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

•File System Snapshots Operational Best Practice (MK-92HNAS068)—This
document provides operational guidance on file system snapshots.
•Virtual Infrastructure Integrator for Hitachi Storage Platforms Operational
Best Practice (MK-92HNAS069)—This document provides operational
guidance on Hitachi Virtual Infrastructure Integrator for the HNAS
platform.
•Hitachi NAS Platform Replication Best Practices Guide (MK-92HNAS070)—
This document details the best practices for configuring and using HNAS
Replication and related features.
•Hitachi Virtual SMU Administration Guide (MK-92HNAS074)—This guide
provides information about how to install and configure a virtual System
Management Unit (SMU).
•Hitachi NAS Platform to Hitachi Virtual Storage Platform Unified Gx00
Models Migration Guide (MK-92HNAS075)—This best practice guide
describes how to perform a data-in-place migration of the Hitachi NAS
Platform and Virtual Storage Platform (VSP) Gx00 File solution to the VSP
Gx00 platform.
Accessing product documentation
Product user documentation is available on Hitachi Data Systems Support
Connect: https://knowledge.hds.com/Documents. Check this site for the
most current documentation, including important updates that may have
been made after the release of the product.
Getting help
Hitachi Support Connect is the destination for technical support of products
and solutions sold by Hitachi. To contact technical support, log on to Hitachi
Support Connect for contact information: https://support.hds.com/en_us/
contact-us.html.
Hitachi Community is a global online community for HDS customers,
partners, independent software vendors, employees, and prospects. It is the
destination to get answers, discover insights, and make connections. Join
the conversation today! Go to community.hds.com, register, and complete
your profile.
Comments
Please send us your comments on this document to [email protected].
Include the document title and number, including the revision level (for
example, -07), and refer to specific sections and paragraphs whenever
possible. All comments become the property of Hitachi.
10 Preface
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

Thank you!
Preface 11
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

12 Preface
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

1
About this manual
This manual provides an overview of the NAS Platform and the Hitachi Unified
Storage File Module hardware. The manual explains how to install and
configure the hardware and software, and how to replace faulty components.
The following server models are covered: 3080 and 3090.
For assistance with storage arrays connected to the server, refer to the
Storage Subsystem Administration Guide.
□Audience
□Conventions
About this manual 13
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

Audience
This guide is written for owners and field service personnel who may have to
repair the system hardware. It is written with the assumption that the reader
has a good working knowledge of computer systems and the replacement of
computer parts.
Conventions
The following conventions are used throughout this document:
Convention Meaning
Command This fixed-space font denotes literal items such as commands, files,
routines, path names, signals, messages, and programming language
structures.
variable The italic typeface denotes variable entries and words or concepts being
defined. Italic typeface is also used for book titles.
user input This bold fixed-space font denotes literal items that the user enters in
interactive sessions. Output is shown in nonbold, fixed-space font.
[ and ] Brackets enclose optional portions of a command or directive line.
… Ellipses indicate that a preceding element can be repeated.
GUI element This font denotes the names of graphical user interface (GUI) elements
such as windows, screens, dialog boxes, menus, toolbars, icons, buttons,
boxes, fields, and lists.
The following types of messages are used throughout this manual. It is
recommended that these icons and messages are read and clearly
understood before proceeding:
A tip contains supplementary information that is useful in completing a task.
A note contains information that helps to install or operate the system
effectively.
14 About this manual
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

A caution indicates the possibility of damage to data or equipment. Do not
proceed beyond a caution message until the requirements are fully understood.
A warning contains instructions that you must follow to avoid personal injury.
Før du starter (DANSK)
Følgende ikoner anvendes i hele guiden til at anføre sikkerhedsrisici. Det
anbefales, at du læser og sætter dig ind i, og har forstået alle procedurer, der
er markeret med disse ikoner, inden du fortsætter.
Bemærk: “Bemærk” indikerer informationer, som skal bemærkes.
FORSIGTIG: “Forsigtig” angiver en mulig risiko for beskadigelse af data eller
udstyr. Det anbefales, at du ikke fortsætter længere end det afsnit, der er
mærket med dette ord, før du helt har sat dig ind i og forstået proceduren.
ADVARSEL: “Advarsel” angiver en mulig risiko for den personlige sikkerhed.
Vorbereitung (DEUTSCH)
Die folgenden Symbole werden in diesem Handbuch zur Anzeige von
Sicherheitshinweisen verwendet. Lesen Sie die so gekennzeichneten
Informationen durch, um die erforderlichen Maßnahmen zu ergreifen.
Anmerkung: Mit einer Anmerkung wird auf Informationen verwiesen, die Sie
beachten sollten.
VORSICHT: Das Wort “Vorsicht” weist auf mögliche Schäden für Daten oder
Ihre Ausrüstung hin. Sie sollten erst dann fortfahren, wenn Sie die durch
dieses Wort gekennzeichneten Informationen gelesen und verstanden haben.
WARNUNG: Mit einer Warnung wird auf mögliche Gefahren für Ihre
persönliche Sicherheit verwiesen.
Antes de comenzar (ESPAÑOL)
Los siguientes iconos se utilizan a lo largo de la guía con fines de seguridad.
Se le aconseja leer, y entender en su totalidad, cualquier procedimiento
marcado con estos iconos antes de proceder.
Sugerencia: Una sugerencia indica información adicional que puede serle de
utilidad en la finalización de una tarea.
About this manual 15
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

PRECAUCIÓN: Una precaución indica la posibilidad de daños a los datos o
equipo. Se le aconseja no continuar más allá de una sección marcada con
este mensaje, a menos que entienda el procedimiento por completo.
ADVERTENCIA: Una advertencia indica la posibilidad de un riesgo a la
seguridad personal.
Avant de commencer (FRANÇAIS)
Les icônes ci-dessous sont utilisées dans le manuel pour mettre en évidence
des procédures de sécurité. Nous vous invitons à les lire et à bien
comprendre toutes les procédures signalées par ces icônes avant de
poursuivre.
Conseil : “Conseil” signale les informations complémentaires que vous
pouvez trouver utiles pour mener à bien une tâche.
ATTENTION : “Attention” signale qu’il existe une possibilité d’endommager
des données ou de l’équipement. Nous vous recommandons de ne pas
poursuivre après une section comportant ce message avant que vous ayez
pleinement assimilé la procédure.
AVERTISSEMENT : “Avertissement” signale une menace potentielle pour la
sécurité personnelle.
Operazioni preliminari (ITALIANO)
Le seguenti icone vengono utilizzate nella guida a scopo cautelativo. Prima di
procedere Vi viene richiesta un’attenta lettura di tutte le procedure,
contrassegnate dalle suddette icone, affinché vengano applicate
correttamente.
Suggerimento: “Suggerimento” fornisce indicazioni supplementari,
comunque utili allo scopo.
ATTENZIONE: “Attenzione” indica il potenziale danneggiamento dei dati o
delle attrezzature in dotazione. Vi raccomandiamo di non procedere con le
operazioni, prima di aver ben letto e compreso la sezione contrassegnata da
questo messaggio, onde evitare di compromettere il corretto svolgimento
dell’operazione stessa.
PERICOLO: “Pericolo” indica l'eventuale pericolo di danno provocato alle
persone, mettendo a rischio la vostra incolumità personale.
Vóór u aan de slag gaat (NEDERLANDS)
De volgende pictogrammen worden in de hele handleiding gebruikt in het
belang van de veiligheid. We raden u aan alle procedure-informatie die door
deze pictogrammen wordt gemarkeerd, aandachtig te lezen en ervoor te
zorgen dat u de betreffende procedure goed begrijpt vóór u verder gaat.
16 About this manual
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

VOORZICHTIG: “Voorzichtig” geeft aan dat er risico op schade aan data of
apparatuur bestaat. We raden u aan even halt te houden bij de sectie die
door dit woord wordt gemarkeerd, tot u de procedure volledig begrijpt.
WAARSCHUWING: Een waarschuwing wijst op een mogelijk gevaar voor de
persoonlijke veiligheid.
Antes de começar (PORTUGUÊS)
Os ícones mostrados abaixo são utilizados ao longo do manual para assinalar
assuntos relacionados como a segurança. Deverá ler e entender claramente
todos os procedimentos marcados com estes ícones ande de prosseguir.
Sugestão: Uma sugestão assinala informações adicionais que lhe poderão
ser úteis para executar uma tarefa.
CUIDADO: “Cuidado” indica que existe a possibilidade de serem causados
danos aos dados ou ao equipamento. Não deverá avançar para lá de uma
secção marcada por esta mensagem sem ter primeiro entendido totalmente o
procedimento.
AVISO: Um aviso indica que existe um possível risco para a segurança
pessoal.
Ennen kuin aloitat (SUOMI)
Seuraavilla kuvakkeilla kiinnitetään tässä oppaassa huomiota
turvallisuusseikkoihin. Näillä kuvakkeilla merkityt menettelytavat tulee lukea
ja ymmärtää ennen jatkamista.
Huomautus: Huomautus sisältää tietoja, jotka tulee ottaa huomioon.
VAROITUS: Varoitus varoittaa tietojen tai laitteiden vahingoittumisen
mahdollisuudesta. Tällä merkillä merkitystä kohdasta ei tule jatkaa eteenpäin
ennen kuin täysin ymmärtää kuvatun menettelyn.
VAARA: Vaara varoittaa henkilövahingon mahdollisuudesta.
Innan du startar (SVENSKA)
Följande ikoner används i hela handboken för att markera säkerhetsaspekter.
Läs igenom handboken ordentligt så att du förstår steg som har markerats
med dessa ikoner innan du fortsätter.
Obs: “Obs” anger vad du ska observera.
FÖRSIKT: “Försikt” anger vad som kan leda till data eller utrustningsskador.
Fortsätt inte till nästa avsnitt innan du förstår det steg som har markerats
med detta meddelande.
VARNING: “Varning” anger vad som kan leda till personskador.
About this manual 17
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

18 About this manual
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

2
Safety information
This section lists important safety guidelines to follow when working with the
equipment.
□Electrostatic discharge precautions
□Safety and handling precautions
□Electrical precautions
□Data protection precautions
Safety information 19
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference

Electrostatic discharge precautions
To ensure proper handling of system components and to prevent hardware
faults caused by electrostatic discharge, follow all safety precautions:
• Wear an anti-static wrist or ankle strap.
• Observe all standard electrostatic discharge precautions when handling
plug-in modules or components that have been removed from any anti-
static packaging.
•Avoid contact with backplane components and module connectors.
Safety and handling precautions
To ensure your safety and the safe handling and correct operation of the
equipment, follow all of the safety precautions and instructions.
Caution: Observe safe lifting practices. Each server or each storage array
can weigh 57 lb. (26 kg) or more. At least two people are required to handle
and position a server in a rack.
Caution: There is a risk that a cabinet could fall over suddenly. To prevent
this from occurring:
• If your system comes with a rack stabilizer plate, install it.
• Fill all expansion cabinets, including all storage enclosures, from the
bottom to the top.
• Do not remove more than one unit from the rack at a time.
To help prevent serious injuries, load the components in the storage cabinet
in the prescribed order:
1. If present, install the rack stabilizer plate to the front of the system
cabinet.
2. Load the Fibre Channel (FC) switches in the storage cabinet at the
positions recommended in the System Installation Guide. The positions
can be adjusted according to a specific storage cabinet configuration.
3. Load and position the server(s) directly above the FC switches, if used in
your configuration.
4. The System Management Unit (SMU), if used in your configuration,
should be placed directly below the FC switches.
5. The first storage enclosure should be positioned at the bottom of the
storage cabinet. Additional enclosures are then placed above existing
enclosures, going towards the top of the system cabinet.
6. Once the bottom half of the storage cabinet has been filled, the top half
of the storage cabinet can be filled. Begin by placing a storage
component directly above the server and then fill upwards.
20 Safety information
Hitachi NAS Platform 3080 and 3090 G1 Hardware Reference