Hitachi Universal Storage Platform V Manuale utente

MK-96RD635-12

Hitachi Universal Storage Platform V

Hitachi Universal Storage Platform VM

User and Reference Guide

AST

IND

INK

Document Organization

Product Version

Getting Help

Contents

Hitachi Universal Storage Platform V/VM User and Reference Guide

Notice: No part of this publication may be

reproduced or transmitted in any form or by

any means, electronic or mechanical, including

photocopying and recording, or stored in a

database or retrieval system for any purpose

without the express written permission of

Hitachi, Ltd. and Hitachi Data Systems

Corporation (hereinafter referred to as “Hitachi

Data Systems”).

Hitachi, Ltd. and Hitachi Data Systems

reserves the right to make changes to this

document at any time without notice and

assumes no responsibility for its use. Hitachi,

Ltd. and Hitachi Data Systems products and

services can only be ordered under the terms

and conditions of Hitachi Data Systems’

applicable agreements. All of the features

described in this document may not be

currently available. Refer to the most recent

product announcement or contact your local

Hitachi Data Systems sales office for

information on feature and product availability.

This document contains the most current

information available at the time of publication.

When new and/or revised information becomes

available, this entire document will be updated

and distributed to all registered users.

Hitachi is a registered trademark of Hitachi,

Ltd. in the United States and other countries.

Hitachi Data Systems is a registered trademark

and service mark of Hitachi, Ltd. in the United

States and other countries.

Dynamic Provisioning, Hi-Track, ShadowImage,

TrueCopy, and Universal Star Network are

registered trademarks or trademarks of Hitachi

Data Systems.

AIX, ESCON, FICON, FlashCopy, IBM,

MVS/ESA, MVS/XA, OS/390, S/390, VM/ESA,

VSE/ESA, z/OS, zSeries, z/VM, and zVSE are

registered trademarks or trademarks of

International Business Machines Corporation.

All other trademarks, service marks, and

company names in this document are

properties of their respective owners.

Contents iii

Hitachi Universal Storage Platform V/VM User and Reference Guide

Contents

Preface..................................................................................................vii

Safety and Environmental Notices....................................................................... viii

Intended Audience ..............................................................................................ix

Product Version...................................................................................................ix

Document Revision Level .....................................................................................ix

Source Document(s) for this Revision ...................................................................ix

Changes in this Revision .......................................................................................x

Document Organization ........................................................................................x

Referenced Documents........................................................................................xi

Document Conventions........................................................................................xi

Convention for Storage Capacity Values ............................................................... xii

Getting Help ...................................................................................................... xii

Comments........................................................................................................ xiii

Product Overview ................................................................................. 1-1

Universal Storage Platform V Family ...................................................................1-2

New and Improved Capabilities ..........................................................................1-3

Specifications at a Glance ..................................................................................1-4

Specifications for the Universal Storage Platform V........................................1-4

Specifications for the Universal Storage Platform VM .....................................1-6

Software Products .............................................................................................1-8

Architecture and Components................................................................ 2-1

Hardware Architecture.......................................................................................2-2

Multiple Data and Control Paths ...................................................................2-3

Storage Clusters .........................................................................................2-4

iv Contents

Hitachi Universal Storage Platform V/VM User and Reference Guide

Hardware Components...................................................................................... 2-5

Shared Memory ......................................................................................... 2-6

Cache Memory........................................................................................... 2-6

Front-End Directors and Host Channels........................................................ 2-7

Back-End Directors and Array Domains ........................................................ 2-9

Disk Drives and Flash Drives ..................................................................... 2-11

Service Processor..................................................................................... 2-12

Power Supplies ........................................................................................ 2-12

Batteries ................................................................................................. 2-12

Control Panel and Emergency Power-Off Switch ................................................ 2-13

Control Panel........................................................................................... 2-13

Emergency Power-Off Switch .................................................................... 2-15

Intermix Configurations................................................................................... 2-16

RAID-Level Intermix................................................................................. 2-16

Data Drive Intermix ................................................................................. 2-17

Device Emulation Intermix........................................................................ 2-17

Functional and Operational Characteristics ............................................. 3-1

RAID Implementation ....................................................................................... 3-2

Array Groups and RAID Levels .................................................................... 3-2

Sequential Data Striping ............................................................................. 3-4

LDEV Striping Across Array Groups.............................................................. 3-5

CU Images, LVIs, and LUs................................................................................. 3-7

CU Images ................................................................................................ 3-7

Logical Volume Images............................................................................... 3-7

Logical Units.............................................................................................. 3-8

Storage Navigator............................................................................................. 3-9

System Option Modes, Host Modes, and Host Mode Options .............................. 3-10

System Option Modes............................................................................... 3-10

Host Modes and Host Mode Options .......................................................... 3-34

Mainframe Operations..................................................................................... 3-35

Mainframe Compatibility and Functionality ................................................. 3-35

Mainframe Operating System Support........................................................ 3-35

Mainframe Configuration .......................................................................... 3-36

Open-Systems Operations ............................................................................... 3-37

Open-Systems Compatibility and Functionality............................................ 3-37

Open-Systems Host Platform Support ........................................................ 3-38

Open-Systems Configuration..................................................................... 3-39

Battery Backup Operations .............................................................................. 3-40

Contents v

Hitachi Universal Storage Platform V/VM User and Reference Guide

Troubleshooting ................................................................................... 4-1

General Troubleshooting....................................................................................4-2

Service Information Messages ............................................................................4-3

Calling the Hitachi Data Systems Support Center .................................................4-4

Units and Unit Conversions.................................................................... A-1

Acronyms and Abbreviations

Index

vi Contents

Hitachi Universal Storage Platform V/VM User and Reference Guide

Preface vii

Hitachi Universal Storage Platform V/VM User and Reference Guide

Preface

This document describes the physical, functional, and operational

characteristics of the Hitachi Universal Storage Platform V (USP V) and Hitachi

Universal Storage Platform VM (USP VM) storage systems and provides

general instructions for operating the USP V and USP VM.

Please read this document carefully to understand how to use this product,

and maintain a copy for reference purposes.

This preface includes the following information:

Safety and Environmental Notices

Intended Audience

Product Version

Document Revision Level

Source Document(s) for this Revision

Changes in this Revision

Document Organization

Referenced Documents

Document Conventions

Convention for Storage Capacity Values

Getting Help

Comments

Notice: The use of the Hitachi Universal Storage Platform V and VM storage

systems and all other Hitachi Data Systems products is governed by the terms

of your agreement(s) with Hitachi Data Systems.

viii Preface

Hitachi Universal Storage Platform V/VM User and Reference Guide

Safety and Environmental Notices

Federal Communications Commission (FCC) Statement

This equipment has been tested and found to comply with the limits for a Class

A digital device, pursuant to part 15 of the FCC Rules. These limits are

designed to provide reasonable protection against harmful interference when

the equipment is operated in a commercial environment. This equipment

generates, uses, and can radiate radio frequency energy and, if not installed

and used in accordance with the instruction manual, may cause harmful

interference to radio communications. Operation of this equipment in a

residential area is likely to cause harmful interference in which case the user

will be required to correct the interference at his own expense.

“EINE LEICHT ZUGÄNGLICHE TRENN-VORRICHTUNG, MIT EINER KONTAKT-

ÖFFNUNGSWEITE VON MINDESTENS 3mm IST IN DER UNMITTELBAREN NÄHE

DER VERBRAUCHERANLAGE ANZUORDNEN (4-POLIGE ABSCHALTUNG).”

Maschinenlärminformationsverordnung 3. GSGV, 18.01.1991: Der

höchste Schalldruckpegel beträgt 70 db(A) oder weniger gemäß ISO 7779.

CLASS 1 LASER PRODUCT

LASER KLASSE 1

WARNING: This is a Class A product. In a domestic environment this product

may cause radio interference in which case the user may be required to take

adequate measures.

WARNUNG: Dies ist ein Produkt der Klasse A. In nichtgewerblichen

Umgebungen können von dem Gerät Funkstörungen ausgehen, zu deren

Beseitigung vom Benutzer geeignete Maßnahmen zu ergreifen sind.

Preface ix

Hitachi Universal Storage Platform V/VM User and Reference Guide

Intended Audience

This document is intended for system administrators, Hitachi Data Systems

representatives, and authorized service providers who are involved in

installing, configuring, and operating the Hitachi Universal Storage Platform V

and/or Hitachi Universal Storage Platform VM storage systems.

This document assumes the following:

•The user has a background in data processing and understands RAID

storage systems and their basic functions.

•The user is familiar with the host systems supported by the Hitachi

Universal Storage Platform V/VM.

•The user is familiar with the equipment used to connect RAID storage

systems to the supported host systems.

Product Version

This document revision applies to USP V/VM microcode 60-05-0xand higher.

Document Revision Level

Revision Date Description

MK-96RD635-P February 2007 Preliminary Release

MK-96RD635-00 May 2007 Initial Release, supersedes and replaces MK-96RD635-P

MK-96RD635-01 June 2007 Revision 1, supersedes and replaces MK-96RD635-00

MK-96RD635-02 September 2007 Revision 2, supersedes and replaces MK-96RD635-01

MK-96RD635-03 November 2007 Revision 3, supersedes and replaces MK-96RD635-02

MK-96RD635-04 April 2008 Revision 4, supersedes and replaces MK-96RD635-03

MK-96RD635-05 May 2008 Revision 5, supersedes and replaces MK-96RD635-04

MK-96RD635-06 May 2008 Revision 6, supersedes and replaces MK-96RD635-05

MK-96RD635-07 November 2008 Revision 7, supersedes and replaces MK-96RD635-06

MK-96RD635-08 December 2008 Revision 8, supersedes and replaces MK-96RD635-07

MK-96RD635-09 January 2009 Revision 9, supersedes and replaces MK-96RD635-08

MK-96RD635-10 April 2009 Revision 10, supersedes and replaces MK-96RD635-09

MK-96RD635-11 June 2009 Revision 11, supersedes and replaces MK-96RD635-10

MK-96RD635-12 August 2009 Revision 12, supersedes and replaces MK-96RD635-11

Source Document(s) for this Revision

•Exhibit M1, DKC610I Disk Subsystem, Hardware Specifications, revision 15

xPreface

Hitachi Universal Storage Platform V/VM User and Reference Guide

Changes in this Revision

•Added information on the 200-GB flash drive (see Table 1-1, Table 1-2,

and Table 2-3).

•Corrected to 16 the maximum number of spare drives that can be

configured for the Universal Storage Platform VM (see Disk Drives and

Flash Drives).

Document Organization

The following table provides an overview of the contents and organization of

this document. Click the chapter title in the left column to go to that chapter.

The first page of each chapter provides links to the sections in that chapter.

Description

Product Overview Provides an overview of the Universal Storage Platform V/VM, including

features, benefits, general function, and connectivity descriptions.

Architecture and Components Describes the USP V/VM architecture and components.

Functional and Operational

Characteristics

Discusses the functional and operational capabilities of the Universal

Storage Platform V/VM.

Troubleshooting Provides troubleshooting guidelines and customer support contact

information for the Universal Storage Platform V/VM.

Units and Unit Conversions Provides conversions for standard (U.S.) and metric units of measure

associated with the Universal Storage Platform V/VM.

Acronyms and Abbreviations Defines the acronyms and abbreviations used in this document.

Index Lists the topics in this document in alphabetical order.

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