Hitachi Universal Storage Platform V User manual

MK-96RD635-12
Hitachi Universal Storage Platform V
Hitachi Universal Storage Platform VM
User and Reference Guide
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Document Organization
Product Version
Getting Help
Contents

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Hitachi Universal Storage Platform V/VM User and Reference Guide
Copyright © 2009 Hitachi, Ltd., Hitachi Data
Systems Corporation, ALL RIGHTS RESERVED
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
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.