Hitachi Universal Storage Platform V
Hitachi Universal Storage Platform VM
User and Reference Guide
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ASTFIND
Document Organization
Product Version
Getting Help
Contents
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INK
MK-96RD635-12
Copyright © 2009 Hitachi, Ltd., Hitachi Data
Systems Corporation, ALL RIGHTS RESERVED
Notice: No part of this publication may be
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Corporation (hereinafter referred to as “Hitachi
Data Systems”).
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reserves the right to make changes to this
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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
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currently available. Refer to the most recent
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This document contains the most current
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When new and/or revised information becomes
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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 Plat
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
form V Family ...................................................................1-2
.............................................................................................1-8
Architecture and Components................................................................ 2-1
Hardware Architectur
Multiple Data and Co
Storage Clusters
Contents iii
Hitachi Universal Storage Platform V/VM User and Reference Guide
e.......................................................................................2-2
ntrol Paths...................................................................2-3
.........................................................................................2-4
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
Disk Drives and Flash Drives
Domains ........................................................ 2-9
..................................................................... 2-11
Service Processor..................................................................................... 2-12
Power Supplies ........................................................................................ 2-12
Batteries ................................................................................................. 2-12
Control Panel and Emergency Power-Off Switch................................................ 2-13
Control Panel
Emergency Power-Off
........................................................................................... 2-13
Switch .................................................................... 2-15
Intermix Configurations................................................................................... 2-16
RAID-Level Intermix
Data Drive Intermix
................................................................................. 2-16
................................................................................. 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 Opti
Mainframe Operations..................................................................................... 3-35
Mainframe Compatibility a
nd Functionality ................................................. 3-35
Mainframe Operating System Support
Mainframe Confi
Open-Systems Operati
guration .......................................................................... 3-36
ons ............................................................................... 3-37
Open-Systems Compatibility and Functionality............................................ 3-37
Open-Systems Host Pl
Open-Systems Conf
Battery Backup Operat
atform Support ........................................................ 3-38
iguration..................................................................... 3-39
ions .............................................................................. 3-40
ons .......................................................... 3-34
........................................................ 3-35
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Hitachi Universal Storage Platform V/VM User and Reference Guide