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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....................................................................................... xii
Convention for Storage Capacity Values ............................................................... xii
Getting Help ..................................................................................................... xiii
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
Hardware Components ......................................................................................2-5
Shared Memory..........................................................................................2-6
Cache Memory ...........................................................................................2-6
Front-End Directors and Host Channels ........................................................2-7