Hitachi HUS VM - Default Chapter; Table of Contents

Contents
Preface................................................................................................. vii
Safety and environmental information....................................................................... viii
Intended audience...................................................................................................viii
Release notes..........................................................................................................viii
Product version....................................................................................................... viii
Document revision level........................................................................................... viii
Changes in this revision............................................................................................. ix
Referenced documents.............................................................................................. ix
Document conventions.............................................................................................. ix
Convention for storage capacity values........................................................................x
Accessing product documentation...............................................................................xi
Getting help..............................................................................................................xi
Comments................................................................................................................ xi
1 Introduction......................................................................................... 1-1
hardware components.............................................................................................1-2
Overview................................................................................................................1-2
Controller chassis....................................................................................................1-3
Controller configuration and components........................................................... 1-4
Flexible host I/O module installation.................................................................. 1-7
Drive trays............................................................................................................. 1-7
DBS and DBL drive trays................................................................................... 1-8
DBF drive tray................................................................................................ 1-10
DBX dense drive tray...................................................................................... 1-11
Dense intermix drive tray................................................................................ 1-14
Cache memory......................................................................................................1-16
Cache capacity............................................................................................... 1-17
Memory operation...........................................................................................1-18
Data Protection...............................................................................................1-18
Shared memory.................................................................................................... 1-18
2 Hardware architecture...........................................................................2-1
System architecture overview.................................................................................. 2-2
Hardware architecture.............................................................................................2-2
HUS VM RAID implementation................................................................................. 2-2
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Hitachi Unified Storage VM Block Module Hardware User Guide