Hitachi STORAGE 9900 - Manual (Page 5)

Table of Contents
Table of Contents ......................................................................................................................................iii
Table of Figures ........................................................................................................................................vii
Table of Tables ........................................................................................................................................viii
Chapter 1 – Introduction ________________________________________________________________1
Redefining the Industry Standard, Once Again ..........................................................................................1
Lightning 9900 V Series Product Offerings ................................................................................................2
An Overview of the Lightning 9900 V Series Architecture ........................................................................3
Limitation of Competitive Shared-bus Architectures ..................................................................................4
The Lightning 9900 V Series Systems Have an Advanced Availability Profile Compared to
Competitive Products............................................................................................................................4
Other Information Sources Available from Hitachi Data Systems ..............................................................5
Reduced TCO ............................................................................................................................................5
Second-generation “Virtual” Switched Storage............................................................................................6
Chapter 2 – Hitachi Freedom Storage Lightning 9900 V Series Packaging ________________________9
The Hitachi Freedom Storage Lightning 9980V System Packaging ............................................................9
Lightning 9980V System Control Frame ....................................................................................................9
Lightning 9980V System Array Frames ....................................................................................................10
Hitachi Freedom Storage Lightning 9970V System Packaging ................................................................11
The System Monitoring Network of the Lightning 9900 V Series............................................................12
Chapter 3 – Front-end Design of the Hitachi Freedom Storage Lightning 9900 V Series ____________13
CHIPs Support Fibre Channel Host and ESCON or FICON Host Connectivity and Scalability............13
About the Fibre Channel Interface Boards ................................................................................................14
Bandwidth of Supported Host Interfaces ..................................................................................................16
Number of Host Interfaces Supported ......................................................................................................16
Types of Hosts Supported with Direct Fibre Channel Host Attachment by the
Lightning 9900 V Series Systems ..............................................................................................................16
Chapter 4 – Hi-Star Architecture – An Internal Switched Hierarchical Star Network ______________17
The Internal Hi-Star Architecture ............................................................................................................17
The Cache Hierarchical Star Network ......................................................................................................17
The Cache Switch Provides Non-blocking Switched Access to Cache ......................................................18
The Lightning 9980V System Provides 64GB of Fully Addressable Cache ..............................................18
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