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EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide
iii
Preface..............................................................................................................................ix
Chapter 1 About Fibre Channel FC4700 Storage Systems and
Storage Networks
Introducing Fibre Channel Storage Systems.................................1-2
Fibre Channel Background..............................................................1-3
Fibre Channel Storage Components ..............................................1-4
Server Component (Host Bus Adapter Driver Package with
Software).....................................................................................1-4
Interconnect Components ........................................................1-4
Storage Component (Storage Systems, SPs, and Other
Hardware)...................................................................................1-7
Types of Storage-System Installations ...........................................1-8
About Switched Shared Storage and SANs (Storage Area
Networks) ..........................................................................................1-9
Storage Groups.........................................................................1-10
Storage-System Hardware......................................................1-13
Chapter 2 RAID Types and Tradeoffs
Introducing RAID.............................................................................2-2
Disk Striping...............................................................................2-2
Mirroring.....................................................................................2-2
RAID Groups and LUNs ..........................................................2-3
RAID Types........................................................................................2-4
RAID 5 Group (Individual Access Array) .............................2-4
RAID 3 Group (Parallel Access Array)...................................2-5
RAID 1 Mirrored Pair................................................................2-7
RAID 0 Group (Nonresident Array).......................................2-7
Contents