© Copyright IBM Corp. 2012, 2014. All rights reserved. 1
Part 1 Introduction to N series
hardware
This part introduces the N series hardware, including the storage controller models, disk
expansion shelves, and cabling recommendations.
It also describes some of the hardware functions, including active/active controller clusters,
MetroCluster, NVRAM and cache memory, and RAID-DP protection.
Finally, this part provides a high-level guide to designing an N series solution.
This part includes the following chapters:
Chapter 1, “Introduction to IBM System Storage N series” on page 3
Chapter 2, “Entry-level systems” on page 13
Chapter 3, “Mid-range systems” on page 23
Chapter 4, “High-end systems” on page 33
Chapter 5, “Expansion units” on page 45
Chapter 6, “Cabling expansions” on page 59
Chapter 7, “Highly Available controller pairs” on page 71
Chapter 8, “MetroCluster” on page 103
Chapter 9, “MetroCluster expansion cabling” on page 125
Chapter 10, “Data protection with RAID Double Parity” on page 147
Chapter 11, “Core technologies” on page 165
Chapter 12, “Flash Cache” on page 175
Chapter 13, “Disk sanitization” on page 181
Chapter 14, “Designing an N series solution” on page 187
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