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Contents
Preface ......................................................................................................................................... i
NOTES ON USE - Always read the Notes - .................................................................... ii
Symbols Used in This Manual and Warning Labels .................................................................... iv
Safety Indications ........................................................................................................................ v
This Manual ............................................................................................................................... xiii
In the Package ........................................................................................................................... xiii
Transfer to Third Party ............................................................................................................... xiv
Disposal ..................................................................................................................................... xv
Data Backup .............................................................................................................................. xv
Transportation ............................................................................................................................ xv
Maintenance Parts ..................................................................................................................... xv
Abbreviations ............................................................................................................................. xvi
Contents .................................................................................................................................... 64
Chapter 1 Overview .............................................................................................................. 66
1. Notes on Use - Always Follow These Notes - ............................................................................ 66
1-1 Installation of MSM .............................................................................................................. 66
1-2 Preventive Maintenance by Consistency Check .................................................................. 66
2. Specification ............................................................................................................................... 67
3. Features of Disk Array Controller ............................................................................................... 68
4. Names and Functions of Sections .............................................................................................. 69
4-1 Disk Array Controller ..................................................................................................... 69
4-2 Backplane Board .......................................................................................................... 70
4-3 Internal Cable ............................................................................................................... 70
4-4 Mounting Screws (3) ..................................................................................................... 70
Chapter 2 RAID .................................................................................................................... 71
1. Overview of RAID ....................................................................................................................... 71
1-1 What is RAID (Redundant Array of Inexpensive Disks)? ..................................................... 71
1-2 RAID Levels ......................................................................................................................... 71
1-3 Disk Group ........................................................................................................................... 72
1-4 Virtual Disk .......................................................................................................................... 72
1-5 Hot-Swap ............................................................................................................................. 72
2. RAID Levels ............................................................................................................................... 73
2-1 Characteristics of RAID Levels ............................................................................................ 73
2-2 RAID0 .................................................................................................................................. 73
2-3 RAID1 .................................................................................................................................. 74
Chapter 3 Features of Disk Array Controller ........................................................................ 75
1. Rebuild ....................................................................................................................................... 75
1-1 Manual Rebuild .................................................................................................................... 75
1-2 Auto Rebuild ........................................................................................................................ 75
2. Patrol Read ................................................................................................................................ 76
3. Consistency Check .................................................................................................................... 76
4. Background Initialize (BGI) ......................................................................................................... 76
5. Reconstruction ........................................................................................................................... 77
5-1 Removed physical drive ....................................................................................................... 77
5-2 Migration only ...................................................................................................................... 77
5-3 Migration with addition ......................................................................................................... 77
Chapter 4 Hardware Setup ................................................................................................... 79
1. Prepare for Setup ....................................................................................................................... 80
2. Installing the Disk Array Controller ............................................................................................. 81
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