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Contents
Chapter 1 Overview ...........................................................................................................55
1. Notes on Use - Always Follow These Notes - ............................................................................55
1-1. Installation of WebPAM.......................................................................................................55
1-2. Preventive Maintenance by Media Patrol/Synchronization................................................. 55
2. Specification...............................................................................................................................56
3. Features of Disk Array Controller ...............................................................................................57
4. Names and Functions of Sections..............................................................................................58
5. Hardware Setup .........................................................................................................................60
5-1. Prepare for setup................................................................................................................61
5-2. Selecting and Installing Bracket..........................................................................................62
5-3. Installing the Disk Array Controller......................................................................................63
5-4. Connecting LED and SATA Cables.....................................................................................64
5-5. Installing Additional HDD Cage........................................................................................... 65
5-6. Connecting I2C Cable.........................................................................................................65
5-7. Forming Cables ..................................................................................................................66
Chapter 2 RAID .................................................................................................................68
1. Overview of RAID.......................................................................................................................68
1-1. What is RAID (Redundant Array of Inexpensive Disks)? ....................................................68
1-2. RAID Levels........................................................................................................................69
1-3. Logical Drive.......................................................................................................................70
1-4. Parity .................................................................................................................................. 70
1-5. Hot-Swap............................................................................................................................70
1-6. Hot-Spare Disk ...................................................................................................................71
2. RAID Levels ...............................................................................................................................72
2-1. Characteristics of RAID Levels...........................................................................................72
2-2. RAID0.................................................................................................................................72
2-3. RAID1.................................................................................................................................73
2-4. RAID5.................................................................................................................................73
2-5. RAID10...............................................................................................................................74
Chapter 3 Features of Disk Array Controller ......................................................................75
1. Rebuild.......................................................................................................................................75
1-1. Manual Rebuild...................................................................................................................75
1-2. Auto Rebuild .......................................................................................................................75
2. Media Patrol...............................................................................................................................77
3. Synchronization..........................................................................................................................78
4. Expansion ..................................................................................................................................79
Chapter 4 Lamp Indications...............................................................................................81
1. Indications of Lamps on Server..................................................................................................81
2. Indications of Disk Lamps on Trays............................................................................................82