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