Areca ARC-1280ML - 1. Introduction; 1.1 Overview; 1.2 Features; 1.3 RAID Concept

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Contents

1. Introduction .............................................................. 10

1.1 Overview ....................................................................... 10

1.2 Features ........................................................................ 12

1.3 RAID Concept ................................................................. 15

1.3.1 RAID Set ................................................................... 15

1.3.2 Volume Set ................................................................ 15

1.3.3 Ease of Use Features ................................................. 16

1.3.3.1 Instant Availability/Background Initialization ............ 16

1.3.3.2 Array Roaming ..................................................... 16

1.3.3.3 Online Capacity Expansion ..................................... 17

1.3.3.4 Online RAID Level and Stripe Size Migration ............. 19

1.3.3.5 Online Volume Expansion ........................................ 19

1.4 High availability .............................................................. 20

1.4.1 Global Hot Spares ...................................................... 20

1.4.2 Hot-Swap Disk Drive Support ....................................... 21

1.4.3 Auto Declare Hot-Spare .............................................. 21

1.4.4 Auto Rebuilding ......................................................... 21

1.4.5 Adjustable Rebuild Priority ........................................... 22

1.5 High Reliability ................................................................ 23

1.5.1 Hard Drive Failure Prediction ........................................ 23

1.5.2 Auto Reassign Sector .................................................. 23

1.5.3 Consistency Check ...................................................... 24

1.6 Data Protection ............................................................... 24

1.6.1 BATTERY BACKUP ...................................................... 24

1.6.2 RECOVERY ROM ......................................................... 25

1.7 Understanding RAID ........................................................ 25

1.7.1 RAID 0 ...................................................................... 25

1.7.2 RAID 1 ...................................................................... 26

1.7.3 RAID 1E .................................................................... 27

1.7.4 RAID 3 ...................................................................... 27

1.7.5 RAID 5 ...................................................................... 28

1.7.6 RAID 6 ...................................................................... 29

2. Hardware Installation ............................................... 31

2.1 Before Your begin Installation ........................................... 31

2.2 Board Layout .................................................................. 32

2.3 Installation ..................................................................... 37

3. McBIOS RAID Manager .............................................. 53

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