Areca ARC-8050T3U 6-Bay Thunder3 Desktop RAID Storage Array - Manual (Page 7)

Full Volume Encryption ...................................................... 140
Appendix G .................................................................. 145
RAID Concept .................................................................... 145
RAID Set ......................................................................... 145
Volume Set ...................................................................... 145
Ease of Use Features ......................................................... 146
• Foreground Availability/Background Initialization .............. 146
• Online Array Roaming ................................................... 146
• Online Capacity Expansion ............................................. 146
• Online RAID Level and Stripe Size Migration .................... 148
• Online Volume Expansion .............................................. 149
High Availability ............................................................... 149
• Global/Local Hot Spares ................................................ 149
• Hot-Swap Disk Drive Support ......................................... 150
• Auto Declare Hot-Spare ............................................... 150
• Auto Rebuilding ........................................................... 151
• Adjustable Rebuild Priority ............................................. 151
High Reliability ................................................................. 152
• Hard Drive Failure Prediction .......................................... 152
• Auto Reassign Sector .................................................... 152
• Consistency Check ....................................................... 153
Data Protection ................................................................ 153
• Battery Backup ........................................................... 153
• Recovery ROM ............................................................. 154
Appendix H .................................................................. 155
Understanding RAID .......................................................... 155
RAID 0 ............................................................................ 155
RAID 1 ............................................................................ 156
RAID 10(1E) .................................................................... 157
RAID 3 ............................................................................ 157
RAID 5 ............................................................................ 158
RAID 6 ............................................................................ 159
RAID x0 .......................................................................... 159
Single Disk (Pass-Through Disk) ......................................... 160
Summary of RAID Levels ................................................... 161