User manual

RAID Set ......................................................................... 164
Volume Set ...................................................................... 164
Ease of Use Features ......................................................... 165
• Foreground Availability/Background Initialization .............. 165
• Online Array Roaming ................................................... 165
• Online Capacity Expansion ............................................. 165
• Online RAID Level and Stripe Size Migration .................... 167
• Online Volume Expansion .............................................. 168
High availability .................................................................. 168
Global Hot Spares .......................................................... 168
Hot-Swap Disk Drive Support .......................................... 169
Auto Declare Hot-Spare ................................................. 169
Auto Rebuilding ............................................................ 170
Adjustable Rebuild Priority .............................................. 170
High Reliability ................................................................... 171
Hard Drive Failure Prediction ........................................... 171
Auto Reassign Sector...................................................... 171
Consistency Check ......................................................... 172
Data Protection .................................................................. 172
• Battery Backup ............................................................. 172
Recovery ROM ............................................................... 173
Appendix F .................................................................. 173
Understanding RAID ........................................................... 173
RAID 0 ......................................................................... 174
RAID 1 ......................................................................... 174
RAID 10(1E) ................................................................. 175
RAID 3 ......................................................................... 175
RAID 5 ......................................................................... 176
RAID 6 ......................................................................... 177
Appendix G .................................................................. 180
Technical Support ............................................................... 180