18 About Your System
Hard-Drive Indicator Patterns for RAID
Figure 1-4. Hard-Drive Indicators
1 drive-activity indicator (green) 2 drive-status indicator (green and 
amber)
Drive-Status Indicator Pattern 
(RAID Only)
Condition
Blinks green two times per 
second
Identify drive/preparing for removal
Off Drive ready for insertion or removal
NOTE: The drive status indicator remains off until all 
hard drives are initialized after system power is 
applied. Drives are not ready for insertion or removal 
during this time.
1
2
1
2
3.5-in carrier
2.5-in carrier