Dell POWEREDGE C6105 Hardware Owner's Manual page 16

For 2.5" Hard-Drive Backplane with Expander
HDD
Controller
Type
LSI 9260 SAS
/ SATA2
16 | About Your System
Activity
LED
Function
Green
Slot Empty Off
Drive On- Off/
Line Blinking
when
active
Drive Off/
Identify/ Blinking
Preparing when
for removal active
Drive Off/
Rebuild Blinking
when
active
Drive Fail Off
Predicted Off/
Failure Blinking
(SMART) when
active
Status LED
Green Amber
Off Off
On Off
On Off
250ms
Blinking
2Hz
Off
250ms
On Off
400ms
Blinking
2Hz
Off
100ms
Off On 125ms
Blinking
4Hz
Off 125ms
On On 500ms
500ms Off 500ms
Off Blinking
500ms 0.5Hz
Blinking Off
0.5Hz 1000ms
Off
1000ms