3-4
A+ SERVER 4042G-72RF4 USER'S MANUAL
3-4 SAS Drive Carrier LEDs
Each SAS drive carrier has two LEDs:
•
Green:
When illuminated, the green LED on the front of the SAS drive carrier
indicates drive activity. A connection to the backplane enables this LED to blink
on and off when that particular drive is being accessed.
•
Red:
The SAS2 compliant backplane activates the red LED to indicate a drive
failure. If one of the SAS drives fail, you should be notified by your system
management software. Please refer to Chapter 6 for instructions on replacing
failed SAS drives.
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