Supermicro SUPERSERVER 5018D-MTLN4F, User Manual

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Chapter 3: System Interface
3-3
Power
Indicates power is being supplied to the system's power supply units. This LED
should normally be illuminated when the system is operating.
3-4 Hard Drive Carrier LEDs
Each drive carrier has two LEDs.
•
Green: When illuminated, the green LED on the 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 red LED to indicate a drive failure. If one of the drives fails, you should
be notified by your system management software. Please refer to Chapter 6 for
instructions on replacing failed drives.
HDD
Channel activity for all HDDs. This light indicates hard drive activity on the 5018D-
MTLN4F when flashing.