SC933 Chassis Manual
3-4
3-4 Drive Carrier LEDs
Your chassis uses SAS or SCSI drives, but not both.
SAS Drives
Each SAS drive carrier has two LEDs.
•
Green:
Each SAS drive carrier has a green LED. When illuminated, this green
LED (on the front of the SAS drive carrier) indicates drive activity. A connection
to the SAS backplane enables this LED to blink on and off when that particular
drive is being accessed.
•
Red:
The red LED indicates a SAS drive failure. If one of the SAS drives fail,
you should be notified by your system management software.
SCSI Drives
Each SCSI drive carrier has two LEDs.
•
Green:
When illuminated, the green LED on the front of the SCSI drive carrier
indicates drive activity. A connection to the SCSI SCA backplane enables this
LED to blink on and off when that particular drive is being accessed.
•
Red:
The SAF-TE compliant backplane activates the red LED to indicate a drive
failure. If one of the SCSI drives fail, you should be notified by your system
management software.
If your system supports more drives than are currently being utilized, the LEDs
which are designated for unused drives will remain unlit.
