Compaq StorageWorks Fibre Channel Troubleshooting Guide

Primary and Secondary Storage System LEDs A-3
Table A-1
RA4000 Controller LED Descriptions
continued
LED Function Description
13 SCSI Bus 1 Active On = Indicates requests are outstanding on the second SCSI bus
14 Cache
Activity/Error
On = Cache Failure
Off = No Cache activity
Blinking = Cache transfer pending
15 Drive Failure On = A configured hard drive has failed in the array
Transmit
LED
Transmit Mode RA4000 Controller is transmitting data over the FC-AL
Receive
LED
Receive Mode RA4000 Controller is receiving data from the FC-AL
Storage Hub 7
The Storage Hub 7 has two rows of LEDs. The top row indicates when a GBIC is installed
correctly in the receptacle. When a GBIC is installed correctly, the LED for that port is lit.
Figure A-4. GBIC installed LEDs
The bottom row of LEDs indicates when a specific port of the Storage Hub 7 is in bypass mode.
When a GBIC is installed correctly and the port is not in the bypass mode (normal), the LED is
not lit.