IBM System Storage N3700, Hardware And Service Manual

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Interpreting Fibre Channel disk LEDs
Use the following table to interpret the disk LEDs.
Table 11. Fibre Channel disk LED interpretation
LED 1
(green) LED 2 (amber) State
Off Off No drive installed.
On/Blink off Off Drive installed and operational.
On Flashes 1 second on and 1 second off SES device identification set.
On or off On SES device fault bit set.
On or off Flashes 3 seconds on and 1 second
off
Disk port isolated (either port).
Monitoring the CPU module
The CPU module has several LEDs. The LEDs indicate whether the CPU module,
Fibre Channel ports, and network connections are functioning normally.
Location of LEDs on the CPU module
Figure 8 on page 24 shows the location of the Ethernet and Fibre Channel LEDs at
the rear of the CPU module.
Amber Green
Figure 7. Fibre Channel disk LEDs
Chapter 4. Monitoring your system
23