Interpreting Led Activity - Dell FC SAN User Manual

3. Review the system log for errors.

Interpreting LED activity

Each FC SAN Module uses LEDs to indicate status. These LEDs are shown in
FIGURE 5
TABLE 2
Location
1
2 (status icon)
and 3 (LED)
Dell 8/4Gbps FC SAN Module Hardware User's Manual
53-1001964-01
Any errors detected during POST are written to the system log. Access this log through the
Module's CLI errShow command. For information about this command, see the Dell 8/4Gbps
FC SAN Module Administrator's Guide.
LED Locations
Key to Figure 5
Indicator Color
FC (external) green/amber
port status
module green/amber
status
1
Operation
Note: LED meanings are not valid during boot, diagnostics,
or POST.
Green:
Off (dark): No signal carrier or unlicensed.
Steady: Online normal active port but no port activity.
Flickering: normal active port (I/O activity).
Slow blink: Online but segmented.
Fast blink: Internal loopback.
Amber
Steady: Signal present but not online.
Slow blink or flash: Disabled port (less than two second
interval).
Fast (rapid) blink or flash: Error or fault with port (less than
1/2 second interval).
Off:
FC SAN Module is off or power supplies for the Blade Server
or onboard DCC have failed.
Green:
No errors and all ports are ready for use.
Amber:
Steady: Boot-up state, port(s) offline, or in reset state.
Blinking (green/amber): One or more environmental ranges
are exceeded, or error log contains diagnostic error
messages.
Note: The LED might blink during testing.
Interpreting LED activity
Figure 5.
6
2 3
4
3
7
5
23