User's Manual

Chapter 8 Troubleshooting
Interpreting LEDs
Scalar i500 User’s Guide 343
the fibre port above. Black lines on the FC I/O blade faceplate may
indicate which LED belongs to which port.
Use Table 13
to interpret Fibre Channel link activity on an FC I/O blade.
Table 13 Fibre Port Link LED
on FC I/O Blade
*
LED flashing increases as the activity increases and can actually appear off if the activity is high enough.
Also, when the blade boots up, the link LEDs are all on until firmware initializes the ports, at which time they
turn off until the port transmitter is enabled and link is acquired.
FC I/O Fan Blade LED 8
RAS tickets typically report problems related to fan blades. Use table 14
to interpret fan blade activity.
Table 14 Fan Blade Status
LED Color Represents Fibre Port Link Status
Green Link and activity • Off – no link or link with constant activity*
• Solid On – link or blade is booting
• Flashing – link with activity
LED Color Represents Fibre Port Link Status
Amber Health of the fan blade • Solid off — The fan blade is operating normally.
• Solid on — There may be one or more problems,
including: fan speed is too high or too low; temperature
is too high; there is a faulty fan speed sensor; or there is
a power control problem.