Users Guide

Chapter 13 Troubleshooting
Interpreting LEDs
Dell PowerVault ML6000 User’s Guide 400
the fibre port above. Black lines on the FC I/O blade faceplate may
indicate which LED belongs to which port.
Use Table 12 to interpret Fibre Channel link activity on an FC I/O blade.
Table 12 Fibre Port Link LED
on FC I/O Blade
Servicing the LCB Based
on LED Status 13
1 Observe the blinking patterns of the LEDs for at least 30 seconds.
2 Capture a snapshot of the library, and send it to Dell Technical
Support for analysis.
Tape Drive LEDs 13
RAS tickets typically report all problems related to tape drives, including
error codes and TapeAlerts. By observing the blinking pattern of LEDs on
tape drives, however, you can discern which operation the tape drive is
currently performing.
Figure 42 shows where the tape drive LEDs and the fibre port link LED
are located.
LED Color Represents Fibre Port Link Status
Green Link and activity • Blinking – Link with activity.
• OFF – No link or link with constant activity*.
• Solid ON – Blade is initializing.
*
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.