Use the following table to interpret tape drive activity by observing tape drive
LEDs (
1
in Figure 9-3).
Table 9-3. Tape Drive Activity
LED
Color Represents Drive Status
Green Processor
activity
v Solid ON - Drive’s main processor is not operating
v Solid ON for 3 seconds, then blinks twice - Drive firmware is
downloading
v 1 blink per second - Normal: Drive operational
v Blinks 3 times in 3 seconds, then pauses (solid OFF), and then
repeats - Drive is activating (varying online)
v 10 blinks per second - Identify mode
v Solid OFF - Drive’s main processor is not operating
Amber Health of
the drive
v Solid ON - Drive has failed
v Solid OFF - Normal: drive operational
Blue Power
control
v Solid ON - Drive is powered down and ready to be replaced or
varied online
v 1 blink per 10 seconds - Normal: Drive operational
v Solid OFF - Drive is not receiving power
Fibre Port Link LED
The fibre port link LED (
2
in Figure 9-3) shows the current state of the fibre
channel link and indicates whether or not the link is ready to transmit commands.
1
a66ug040
2
Figure 9-3. Tape drive LEDs
Chapter 9. Troubleshooting 9-9
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