Chapter 2: Troubleshooting Your Library
Interpreting LEDs
Quantum Scalar i6000 User’s Guide 99
Interpreting Fibre Port
Link LEDs
A fibre port link LED shows the state of the Fibre Channel link and
whether the link is ready to transmit commands.
Drive Sled Fibre Channel Link LED
The Fibre Channel link LED for a drive sled is located on the rear of the
drive sled.
Figure 24 on page 96 shows the location of the Fibre Channel
link LED on the rear of the UDS-2 drive sled, and Figure 25 on page 97
shows the location of the Fibre Channel link LED on the rear of the UDS-
3 drive sled.
Tab l e 12 describes how to interpret the Fibre Channel link LED activity
that you might see on the rear of the UDS-2 drive sled. Tab le 13 on
page 100 on page 135 describes the Fibre Channel link LED activity on
the rear of the UDS-3 drive sled.
Table 12 Explanation of Fibre
Drive Sled Link LED States
(UDS-2)
LED Color Represents State and Explanation
Green LIP and
activity
• Solid on — loop initialization protocol (LIP) has occurred.
• Blinks at irregular intervals — host command/data activity is
occurring.
Amber Online and
light
detected
• Solid on — the library has enabled the drive data bus; it can detect
light through a fiber optic cable.
No color • Solid off — the drive brick is varied off or the drive cannot detect
light through a fiber optic cable (equivalent to no fibre cable plugged
in). If the drive brick is varied off, the blue status LED will be solid on.
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