HP 3PAR T-Class Installation and Deinstallation Guide

Consult Table 15 (page 83) to verify proper functioning of controller nodes.
Table 15 Controller Node LED Displays
MeaningAppearanceLED
Indicates the internal disk is ready for
hot-plug.
Steady amber lightDisk Hot-plug
Indicates the internal disk is not ready
for hot-plug.
No light.
In combination with the Status LED
blinking green three times per second,
Steady amber lightNode Hot-plug
indicates the controller node is
prepared for removal. In combination
with the Status LED being solid,
indicates a fatal node failure.
Indicates node is not prepared for
removal.
No light
Indicates node is fully functional and
part of the cluster.
Flashing green light (1 blink per
second)
Node Status
Indicates the node has a failed or
missing power supply, fan, backup
Flashing amber light (1 blink per
second)
battery, or TOD battery, but the node
is still operational.
Indicates node is in the process of
joining the cluster.
Steady green light
Indicates the node is safe to remove.Rapidly flashing green (3 blinks per
second), in conjunction with the
hot-plug LED being solid amber.
Indicates an error within the node.Steady amber light
Indicates a fatal node failure.Solid amber and hot-plug LED amber
Indicates Ethernet activity.Steady or flashing green lightEthernet activity
Indicates no Ethernet activity.No light
1000 Mb/sec mode.Steady amber lightEthernet 10/100/1000 Mbps
100 Mb/sec mode.Steady green light
10 Mb/sec mode (or disconnected).No light
Fibre Channel Port LEDs
The Fibre Channel adapter contained in the controller node also contains Fibre Channel port LEDs
(Figure 75 (page 84)).
Using the Component LEDs 83