HP 3PAR InForm OS 3.1.1 Messages and Operators Guide
Controller Node LEDs
Depending on configuration, storage systems contain between two and eight controller nodes, all
located in the chassis. Controller nodes have the following LEDs:
NOTE: You can issue the locatenode command to flash all service LEDs associated to a
controller node blue. This includes the power supplies, battery modules, and fan module LEDs.
Table 35 Controller Node LEDs
IndicatesAppearanceLED
Normal operation.No lightNode Disk
Steady blueNode Service
• In combination with the status LED
blinking green three times per
second, indicates the controller node
is prepared for removal.
• In combination with the status LED
being solid, indicates a fatal node
failure.
• In combination with the node status
LED blinking green or amber one
time per second, indicates the
servicenode start command
was issued to illuminate the node
service LEDs.
Normal operation.No light
The locatenode command was issued
to locate the node or the FRU is not fully
seated.
Flashing blue light
A quick flashing light means the node
is booting. A slow flashing light means
the node is part of the cluster.
Flashing green lightNode Status
The node is booting but has not joined
the cluster.
Steady green light
76 Understanding HP 3PAR StoreServ 10000 Storage LED Status