Table 3 Power status LED (green)
LEDs
Meaning
Green
Normal operation with a single server or an active cluster node in
operation.
Slow
flash
(once every
three
seconds)
The system has been shut down.
Medium
flash
(once every .8
seconds)
The server is available to host
file
services but is not currently doing
so. Also if no EVS is
configured
or all EVSs are running on the other
node in a cluster.
Fast
flash
(five
flashes
per
second)
The server is rebooting.
Off
The server is not powered up.
Table 4 Server status LED (amber)
LEDs
Meaning
Amber
Critical failure and the server is not operational.
Slow
flash
(once every
three
seconds)
System shutdown has failed. Flashes once every three seconds.
Medium
flash
(once every .8
seconds)
The server needs attention, and a non-critical failure has been
detected, for example, a fan or power supply has failed. Flashes once
every .8 seconds.
Off
Normal operation.
LED status indicators
Chapter 4: Hitachi NAS Platform server components
Hitachi NAS Platform and Hitachi
Unified
Storage Series 4000 Hardware Reference
36