Table 3 Power status LED (green)
LEDs Meaning
Green Normal operation with a single server or an active cluster node in
oper
ation.
Slo
w ash
(once every
three
seconds)
The system has been shut down.
Medium ash
(once every .8
seconds)
The server is available to host le services but is not currently doing
so. Also if no EVS is congured or all EVSs are running on the other
node in a cluster.
Fast ash (ve
ashes per
second)
The server is rebooting.
O The server is not powered up.
Table 4 Server status LED (amber)
LEDs Meaning
Amber Critical failure and the server is not operational.
Slow ash
(once every
thr
ee
seconds)
System shutdo
wn has failed. Flashes once every three seconds.
Medium ash
(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.
O Normal operation.
LED status indicators
Chapter 4: Hitachi NAS Platform server components
Hitachi NAS Platform and Hitachi Unied Storage Series 4000 Hardware Reference 36