Hitachi NAS Platform 4000 Series - Page 51

Table 14 NVRAM status LED (green/amber)
State Meaning
Green
(solid)
Normal operation
Green
(ashing)
NVRAM contents are protected by battery power
Amber
(solid)
Battery pack is faulty or not tted
O Disabled or NVRAM battery power exhausted
Table 15 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 congured 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 16 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.
Rear panel LED state descriptions
Chapter 4: Hitachi NAS Platform server components
Hitachi NAS Platform and Hitachi Unied Storage Series 4000 Hardware Reference 51