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Table 14 NVRAM status LED (green/amber)
State
Green
Normal operation
(solid)
Green
NVRAM contents are protected by battery power
(flashing)
Amber
Battery pack is faulty or not fitted
(solid)
Off
Disabled or NVRAM battery power exhausted
LEDs
Green
Normal operation with a single server or an active cluster node in
operation.
Slow flash
The system has been shut down.
(once every
three
seconds)
Medium flash
The server is available to host file services but is not currently doing
(once every .8
so. Also if no EVS is configured or all EVSs are running on the other
seconds)
node in a cluster.
Fast flash (five
The server is rebooting.
flashes per
second)
Off
The server is not powered up.
LEDs
Amber
Critical failure and the server is not operational.
Slow flash
System shutdown has failed. Flashes once every three seconds.
(once every
three
seconds)
Chapter 4: Hitachi NAS Platform server components
Hitachi NAS Platform and Hitachi Unified Storage Series 4000 Hardware Reference
Meaning
Table 15 Power status LED (green)
Meaning
Table 16 Server status LED (amber)
Meaning
Rear panel LED state descriptions
51
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