Hp ProLiant DL560 Gen8 Server User Manual download pdf (Page 17)

Component identification 17

CAUTION: To avoid damage to server components, all fan modules must be installed in fan bays

for any processor configuration.

For all processor configurations, the HP ProLiant DL560 Gen8 Server requires six fan modules for

redundancy. A fan failure causes a loss of cooling redundancy. A second fan failure or a missing fan module

causes an orderly shutdown of the server.

The server supports variable fan speeds. The fans operate at minimum speed until a temperature change

requires a fan speed increase to cool the server.

The server shuts down in the following temperature-related scenarios:

• At POST and in the OS, iLO performs an orderly shutdown if a cautionary temperature level is detected.

If the server hardware detects a critical temperature level before an orderly shutdown occurs, the server

performs an immediate shutdown.

• When the Thermal Shutdown feature is disabled in RBSU, iLO does not perform an orderly shutdown

when a cautionary temperature level is detected. Disabling this feature does not disable the server

hardware from performing an immediate shutdown when a critical temperature level is detected.

CAUTION: A thermal event can damage server components when the Thermal Shutdown feature

is disabled in RBSU.

IMPORTANT: An immediate shutdown is a hardware-controlled function and it overrides any

firmware or software actions.

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Hp ProLiant DL560 Gen8 Server User Manual Page 17