Hardware options installation 54
Fan population guidelines
Configuration Fan bay 1 Fan bay 2 Fan bay 3 Fan bay 4 Fan bay 5 Fan bay 6 Fan bay 7
One processor,
non-redundant
Blank Blank Blank Fan Blank Fan Fan
One processor,
redundant
Two processors,
non-redundant
Fan Fan Fan Blank Fan Fan Fan
Two processors,
redundant
Fan Fan Fan Fan Fan Fan Fan
• In a single-processor, nonredundant configuration, fans 4, 6, and 7 cool the server. To enable the
redundant fan mode, install a new fan in the fan bay 5.
• In a dual-processor, nonredundant configuration, fans 1, 2, 3, 5, 6, and 7 cool the server. To enable
the redundant fan mode, install a new fan in the fan bay 4.
• In the redundant fan mode:
o If one fan rotor fails, the system continues to operate without redundancy. This condition is indicated
by a flashing amber Health LED.
o If two fan rotors fail, the system shuts down.
• The minimum fan requirement to make this server bootable is three fans for a single processor and six
fans for a dual processor configuration.
Installing a hot-swap fan module
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