HP DL385 HP ProLiant DL385 Generation 2 Server User Guide - Page 30
Hot-plug fan operation
UPC - 884420300588
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4. Remove the cable management arm. Hot-plug fan operation 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: o The BIOS suspends the server for 5 minutes if it detects a cautionary temperature level. If the cautionary temperature level is still detected after 5 minutes, the BIOS performs an orderly shutdown and enters Standby mode. o The BIOS performs an orderly shutdown if two or more fans have failed. o The server performs an immediate shutdown if it detects a critical temperature level. IMPORTANT: An immediate shutdown is a hardware-controlled function and it overrides any firmware or software actions. • In the operating system: o The Health Driver performs an orderly shutdown if it detects a cautionary temperature level. If the server detects a critical temperature level before the orderly shutdown occurs, the server performs an immediate shutdown. Additionally, the Health Driver performs an orderly shutdown if more than one fan is failed or removed. o When Thermal Shutdown is disabled in RBSU, the server performs an immediate shutdown if it detects a critical temperature level. IMPORTANT: An immediate shutdown is a hardware-controlled function and it overrides any firmware or software actions. Operations 30