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HP 124708-001 - ProLiant Cluster - 1850 エラー防止マニュアル
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Be sure the server does not share a power line with high-current machines, such
as laser printers, air conditioners, copiers, and coffee machines, or ungrounded
power strips.
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Periodically check AC grounded (earthed) outlets to see if they are in need of
repair.
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Take the system cover off, and then remove any dust buildup with a can of
compressed air, tighten any loose connections, reseat boards, and inspect any
cables for frays. Move the cables away from sources of heat and give them more
slack if possible.
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Check for adequate airflow and dislodge anything blocking the fans.
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Check for dust on external server parts, such as fans.
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Check the server after power disruptions due to acts of nature. Refer to the
"Recognizing Power Problems Caused by Acts of Nature" section in this guide.
Recognizing Power Problems Caused by
Acts of Nature
Some power problems are caused by acts of nature, which can range from lightning
and excessive heat to ice, rain, and windstorms. Lightning can cause spikes and
surges (a spike is a quick impulse of undesirable high voltage on a power line,
typically lasting only a fraction of a second, whereas a surge is a sudden increase in
line voltage of short duration). Excessive heat from increased use of air conditioners
can overload utility grids, causing erratic voltages, brownouts, or power outages
(brownouts are voltage reductions by a utility company to counter excessive demand
on its generation and distribution system). Storms can cause total blackout conditions
due to downed power lines.
Error Prevention Guide
CAUTION: To avoid potential problems, always read the cautionary information
in the server documentation before removing, replacing, reseating, or modifying
system components.
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