System Reliability Guidelines - Huawei Tecal RH5485 Installation And User Manual

Tecal RH5485 Server
Installation and User's Guide
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A single-power-supply server operating at 208 V ac
One power supply operating at 208 V ac supports a fully populated server, but it does not
support power or cooling redundancy.

System reliability guidelines

To help ensure proper cooling and system reliability, make sure that the following
requirements are met:
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Issue 02 (2011-05-25)
Observe good housekeeping in the area where you are working. Place removed covers
and other parts in a safe place.
If you must start the server while the cover is removed, make sure that no one is near the
server and that no tools or other objects have been left inside the server.
Do not attempt to lift an object that you think is too heavy for you. If you have to lift a
heavy object, observe the following precautions:
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Make sure that you can stand safely without slipping.
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Distribute the weight of the object equally between your feet.
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Use a slow lifting force. Never move suddenly or twist when you lift a heavy object.
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To avoid straining the muscles in your back, lift by standing or by pushing up with
your leg muscles.
Make sure that you have an adequate number of properly grounded electrical outlets for
the server, monitor, and other devices.
Back up all important data before you make changes to disk drives.
Have a small flat-blade screwdriver available.
To view the error LEDs on the system board and internal components, leave the server
connected to power.
You do not have to turn off the server to install or replace hot-swap power supplies,
hot-swap hard disk drives, hot-swap fans, or hot-plug Universal Serial Bus (USB)
devices. However, you must turn off the server before you perform any steps that
involve removing or installing adapter cables.
Blue on a component indicates touch points, where you can grip the component to
remove it from or install it in the server, open or close a latch, and so on.
Orange on a component or an orange label on or near a component indicates that the
component can be hot-swapped, which means that if the server and operating system
support hot-swap capability, you can remove or install the component while the server is
running. (Orange can also indicate touch points on hot-swap components.) See the
instructions for removing or installing a specific hot-swap component for any additional
procedures that you might have to perform before you remove or install the component.
When you are finished working on the server, reinstall all safety shields, guards, labels,
and ground wires.
Each of the drive bays has a drive or an electromagnetic compatibility (EMC) shield
installed in it.
If the server has redundant power, each of the power-supply bays has a power supply
installed in it.
There is adequate space around the server to allow the server cooling system to work
properly. Leave approximately 50 mm (2.0 in.) of open space around the front and rear
of the server. Do not place objects in front of the fans. For proper cooling and airflow,
replace the top cover before you turn on the server. Operating the server for extended
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