Installation guidelines
Before you install options in the BladeCenter unit, read the following information:
v Read the safety information that begins on page vii and the guidelines in
“Handling static-sensitive devices.” This information will help you work safely.
v Orange on a component or an orange label on or near a component indicates
that the component can be hot-swapped, which means that you can remove or
install the component while the BladeCenter unit 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.
v You do not have to disconnect the BladeCenter unit from power to install or
replace any of the hot-swap modules in the BladeCenter unit. You must shut
down the operating system and turn off a hot-swap blade server before you
remove the blade server, but you do not have to shut down the BladeCenter unit
itself.
v Blue on a component indicates touch points where you can grip the component
to remove it from or install it in the BladeCenter unit, open and close a latch, and
so on.
v For a list of supported options for the BladeCenter unit, see
http://www.ibm.com/bladecenter/
System reliability guidelines
To help ensure proper cooling and system reliability, make sure that the following
requirements are met:
v Each of the module bays on the rear of the BladeCenter unit has either a module
or a module filler installed.
v Each of the blade bays on the front of the BladeCenter unit has either a blade
server or a blade filler installed.
v Each of the drive bays in a blade-server storage expansion option has either a
hot-swap drive or a filler panel installed.
v A removed hot-swap module, blade server, or drive is replaced within 1 minute of
removal.
v Cables for the optional modules are routed according to the illustrations and
instructions in this document.
v A failed blower is replaced as soon as possible, to restore cooling redundancy.
Handling static-sensitive devices
Attention: Static electricity can damage the BladeCenter unit and other electronic
devices. To avoid damage, keep static-sensitive devices in their static-protective
packages until you are ready to install them.
To reduce the possibility of electrostatic discharge, observe the following
precautions:
v Limit your movement. Movement can cause static electricity to build up around
you.
v Handle the device carefully, holding it by its edges or its frame.
v Do not touch solder joints, pins, or exposed printed circuitry.
v Do not leave the device where others can handle and damage it.
18 BladeCenter H Type 8852, 7989, and 1886: Installation and User’s Guide
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