System Reliability Guidelines - IBM System x3755 Problem Determination And Service Manual

v Make sure that you have an adequate number of properly grounded electrical
v Back up all important data before you make changes to disk drives.
v Have a small flat-blade screwdriver available.
v You do not have to turn off the server to install or replace hot-swap power
v Blue on a component indicates touch points, where you can grip the component
v Orange on a component or an orange label on or near a component indicates
v When you are finished working on the server, reinstall all safety shields, guards,
v For a list of supported optional devices for the server, see http://www.ibm.com/

System reliability guidelines

To help ensure proper system cooling and system reliability, make sure that the
following requirements are met:
v Each of the drive bays has a drive or a filler panel and electromagnetic
v There is adequate space around the server to allow the server cooling system to
v If the server has redundant power, each of the power-supply bays has a power
v You have followed the cabling instructions that come with optional adapters.
v You have replaced a failed fan as soon as possible.
v You have replaced a hot-swap drive within 2 minutes of removal.
v You do not operate the server without the air baffles installed. Operating the
v For redundant operation, the power supplies are connected to 200 - 240 V ac.
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IBM System x3755 Type 8877 and 7163: Problem Determination and Service Guide
– Use a slow lifting force. Never move suddenly or twist when you lift a heavy
object.
– To avoid straining the muscles in your back, lift by standing or by pushing up
with your leg muscles
outlets for the server, monitor, and other devices.
supplies, hot-swap fans, hot-plug adapters, 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.
to remove it from or install it in the server, open or close a latch, and so on.
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.
labels, and ground wires.
servers/eserver/serverproven/compat/us/.
compatibility (EMC) shield installed in it.
work properly. Leave approximately 50 mm (2 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 server cover before you turn on the server.
Operating the server for extended periods of time (more than 30 minutes) with
the server cover removed might damage server components.
supply installed.
server without the air baffles might cause some components to overheat.