System Reliability Guidelines - IBM x3690 X5 Service Manual

v Observe good housekeeping in the area where you are working. Place removed
v Do not attempt to lift an object that you think is too heavy for you. If you have
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,

System reliability guidelines

To help ensure proper 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 You have followed the cabling instructions that come with optional adapters.
v You have replaced a failed fan within 48 hours.
v You have replaced a hot-swap fan within 30 seconds of removal.
v You have replaced a hot-swap drive within 2 minutes of removal.
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System x3690 X5 Types 7147, 7148, 7149, and 7192: Problem Determination and Service Guide
here," on page 1, "IBM Dynamic System Analysis" on page 80, and the Problem
Determination and Service Guide for diagnostic information.
covers and other parts in a safe place.
to lift a heavy object, observe the following precautions:
– Make sure that you stand safely without slipping.
– Distribute the weight of the object equally between your feet.
– 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-swap drives, 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, and you must disconnect the
power source before you perform any steps that involve removing or installing
riser cards.
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.
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.