System Reliability Guidelines; Working Inside The Server With The Power On - IBM System x3250 M4 Installation & User Manual

v Do not attempt to lift an object that you think is too heavy for you. If you have to
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, a small Phillips screwdriver, and a T8 torx
v You do not have to turn off the server to install or replace hot-swap power
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 If the server has redundant power, each of the power-supply bays has a power
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 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 baffle installed. Operating the

Working inside the server with the power on

Attention:
the server is powered on might cause the server to halt, which might result in the
loss of data. To avoid this potential problem, always use an electrostatic-discharge
wrist strap or other grounding system when you work inside the server with the
power on.
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IBM System x3250 M4 Type 2583: Installation and User's Guide
hot-swap component for any additional procedures that you might have to
perform before you remove or install the component.
lift a heavy object, observe the following precautions:
– Make sure that you can 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.
screwdriver available.
supplies, hot-swap hard disk 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 from the server before you perform any steps that involve removing or
installing a riser card.
labels, and ground wires.
servers/eserver/serverproven/compat/us/.
compatibility (EMC) shield installed in it.
supply installed in it.
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 server cover before you turn on the server.
server without the air baffle might cause the microprocessor to overheat.
Static electricity that is released to internal server components when