Before You Begin; System Reliability Considerations; Working Inside A Server With Power On - IBM xSeries 230 6RY Hardware Maintenance Manual

Before you begin

Before you begin to install options in your server, read the following information:
v Become familiar with the safety and handling guidelines specified under
v You do not need to turn off the server to install or replace hot-swap power
v The orange color on components and labels in your server indicates hot-swap
v The blue color on components and labels identifies touch points where a
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 For a list of supported options for your server, refer to

System reliability considerations

To help ensure proper cooling and system reliability, make sure:
v Each of the drive bays has either a drive or a filler panel installed.
v Each of the power supply bays has either a power supply or a filler panel
v The cover is in place during normal operations, or is removed for no longer than
v There is space around the server to allow the server cooling system to work
v A removed hot-swap drive is replaced within two minutes of removal.
v Cables for optional adapters are routed according to the instructions provided
v A failed fan is replaced within 48 hours.

Working inside a server with power on

Your server is designed to operate safely while turned on with the cover removed,
such as when you are following the light path diagnostics (see "Light path
diagnostics" on page 14). Follow these guidelines when you work inside a server
that is turned on:
"Working inside a server with power on," "Handling static sensitive devices" on
page 48, and read "Safety information" on page 149. These guidelines will help
you work safely while working with your server or options.
supplies, or hot-swap drives.
components. This means that you can install or remove the component while the
system is running, provided that your system is configured to support this
function. For complete details about installing or removing a hot-swap
component, see the information provided in this chapter.
component can be gripped, a latch moved, and so on.
outlets for your server, monitor, and any other options that you intend to install.
http://www.ibm.com/pc/us/compat on the World Wide Web.
installed.
30 minutes while the server is operating.
Note: The front door (tower model) can be removed permanently without
affecting system reliability.
properly.
– On a tower model, leave about 127 mm (5 in.) of space around the front and
rear of the server.
– On a rack model, refer to the documentation that comes with the rack.
with the adapters.
47
Installing options