System Reliability Guidelines; Working Inside The Server With The Power On - IBM System x3850 Installation Manual
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Also See for System x3850:
- Configuration and options manual (548 pages) ,
- Service manual (192 pages) ,
- User manual (100 pages)
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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 cooling and system reliability, make sure that:
v Each of the drive bays has a drive or a filler panel installed in it.
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 within 48 hours.
v You have replaced a hot-swap drive within 2 minutes of removal.
v You do not run the server without the air baffle installed. Operating the server
v Microprocessor sockets 2, 3, and 4 always contain either a microprocessor baffle
Working inside the server with the power on
The server supports hot-swap devices and is designed to operate safely while it is
turned on and the cover is removed. Follow these guidelines when you work inside
a server that is turned on:
Attention:
the server is powered-on might cause the server to halt, which could result in the
loss of data. To avoid this potential problem, always use an electrostatic-discharge
wrist strap or other grounding system when working inside the server with the
power on.
v Avoid wearing loose-fitting clothing on your forearms. Button long-sleeved shirts
v Do not allow your necktie or scarf to hang inside the server.
v Remove jewelry, such as bracelets, necklaces, rings, and loose-fitting wrist
v Remove items from your shirt pocket, such as pens and pencils, that could fall
8
IBM System x3850 Type 8864: Installation Guide
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/.
supply 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 turning on the server.
Operating the server for extended periods of time (more than 30 minutes) with
the server cover removed might damage server components.
without the air baffle might cause the microprocessor or microprocessors to
overheat.
or a microprocessor and heat sink.
Static electricity that is released to internal server components when
before working inside the server; do not wear cuff links while you are working
inside the server.
watches.
into the server as you lean over it.
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