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Chapter 7. Solving problems
This chapter provides basic troubleshooting information to help you solve some
common problems that might occur while setting up your blade server.
A problem with the BladeCenter QS21 can relate either to the BladeCenter QS21 or
the BladeCenter unit.
A problem with the blade server exists if the BladeCenter unit contains more than
one blade server and only one of the blade servers has the symptom. If all of the
blade servers have the same symptom, then the problem relates to the BladeCenter
unit. For more information, see the documentation that comes with your
BladeCenter unit.
Note: The BladeCenter QS21 is supported in the BladeCenter H Type 8852 unit
Prerequisites
Before you start problem determination or servicing, check that:
v The BladeCenter QS21 is inserted correctly into the BladeCenter unit
v All components are connected correctly
v The BladeCenter QS21 has the latest firmware updates. These include:
Basic checks
If you install the blade server in the BladeCenter unit and the blade server does not
start, always perform the following basic checks before continuing with more
advanced troubleshooting:
v Make sure that the BladeCenter unit is correctly connected to a power source.
v Reseat the blade server in the BladeCenter unit (see Chapter 3, "Installing the
v If the power on LED is flashing slowly, the blade server may be turned off. To
v If you have just added a new optional device or component, make sure that it is
v Use Advanced Management Module to check that the blade server appears in
© Copyright IBM Corp. 2006, 2008
and the BladeCenter HT Type 8740 and 8750 (enterprise environment only)
unit. However you can put other blade servers compatible with the
BladeCenter units in the same unit as a BladeCenter QS21.
– BMC
– System
– Gigabit Ethernet controller
– SAS expansion card (if installed)
– InfiniBand high-speed expansion card (if installed)
blade server," on page 15).
turn on the blade server, see "Turning on the blade server" on page 9 for further
information.
correctly installed and compatible with the blade server and its components. If
the device or component is not compatible, remove it from the blade server,
reinstall the blade server in the BladeCenter unit, and then restart the blade
server.
the list of blade servers available.
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