Network Connection Problems; Option Problems - IBM JS20 - BladeCenter - 8842 Maintenance And Troubleshooting Manual

Network connection problems

Symptom
One or more blade servers are
unable to communicate with the
network.

Option problems

Symptom
An IBM option that was just
installed does not work.
An IBM option that used to work
does not work now.
150
BladeCenter JS20 Type 8842: Hardware Maintenance Manual and Troubleshooting Guide
FRU/action
Verify that:
v The switch modules for the network interface being used are installed in the
correct BladeCenter bays and are configured and operating correctly. See the
Hardware Maintenance Manual and Troubleshooting Guide for your BladeCenter
unit.
v The settings in the switch module are appropriate for the blade server (settings
in the switch module are blade-server specific).
If you installed an I/O expansion option, verify that:
v The option is designed for the blade server (see the ServerProven
http://www.ibm.com/servers/eserver/serverproven/compat/us/ for compatibility
information).
v You followed the installation instructions that came with the option.
v The option is installed correctly.
v You have not loosened any other installed options or cables.
v The new configuration information was saved in the blade-server firmware code.
Whenever memory or an option is changed, the new configuration information is
automatically saved in the blade-server firmware code.
If the problem remains, see "Undetermined problems" on page 156.
FRU/action
1. Verify that:
v The option is designed for the computer (see the ServerProven list at
http://www.ibm.com/pc/us/compat/).
v You followed the installation instructions that came with the option.
v The option is installed correctly.
v You have not loosened any other installed options or cables and that all
option hardware and cable connections are secure.
2. If the option comes with its own test instructions, use those instructions to test
the option.
3. Replace the option you just installed.
1. Verify that all of the option hardware and cable connections are secure.
2. If the option comes with its own test instructions, use those instructions to test
the option.
3. Replace the option you just installed.
®
list at