IBM BladeCenter QS20, Problem Determination And Service Manual

Page: 28 / 100

Table 2. Where to find troubleshooting information (continued)
Component Where to find information
LEDs
Power
Network connections
Service processor
Software problems
“Troubleshooting charts” on page 13
For troubleshooting information about other BladeCenter components, see the IBM
BladeCenter (Type 8677) Hardware Maintenance Manual and Troubleshooting
Guide , product-specific documentation, and other related documentation. For the
latest editions of the IBM BladeCenter documentation, go to http://www.ibm.com/pc/
support/ on the World Wide Web. See “Related documentation” on page 1 for
additional information.
Communicating with the blade server
You can access the blade server through:
v The management module, either through
– The Web-based management and configuration program. This is your main
access method to the blade server.
or
– The command-line interface. See “Using the command-line interface” on page
11.
v The serial interface. See “Using the serial interface.”
Note: Each server needs its own serial connection.
The next sections describe the management and configuration program in the
Management Module in more detail.
Using the serial interface
Use the serial interface to:
v
Observe firmware progress.
v Access the Linux terminal in order to configure Linux.
Web interface
Management
module
BladeCenter
Command-line
interface
telnet
Terminal
emulator
Serial
connection
BladeCenter QS20
BladeCenter QS20
BladeCenter QS20
BladeCenter QS20
BladeCenter QS20
BladeCenter QS20
BladeCenter QS20
Note:
Each BladeCenter QS20
needs its own serial connection
Figure 4. Communication with the blade servers
10
BladeCenter QS20 Type 0200: Problem Determination and Service Guide