IBM HS12 Service Guide - Page 79

Diagnostics, Diagnostic tools overview

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Chapter 6. Diagnostics Use this information to review the diagnostic tools that are available to help you solve problems that might occur in the blade server. Review the diagnostic tools that are available to help you solve problems that might occur in the blade server. Note: The blade server uses shared resources that are installed in the BladeCenter unit. Problems with these shared resources might appear to be in the blade server (see "Solving shared BladeCenter resource problems" on page 167 for information about isolating problems with these resources). If you cannot locate and correct a problem by using the information in this chapter, see "Hardware service and support" on page 177 for more information. Diagnostic tools overview Use this overview to locate specific diagnostic tools to diagnose and solve hardware-related problems. The following tools are available to help you diagnose and solve hardware-related problems: v POST beep codes The power-on self-test beep codes can indicate the detection of a problem. - One beep indicates successful completion of POST - Repeating long beeps indicate a memory error. Make sure that all DIMMs are correctly installed. For more information, see "Installing a memory module" on page 46. - See the Problem Determination and Service Guide for more information about beep codes. v POST error codes See the Problem Determination and Service Guide for more information. v The POST error codes table in "ServerGuide problems" on page 126 lists problem symptoms and steps to correct the problems. For more information about POST error problem symptoms and steps to correct the problems, see the Problem Determination and Service Guide for your blade server. v Troubleshooting tables Use the troubleshooting tables to find solutions to problems that have identifiable symptoms. For more information about troubleshooting tables, see the Problem Determination and Service Guide for your blade server. v Diagnostic programs and error messages Real Time Diagnostics tests the major components of the BladeCenter unit, including the management modules, I/O modules, removable-media drives, and the blade servers, while the operating system is running. Real Time Diagnostics can be plugged into an existing IBM Director environment or installed without IBM Director present. For documentation and download information for Real © Copyright IBM Corp. 2008, 2010 67

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Chapter 6. Diagnostics
Use this information to review the diagnostic tools that are available to help you
solve problems that might occur in the blade server.
Review the diagnostic tools that are available to help you solve problems that
might occur in the blade server.
Note:
The blade server uses shared resources that are installed in the BladeCenter
unit. Problems with these shared resources might appear to be in the blade server
(see “Solving shared BladeCenter resource problems” on page 167 for information
about isolating problems with these resources).
If you cannot locate and correct a problem by using the information in this chapter,
see “Hardware service and support” on page 177 for more information.
Diagnostic tools overview
Use this overview to locate specific diagnostic tools to diagnose and solve
hardware-related problems.
The following tools are available to help you diagnose and solve hardware-related
problems:
v
POST beep codes
The power-on self-test beep codes can indicate the detection of a problem.
–
One beep indicates successful completion of POST
–
Repeating long beeps indicate a memory error. Make sure that all DIMMs are
correctly installed. For more information, see “Installing a memory module”
on page 46.
–
See the
Problem Determination and Service Guide
for more information about
beep codes.
v
POST error codes
See the
Problem Determination and Service Guide
for more information.
v
The POST error codes table in “ServerGuide problems” on page 126 lists
problem symptoms and steps to correct the problems.
For more information about POST error problem symptoms and steps to correct
the problems, see the
Problem Determination and Service Guide
for your blade
server.
v
Troubleshooting tables
Use the troubleshooting tables to find solutions to problems that have
identifiable symptoms. For more information about troubleshooting tables, see
the
Problem Determination and Service Guide
for your blade server.
v
Diagnostic programs and error messages
Real Time Diagnostics tests the major components of the BladeCenter unit,
including the management modules, I/O modules, removable-media drives, and
the blade servers, while the operating system is running. Real Time Diagnostics
can be plugged into an existing IBM Director environment or installed without
IBM Director present. For documentation and download information for Real
© Copyright IBM Corp. 2008, 2010
67