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Chapter 5. 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 chassis. Problems with
these shared resources might appear to be in the blade server (see "Solving shared BladeCenter resource
problems" on page 269 for information about isolating problems with these resources).
If you cannot diagnose and correct a problem by using the information, see Appendix A "Getting help and
technical assistance" on page 277 for more information.
Service bulletins
IBM continually updates the support website with tips and techniques that you can use to solve any
problems that you might be having with the BladeCenter HX5 blade server.
To find any service bulletins that are available for the BladeCenter HX5 blade server, go to the BladeCenter
support search website at http://www.ibm.com. In the Search field, enter the following terms: 7872 and
retain tip.
Checkout procedure
The checkout procedure is the sequence of tasks that you should follow to diagnose a problem in the blade
server.
Before you perform the checkout procedure for diagnosing hardware problems, review the following
information:
• Read "Safety" on page v and "Installation guidelines" on page 65.
• IBM Dynamic Systems Analysis (DSA) provides the primary method of testing the major components of
the server, such as the microprocessor board, Ethernet controller, keyboard, mouse (pointing device),
serial ports, and hard disk drives. You can also use it to test some external devices. If you are not sure
whether a problem is caused by the hardware of by the software, you can use DSA to confirm that the
hardware is working correctly.
• When you run DSA, a single problem might cause more than one error message. When this happens,
correct the cause of the first error message. The other error messages usually will not occur the next time
you run DSA.Exception: If multiple error codes or light path diagnostics LEDs indicate a microprocessor
error, the error might be in a microprocessor or in a microprocessor socket.
• If the blade server is halted and a POST error code is displayed, see "POST error codes" on page 149. If
the blade server is halted and no error message is displayed, see "Troubleshooting tables" on page 253
and "Solving undetermined problems" on page 274.
• For intermittent problems, check the error log; see "Event logs" on page 147 and "IBM Dynamic System
Analysis " on page 211.
• If no LEDs are lit on the blade server front panel, verify the blade server status and errors in the advanced
management module web interface; also see "Solving undetermined problems" on page 274.
• If device errors occur, see "Troubleshooting tables" on page 253.
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