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CHAPTER 7
Diagnostics and Troubleshooting
This chapter describes the diagnostic tools available for the system and provides an
introduction to using these tools. The chapter also provides information about error
indications and software commands to help you determine what component of the
system you need to replace.
With the exception of internal disk drives in the Sun Enterprise 220R server, all other
component installation or replacement must be performed by a qualified service provider.
The following tasks are covered in this chapter:
Section 7.3 “How to Use POST Diagnostics” on page 188
Section 7.6 “How to Use OpenBoot Diagnostics (OBDiag)” on page 195
Section 7.7 “How to Set the Diagnostic Level for POST and OBDiag” on page 205
Section 7.9 “How to Check Whether SunVTS Software Is Installed” on page 208
Section 7.10 “How to Use SunVTS Software” on page 209
Other information covered in this chapter includes:
Section 7.1 “About Diagnostic Tools” on page 186
Section 7.2 “About Power-On Self-Test (POST) Diagnostics” on page 187
Section 7.5 “About OpenBoot Diagnostics (OBDiag)” on page 192
Section 7.8 “About SunVTS Software” on page 206
Section 7.11 “About Sun Enterprise SyMON Software” on page 211
Section 7.12 “About Troubleshooting Your System” on page 211
Section 7.13 “About Diagnosing Specific Problems” on page 225
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