Sun Microsystems 220R manual Diagnostics and Troubleshooting

C H A P T E R 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 some information about error indications and software commands to help you determine and report to your qualified service provider, what component of the system needs to be replaced. For a more complete treatment of diagnostic tools, see the Sun Enterprise 220R Server Service Manual.

With the exception of internal disk drives in the Sun Enterprise 220R server, all other component installation or replacement must performed by a qualified service provider.

The following tasks are covered in this chapter:

■“How to Use POST Diagnostics” on page 121

■“How to Use OpenBoot Diagnostics (OBDiag)” on page 129

■“How to Set the Diagnostic Level for POST and OBDiag” on page 131

■“How to Check Whether SunVTS Software Is Installed” on page 134

■“How to Use SunVTS Software” on page 135

The following information is also included:

■“About Diagnostic Tools” on page 118

■“About Power-On Self-Test (POST) Diagnostics” on page 120

■“About OpenBoot Diagnostics (OBDiag)” on page 126

■“About SunVTS Software” on page 132

■“About Sun Enterprise SyMON Software” on page 137

■“About Troubleshooting Your System” on page 138

■“About Diagnosing Specific Problems” on page 147

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