Sun Microsystems Sun Fire V440 Diagnostics And Troubleshooting Manual page 6

Responding to System Error States 123
Responding to System Hang States 123
Responding to Fatal Reset Errors and RED State Exceptions 124
About Unexpected Reboots 126
How to Troubleshoot a System With the Operating System Responding 126
How to Troubleshoot a System After an Unexpected Reboot 131
How to Troubleshoot Fatal Reset Errors and RED State Exceptions 142
How to Troubleshoot a System That Does Not Boot 154
How to Troubleshoot a System That Is Hanging 160
A. Configuring the System Console 163
About Communicating With the System 164
About the sc> Prompt 169
About the ok Prompt 171
About Switching Between the ALOM System Controller and the System
Console 175
How to Get to the ok Prompt 176
How to Use the Serial Management Port 178
How to Activate the Network Management Port 179
How to Access the System Console via a Terminal Server 181
How to Access the System Console via tip Connection 184
How to Modify the /etc/remote File 187
How to Access the System Console via an Alphanumeric Terminal 189
How to Verify Serial Port Settings on ttyb 191
How to Access the System Console via a Local Graphics Monitor 192
Reference for System Console OpenBoot Configuration Variable Settings 196
Index 199
vi Sun Fire V440 Server Diagnostics and Troubleshooting Guide • July 2003