Troubleshooting And Diagnostics - Sun Microsystems Sun Fire V20z User Manual

3
C H A P T E R

Troubleshooting and Diagnostics

Before troubleshooting your specific server problem, collect the following
information:
What events occurred prior to the failure?
■
Was any hardware or software modified or installed?
■
Was the server recently installed or moved?
■
How long has the server exhibited symptoms?
■
What is the duration or frequency of the problem?
■
The guidelines in "Preventive Troubleshooting" on page 3-2 will help you to prevent
problems from occurring and will make troubleshooting easier.
After you have assessed the problem and noted your current configuration and
environment, you can choose from several ways to troubleshoot your server:
Visually inspect your system as described in "Visually Inspecting Your System"
■
on page 3-3.
Execute the Troubleshooting Dump Utility as described in "Troubleshooting
■
Dump Utility" on page 3-5.
Install and execute diagnostics tests as described in "Diagnostics" on page 3-6
■
.
3-1