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48 Chapter3
troubleshooting
To troubleshoot a HP workstation c-class, you must be familiar with the HP-UX operating
system and be able to start and stop processes. You should also be familiar with the boot
ROM diagnostics, and the Mesa (Support Tools Manager) on-line tests, which we describe
in this chapter.
As a super-user who is troubleshooting a HP-UX system, you should be able to shutdown
and reboot a system, start and stop processes, and examine error logs. You should also be
able to use systems utilities such as ioscan to check device files and configurations,
swlist to show loaded patches and software bundles, and SAM to configure and show
enabled services and configurations. You should also be familiar with STM, the on-line
diagnostics tool. You can view a man page on any of these on-line utilities or commands.
Note any error or status messages, then run the power-up boot ROM diagnostics, known as
Self Test. If the Self Test diagnostics fail, replace the FRU that is indicated. If the tests
pass, but you still suspect a problem, run the ISL diagnostics and Mesa (Support Tools
Manager) on-line tests.
For a complete description of using ISL diagnostics and using Mesa (Support Tools
Manager), refer to the website URL:
http://wojo.rose.hp.com/