Troubleshooting Overview 2-11
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2.6 FORTH Monitor
The FORTH Monitor is a basic diagnostic utility and system interface. If there
is any problem with your operating system, the FORTH Monitor automatically
starts, as indicated by the appearance of the ok prompt (the Monitor also starts
if auto-boot? is set to false).
You can also choose to access the FORTH Monitor by halting the system.
For information on how to access the FORTH Monitor, see Appendix D,
“FORTH Diagnostics.” For extensive information about tests you can run from
the FORTH Monitor, see OpenBoot Command Reference.
2.7 System Exercisers
Use the SunDiag System Exerciser (Solaris 2.4 and earlier) or SunVTS
(Solaris 2.5 and later) to determine real-time use of system resources and
peripheral equipment such as Desktop Storage Modules and External Storage
Modules. The System Exerciser verifies that the system is functioning properly.
For information about how to use the System Exerciser, see the SunDiag User’s
Guide; for information about SunVTS see the SunVTS User’s Guide.
If SunDiag passes, the system is operating properly. If SunDiag fails, the error
messages should indicate the part of the system that has failed. If the error
messages are not descriptive enough, you may need to run POST.
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