9-8 UltraEnterprise 6000/5000/4000 Systems Manual—November 1996
9
9.4.2 SunVTS
The latest version of SunVTS™ (on-line validation test suite) has several modes
of testing, including low-impact testing, which can run with minimum affect
on customer applications.
The SunVTS can also be used to stress-testSun hardware, either in or out of the
Solaris operating environment. By running multiple and multithreaded
diagnostic hardware tests, the SunVTS software verifiesthe system
configuration and functionality of most hardware controllersand devices.
SunVTS tests many board and system functions, as well as interfaces for Fibre
Channel, SCSI, and SBus interfaces. SunVTS accepts user-written scripts for
automated testing.
Refer to the SunVTS User’s Guide for starting and operating instructions.
9.4.3 prtdiag(1M)
Youcan use the prtdiag command to display:
•System configuration, including information about clock frequencies,CPUs,
memory,and I/O card types.
•Diagnostic information
•Failed field replaceable units (FRUs)
Refer to the prtdiag man page for instructions.

9.4.3.1 History Log Option

Toisolate an intermittent failure, it may be helpful to maintain a prtdiag
history log. Use prtdiag with the -l (log) option to send output to a log file
in /var/adm.

9.4.3.2 Running prtdiag

To run prtdiag, type:
%/usr/platform/sun4u/sbin/prtdiag