Sun Microsystems Blade 1500 - Troubleshooting Commands; Iostat Command

Chapter 3 Basic Troubleshooting 3-15
3.3 Troubleshooting Commands
The section discusses superuser commands that assist in troubleshooting problems
with the Sun Blade 1500 workstation. Commands discussed are:
■ “iostat Command” on page 3-15
■ “prtdiag Command” on page 3-18
■ “prtconf Command” on page 3-20
■ “netstat Command” on page 3-23
■ “ping Command” on page 3-25
■ “ps Command” on page 3-27
■ “prstat Command” on page 3-29
Most of these commands are located in the /usr/bin or /usr/sbin directories.
3.3.1 iostat Command
The iostat command iteratively reports terminal, drive, and tape I/O activity, as
well as CPU utilization.
Optical drive Repetitive quiet clunking Disc is unbalanced. Reposition disc.
Rapid shifting Laser pickup head is moving. Optical drive normal.
Rushing air that is
constant or intermittently
changes
Disc is spinning properly. Optical drive normal.
Rushing air that is
rhythmically changing
Laser pickup head cannot
locate tracks on disc.
Try a different disc. If
the problem continues,
see
“Optical Drive
Problem” on page 4-25.
Very high-pitched
squeaking
Laser pickup head is out of
alignment.
Try a different disc. If
the problem continues,
replace optical drive.
See
“Replacing the
Optical Drive” on
page 12-9.
TABLE 3-5 System Sounds at Locations and What They Mean (Continued)
Location Sound Meaning Comment