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Chapter 9 Managing the Server From the Solaris Prompt 9-3
Note – If there are any failures of the PSU that affect more than just the input or
output lines, Solaris will not run. However, if standby power is present, you can still
use the LOM shell commands described in Chapter 8.
9.1.3 Checking the Fans (lom -f)
● To check the fans, type:
For the locations of each fan, see Section 8.9, “Checking the Status of the Server’s
Fans” on page 8-23. If you need to replace a fan, contact your local Sun sales
representative and quote the part number of the component you need. For
information, see Section 11.2, “Field Replaceable Units” on page 11-4.
9.1.4 Checking the Supply Rail Voltages and Internal
Circuit Breakers (lom -v)
The supply rails are the server’s internal power lines. If the status of any of these is
faulty, contact your local Sun sales representative. It means that you have either a
faulty system board or a faulty PSU. For information about ordering and installing
replacements of these components, see Chapter 11.
The -v option also displays the status of the Sun Fire V120 or Netra 120 server’s
internal circuit breakers. For any that have been tripped, the status will read faulty.
The system contains three circuit breakers: one for the SCSI connector, one for the
USB ports, and one for the System Configuration Card reader. If there is a problem
with the circuit breakers or the SCSI or USB port circuit breakers, remove the device
connected to the relevant port. When you do this, the circuit breakers will
automatically recover themselves. If there is a problem with the circuit breaker for
the System Configuration Card, it means that you do not have a valid System
Configuration Card inserted.
# lom -f
Fans:
1 OK speed 99%
2 OK speed 95%
3 OK speed 100%
4 OK speed 100%
#