What Alom Monitors; Table 3-1 What Alom Monitors - Sun Microsystems Fire V210 Administration Manual

Note – When a mail alert occurs and the mail host is unable to communicate with
the network's naming service (for example, NIS), ALOM stops generating and
logging messages.
3.1.2

What ALOM Monitors

The ALOM circuitry uses standby power from the server. This means that:
ALOM is active as soon as the server is connected to a power source, and until
■
power is removed by unplugging the power cable.
ALOM firmware and software continue to be effective when the server operating
■
system goes offline.
See
TABLE 3-1
provides for each.
TABLE 3-1
Component
Hard drives
System and CPU fans
CPUs
DIMMs
Power supplies
System temperature
Server front panel
Voltage
SCSI circuit breakers
Note – When you issue the showfru command from the ALOM command shell, the
command does not read the layout of the DIMMs.
for a list of components monitored by ALOM and the information it
What ALOM Monitors
Information
Presence and status
Speed and status
Presence, temperature, and any thermal warning or
failure conditions
Memory errors
Presence and status
Ambient temperature and any thermal warning or
failure conditions
Keyswitch position and LED status
Status and thresholds
Status
Chapter 3 Sun Advanced Lights Out Manager 3-3