Reference Guide

Understanding Event Messages
Add your section content here.This section describes the various types of event messages generated by
the Server Administrator. When an event occurs on your system, Server Administrator sends information
about one of the following event types to the systems management console:
Table 2. Understanding Event Messages
Icon Alert Severity Component Status
OK /Normal /
Informational
An event that describes the successful
operation of a unit. The alert is provided for
informational purposes and does not indicate
an error condition. For example, the alert may
indicate the normal start or stop of an
operation, such as power supply or a sensor
reading returning to normal.
Warning / Non-
critical
An event that is not necessarily significant, but
may indicate a possible future problem. For
example, a Warning/Non-critical alert may
indicate that a component (such as a
temperature probe in an enclosure) has crossed
a warning threshold.
Critical / Failure /
Error
A significant event that indicates actual or
imminent loss of data or loss of function. For
example, crossing a failure threshold or a
hardware failure such as an array disk.
Server Administrator generates events based on status changes in the following sensors:
• Temperature Sensor — Helps protect critical components by alerting the systems management
console when temperatures become too high inside a chassis; also monitors the temperature in a
variety of locations in the chassis and in attached system(s).
• Fan Sensor — Monitors fans in various locations in the chassis and in attached system(s).
• Voltage Sensor — Monitors voltages across critical components in various chassis locations and in
attached system(s).
• Current Sensor — Monitors the current (or amperage) output from the power supply (or supplies) in
the chassis and in attached system(s).
• Chassis Intrusion Sensor — Monitors intrusion into the chassis and attached system(s).
• Redundancy Unit Sensor — Monitors redundant units (critical units such as fans, AC power cords, or
power supplies) within the chassis; also monitors the chassis and attached system(s). For example,
redundancy allows a second or nth fan to keep the chassis components at a safe temperature when
another fan has failed. Redundancy is normal when the intended number of critical components are
operating. Redundancy is degraded when a component fails, but others are still operating.
Redundancy is lost when there is one less critical redundancy device than required.
• Power Supply Sensor — Monitors power supplies in the chassis and in attached system(s).
• Memory Prefailure Sensor — Monitors memory modules by counting the number of Error Correction
Code (ECC) memory corrections.
• Fan Enclosure Sensor — Monitors protective fan enclosures by detecting their removal from and
insertion into the system, and by measuring how long a fan enclosure is absent from the chassis. This
sensor monitors the chassis and in attached system(s).
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