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Icon Alert Severity Component Status
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).
• AC Power Cord Sensor — Monitors the presence of AC power for an AC power cord.
• Hardware Log Sensor — Monitors the size of a hardware log.
• Processor Sensor — Monitors the processor status in the system.
• Pluggable Device Sensor — Monitors the addition, removal, or configuration errors for some
pluggable devices, such as memory cards.
• Battery Sensor — Monitors the status of one or more batteries in the system.
• SD Card Device Sensor — Monitors instrumented Secure Digital (SD) card devices in the system.
Sample Event Message Text
The following example shows the format of the event messages logged by Server Administrator.
EventID: 1000
Source: Server Administrator
Category: Instrumentation Service
Type: Information
Date and Time: Mon Oct 21 10:38:00 2002
Computer: <computer name>
Description: Server Administrator starting
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