F5 BIG-IP 8950, Platform Manual

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Standard operating states of the status and Alarm LEDs
When the unit is in a standard operating state, the Status and Alarm LEDs behave in a defined manner.
Alarm LED Status LED Description System State
off/none green solid Unit is active in a
redundant system
configuration. Active mode
yellow solid yellow solid Unit is on standby in a
redundant system
configuration. Standby mode
red solid green solid Host subsystem is halted. Power standby mode
off/none off/none Unit is halted and
powered down. Powered off
Standard operating states of the power supply LEDs
When the unit is in a standard operating state, the power supply LEDs behave in a defined manner.
Power 2 Power 1 Power supply status
green solid green solid Present and normal
yellow solid yellow solid Present and failure
yellow solid yellow solid Power standby mode
off/none off/none Not present
LED alert conditions
When there is an alert condition on the unit, the Alarm LED behaves in a specific manner.
Description Action
Alarm LED behavior System situation
Red blinking Emergency
Red solid Alert or Critical
Yellow blinking Error
Defining custom alerts
The
/etc/alertd/alert.conf
and the
/config/user_alert.conf
files on the BIG-IP system
define alerts that cause the indicators to change. The /etc/alertd/alert.conf file defines standard
system alerts, and the /config/user_alert.conf file defines custom settings. You should edit only
the /config/user_alert.conf file.
1. Open a command prompt on the BIG-IP system.
2. Type the following command:
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Platform Guide: 8950