Important This documentation space contains information about PATROL Agents when deployed in a TrueSight Operations Management environment. If you are a BMC Helix Operations Management user, see PATROL Agent for BMC Helix Operations Management 24.2.

Distinguishing instance state changes from propagated states

PATROL has two ways an application instance can achieve the WARN or ALARM state as follows:

  • A PSL change_state
  • An inherited parameter state

The WARN and ALARM state can be detected by analyzing the "status" and "ruleState" variables in the agent symbol table. This is possible through a PSL script, but is also possible through external SNMP access to the PATROL MIB.

The OFFLINE state can only occur due to a PSL change_state, and cannot be inherited from parameter states.

The "status" and "ruleState" variables are built-in variables in the instance's symbol table. The following table lists those situations that apply:

 "status" and "ruleState" variables

 

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