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 22.4 for BMC Helix Operations Management.

Failover behavior

The PATROL Agent supports failover as described and illustrated in this section.

The following table describes the sequence of events that occur during a failover in a cluster environment and how the PATROL Agent behaves.

Note

Although the following table uses Windows cluster terminology, the agent behavior applies to both Windows and UNIX clusters.

 PATROL Agent behavior in a cluster environment

The following figures graphically depict how the PATROL Agent behaves during a failover in a cluster environment:

Request, start up, and run a cluster application 

pa_rm_9000-33.gif

 Service interruption and shutdown of a cluster application 

pa_rm_9000-34.gif

Failover and resumption of a cluster application 

 

pa_rm_9000-35.gif

Environment variables 

Windows

UNIX

PATROL_VIRTUALNAME_8888=PATROL_Disk

PATROL_VIRTUALNAME_8888=PATROL_Disk

PATROL_HISTORY_8888=K:\history

PATROL_HISTORY_8888=/history

PATROL_CONFIG_8888=K:\config 

PATROL_CONFIG_8888=/config 

 

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