Sun Cluster Geographic Edition System Administration Guide

Creating a Custom Heartbeat Plug-in

When a heartbeat is created, your custom heartbeat plug-in is passed the following arguments by the Sun Cluster Geographic Edition software:


The value of the Query-interval property, which defines the delay in seconds after which a heartbeat status request is declared a failure.


The mode for the plug-in startup, either Normal or Emergency.


The value of the Plugin-properties property that is configured for the heartbeat plug-in, if any.

For more information about the properties you can set, see Appendix A, Standard Sun Cluster Geographic Edition Properties.

Your custom heartbeat plug-in is expected to check the heartbeat on the secondary cluster and return one of the following exit values: