2.5 Event handling 2.5.1 Event script failure option: Canceling the remaining events This section describes the changes in PowerHA V7.2.3 for handling PowerHA events and  which events were added. If a component of a primary event fails, Figure 2-12 shows the  stop_server app02  failure  script example. Figure 2-12 Script failure example 30  IBM PowerHA SystemMirror V7.2.3 for IBM AIX and V7.2.2 for Linux