MC/ServiceGuard Background
Figure 19-1 shows a basic ServiceGuard setup in which two systems both connect to vg01 and vg02. There are package definitions on the respective systems for the applications they are running in the top of the diagram. The bottom of Figure 19-1 shows that package2 is started on systemA when there is a failure on systemB. This is a cluster reformation when a failure occurs. This diagram depicts the fundamental operation of ServiceGuard; that is, an application on a failed system is started on a backup system.
Figure 19-1. Top: ServiceGuard Cluster; Bottom: Cluster Reformation
The application package contains all of the ...
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