Migrating JMS-Related Services
JMS services don't run on all cluster members. Rather, to preserve data consistency, they run on a single service and are thus singleton services. JMS services include the JMS server, the store-and-forward (SAF) Service, the path service, and the custom persistent store. For example, when a JMS component such as the persistent store fails, the server notifies the health monitoring subsystem. The server starts the automatic migration of the store from the current server, called the userpreferred server (UPS), to an alternate server in the candidate server list. Note that as long as the server itself is in a healthy running state, the migration framework tries to restart a service and migrates the service to a candidate ...
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