You can test your SAP DB resource hierarchy by initiating a manual switchover that will simulate a failover of the resource instance from the primary server to a backup server.
Performing a Manual Switchover from the LifeKeeper GUI
You can initiate a manual switchover from the LifeKeeper GUI by selecting Edit, Resource and InService. For example, an in-service request executed on a backup server causes the SAP DB resource hierarchy to be placed in service on the backup server and taken out of service on the primary server. At this point, the original backup server is now the primary server and original primary server has now become the backup server.
If you execute the Out of Service request, the resource hierarchy is taken out of service without bringing it in service on the other server.
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