The Orchestrator Server uses a provisioning manager to initiate and monitor changes for both online and offline resources, and also supports physical and virtual servers. It also manages preemption and stealing (reassignment) of resources by monitoring the system and submitting workload management jobs as needed.
Figure 4-5 Workload Management
Depending on the tasks that applications might require, the Orchestrator Server submits the required jobs to one or more of the connected services to perform the specific tasks as shown in the figure below.
Figure 4-6 Grid Scheduling
For more information about how grid scheduling works, see the following sections: