Learning VMware vRealize Automation

Distributed Execution Manager

The Distributed Execution Manager (DEM) is of two types. It can either act as a DEM Worker or a DEM Orchestrator.

DEM Orchestrator (DEO)

One of the main tasks of a DEM Orchestrator is to monitor the status and health of DEM Workers:

• If the Worker service stops or loses its connection to the repository (Model Manager Web), the DEM Orchestrator clears all associated workflow instances to the non-functional DEM Worker, thus allowing the other DEM Workers to pick up the workflows. This explains why we don't need to explicitly create high availability for DEM workers.
• Performs the scheduling of daily recurring workflows, such as inventory data collections, state data collection, and performance collections, by creating new ...