Book Image

Learning VMware vRealize Automation

By : SRIRAM RAJENDRAN, Sriram Rajendran
Book Image

Learning VMware vRealize Automation

By: SRIRAM RAJENDRAN, Sriram Rajendran

Overview of this book

With the growing interest in Software Defined Data Centers (SDDC), vRealize Automation offers data center users an organized service catalog and governance for administrators. This way, end users gain autonomy while the IT department stays in control, making sure security and compliance requirements are met. Learning what each component does and how they dovetail with each other will bolster your understanding of vRealize Automation. The book starts off with an introduction to the distributed architecture that has been tested and installed in large scale deployments. Implementing and configuring distributed architecture with custom certificates is unarguably a demanding task, and it will be covered next. After this, we will progress with the installation. A vRealize Automation blueprint can be prepared in multiple ways; we will focus solely on vSphere endpoint blueprint. After this, we will discuss the high availability configuration via NSX loadbalancer for vRealize Orchestrator. Finally, we end with Advanced Service Designer, which provides service architects with the ability to create advanced services and publish them as catalog items.
Table of Contents (15 chapters)
Learning VMware vRealize Automation
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Failover of DEM Orchestrator


DEM Orchestrator works in the active-passive configuration and the passive DEM Orchestrator service is promoted to an active role automatically if the active DEM Orchestrator service fails.

The standby DEM Orchestrator is designed to poll the health of an active DEM Orchestrator via the IaaS database; once the status of the active DEM Orchestrator is marked offline in the database, the standby DEM will be instantly promoted to take over the active role. It will continue to be in the active role even if the failed node comes online (no failback).

Which DEM Orchestrator is online and active?

It is quite easy to identify which DEM Orchestrator node is active and online; here are the steps:

  1. Log in to the tenant portal (https://CAFE.PKCt.LOCAL/vcac/org/Publishing) as an Infrastructure administrator ([email protected]).

  2. Navigate to Infrastructure | Monitoring | Distributed Execution Status. Name and Status of all the DEM Orchestrators and Workers will be listed.

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