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Learning VMware vRealize Automation

You're reading from   Learning VMware vRealize Automation Learn the fundamentals of vRealize Automation to accelerate the delivery of your IT services

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Product type Paperback
Published in Feb 2016
Publisher Packt
ISBN-13 9781785885839
Length 230 pages
Edition 1st Edition
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Author (1):
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Sriram Rajendran Sriram Rajendran
Author Profile Icon Sriram Rajendran
Sriram Rajendran
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Toc

Table of Contents (10) Chapters Close

Preface 1. vRealize Automation and the Deconstruction of Components FREE CHAPTER 2. Distributed Installation Using Custom Certificates 3. Functional Validation – Phase 1 and Installing Secondary Nodes 4. Configuring a Guest OS for vRealize Automation vSphere Blueprints 5. Functional Validation – Phase 2 and Zero to VM Provisioning 6. Testing Failover Scenarios for vRealize Automation Components 7. vRealize Orchestrator in High Availability via the NSX Load Balancer 8. The Power of Advanced Service Designer (ASD) 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 (iadmin@pkct.local).

  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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