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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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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

vRealize Automation components and HA modes

vRealize Automation components in a high availability cluster are groups of computers that support server applications that can be reliably utilized with a minimum downtime. They operate in HA mode to harness redundant computers in groups that provide a continued service when system components fail. Without high availability, if a server running a particular application crashes, the application will be unavailable until the crashed server is fixed:

vRealize Automation components and HA modes

Active-Active configuration

All nodes are in active mode while handling the alike function on the same state. If there is a failure of one active node, then the other active node automatically handles the traffic. After the restoration of the failed node, it will enter the active mode routinely, where the load will be shared between the nodes. However, this depends on the session persistence settings used in the load balancer. CAFÉ, IaaS web server, DEM Worker, and proxy agents comes under this...

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