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Topics, you need to know, before using WinCC OA.
vSphere HA Cluster Basics
vSphere is a virtualization environment that allows users to create clusters consisting of multiple hosts.

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Deployment
Topics, you need to know, before using WinCC OA.
- Hardware and software requirements for WinCC OA
  This section contains the current hardware and software requirements for various WinCC OA application scenarios. Recommendations are given for practical deployment of WinCC OA depending on the specific application and scale of the project.
- WinCC OA Licensing
  overview of the licensing model used by WinCC OA
- Installation
  How to properly install WinCC OA.
- Docker Support
  An introduction on how to use WinCC OA within a Docker container, what specifics must be considered as well as where to find more extensive information on the topic.
- vSphere HA Cluster Basics
  vSphere is a virtualization environment that allows users to create clusters consisting of multiple hosts.
  - Requirements and Installation
  - Notes and Restrictions
- WinCC OA Product Packaging
  Explains the file structure presented in the configuration bundles as well as some use cases with detailed descriptions
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vSphere HA Cluster Basics

vSphere is a virtualization environment that allows users to create clusters consisting of multiple hosts.

A host is a physical computer which delivers the computing power to run VMs. In order to coordinate the resource allocation, vSphere installs the ESXi hypervisor on each host. The VMs themselves are saved on storage devices which are combined into one or multiple virtual DataStores. In addition to normal clusters vSphere also allows the configuration of HA clusters. VMs in a HA cluster are automatically restarted on a different host if a failure is detected.

Chapter Overview


Chapter	Content
vSphere HA Cluster Basics	Current chapter
Requirements and Installation	The requirements and installation instructions for using the vSphere HA Cluster with WinCC OA
Notes and Restrictions	Additional notes and restrictions of the vSphare HA Cluster with WinCC OA.