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In this article, I will discuss the various VMware vSphere Site Availability Concepts and will try to work out how each concept can be applied to data centers, sites, and vSphere clusters. No matter which one of the possible VMware vSphere Site Availability Concepts you choose for your environment, or which mix of them fits your demands, there are some basic rules you should apply to guarantee the best possible availability and minimize the unplanned failovers. Documentation Good documentation about the configuration of your infrastructure and the processes you use to operate the different systems are the best foundation for
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