Suppose for instance that you have one server in your company or business, and in that server there is an application and the server is connected to a data storage medium (such as disk array) which is storing your customer’s data such subscribe info, customer credit, or customer transaction history,…etc. the stored data is managed by the application living in our particular server. This is the typical environment of an online services provided by businesses and companies. What happens if that server fails in any level? Continue reading “What Is High Availability Cluster? And How To Apply HA In Your Business?”