Getting a grasp of what Always On is and how it works
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Microsoft considers AlwaysOn as an agile and efficient set of technologies capable of ensuring high availability (HA) and disaster recovery (DR) for SQL Server platform. You should really learn a bit more about this tech even if you are already familiar with it.
Why? Just ‘cause AlwaysOn saves you from stitching an HADR solutions from various different vendors that at the end of the day turns your life into one big finger pointing session.
Read the full article by Mikhail Rodionov, IT engineer focusing on applications and infrastructure support domains, to figure out what SQL AlwaysOn is and how it works.