Common SQL Server Clustering, AlwaysOn, and High Availability Answers

Our live webcast topic this week was Q&A – you could bring any HA/DR questions, and we could avoid your answers. Just kidding. Here’s the webcast – we apologize for the audio, WebEx is still getting their act together. It cleans up after the first couple of minutes. And here’s the questions we couldn’t get…
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VMware HA is Not Database Server High Availability

I served with High Availability. I knew High Availability. High Availability was a friend of mine.  VMware HA, you’re no High Availability. See, for us database administrators, high availability means protection when: The system drive fills up because some potato decided to download a bunch of files An operating system or database server update goes…
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Why Your SQL Server Cluster Shouldn’t Be Virtualized

When people buy my virtualization training video, one of the followup questions I get most often via email is, “Can I build SQL Server clusters in VMware and Hyper-V?” In theory, yes.  Microsoft’s knowledge base article on SQL Server virtualization support says they’ll support you as long as you’re using configurations listed in the Server…
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Why Your SQL Server’s Network Connection Matters

If you’re using SQL Server 2012’s hot new AlwaysOn Availability Groups feature, your databases will go offline when your network connection does – even if you’re using asynchronous replication. This is not a bug.  This is working as designed – and it’s important to understand the underlying concepts. Nothing to see here, I'm just going…
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