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Clusters are Not a Backup Strategy

Allan Hirt explains that high availability isn’t disaster recovery:

I need to address a common misconception in this blog post. To paraphrase, this is what I have heard from many for the past 20+ years:

If I have a Windows Server Failover Cluster/Availability Group/Failover Cluster Instance, I do not need backups.

This is very much not the case, as Allan explains.