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Understanding Quorum majority in a Failover Cluster

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Hi

We have a windows cluster with 3 nodes and no witness on windows 2016
Quorum type : NODE_MAJORITY
Number of Quorum Votes : 1 for each node

I am simulating a DR by shutting down Node 2 and Node 3, since every node has 1 vote and we are using node majority config, I am expecting that the cluster will fail and I have to start the cluster with "forcequorum" option to establish a service and bring Always ON and SQL online

This was not the case, the cluster is still up and Always ON running on Node 1 even if Node 2 and 3 are down and we lost node majority,  I am also able to reproduce the case using microsoft handsonlabs (Config Always ON availability group)
https://www.microsoft.com/handsonlabs/selfpacedlabs

Any explanation on this behavior?

Best regards



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