Split Brain Problem in Different Data Center (Logic, Failover)

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There is an issue that confuses me about split brain calculation.

  • Case-1: I have 7 nodes in one cluster in two different zones. zone1 has 4 nodes, zone2 has 3 nodes, My current master node in zone2.. What happened if my network-isolated is outage?

  • Case-2: I have 7 nodes in one cluster in two different zones. zone1 has 5 nodes, zone2 has 3 nodes, My current master node in zone2.. What happened if my network-isolated is outage?

  • Case-3: I have 7 nodes in one cluster in two different zones. zone1 has 14 nodes, zone2 has 8 nodes, My current master node in zone2.. What happened if my network-isolated is outage?

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