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In this deployment, DZ storage is highly available across a single site, by having N = 2 or more replicas of all data.<picture>
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It protects against:
Single Component failure in DZ.
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For deployments using Kafka persistent storage, local HA is achieved N = 3 or more brokers with a replication factor of N = 2 or more. The replicas should not share storage. The instances should run on different hosts.
Control Zone Local High Availability
In this deployment, CZ contains N = 2 nodes, in an active-standby configuration.<picture>
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It protects against:
Single Component Failure in CZ. If the active node fails, a failover procedure to the standby
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