The default value of KafkaMirrorMaker2.spec.mirrors.sourceConnector.config.replication.factor on web console should be 2 or3
When to create KafkaMirrorMaker2 CR yaml using web console,KafkaMirrorMaker2.spec.mirrors.sourceConnector.config.replication.factor is set to 1.
However,
Originally, replication.factor of KafkaMirrorMaker2 is 2 as default.
---When to create Kafka CR yaml for destination cluster using web console, it has "min.insync.replicas: 2", so NOT_ENOUGH_REPLICAS exception will occur in MM2 with replication.factor=1.