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›Elasticsearch Guide [8.17] ›Cross-cluster replication ›Tutorial: Disaster recovery based on bi-directional cross-cluster replication

Failback when clusterA comes back

  1. You can simulate this by turning cluster A back on.
  2. Data ingested to cluster B during cluster A 's downtime will be automatically replicated.

    • data streams on cluster A

      • 150 documents in logs-generic-default-replicated_from_clusterb
      • 50 documents in logs-generic-default
    • data streams on cluster B

      • 50 documents in logs-generic-default-replicated_from_clustera
      • 150 documents in logs-generic-default
  3. If you have Logstash running at this time, you will also observe traffic is sent to both clusters.

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https://www.elastic.co/guide/en/elasticsearch/reference/8.17/_failback_when_clustera_comes_back_2.html

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