Change of addressing of the entire Elasticsearch cluster

Elastic Stack Elasticsearch
1

Can a one-time change of addressing of the entire Elasticsearch cluster cause any problems?

Let's assume the scenario:

  1. We have a working Elasticserach cluster on addressing (IP_a, MASK_a, GATEa).
  2. We shutdown Elasticsearch services on all nodes.
  3. We change the addressing of Elasticsearch nodes from (IP_a, MASK_a, GATEa) to (IP_b, MASK_b, GATE_b).
  4. We run Elasticsearch services on all nodes with new addresses.

Will Elasticserach not have problems?

2

Should be fine, as long as you make sure to adjust the discovery settings so all the nodes can find the master nodes at their new addresses.

3

Many thanks for the information!
I will probably test it tomorrow.

4

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