How to add an already existing ElasticSearch server to Cluster?

Elastic Stack Elasticsearch
1

We have a standalone ElasticSearch server having around 50 indices. We want to add this server to a cluster of 3 nodes which are new (having no data/indices). Is it achievable in Elastic search? Please suggest.

2

Yes this is possible.

3

Thank you mark.

If so, the data from those 50 inidices will get replicated onto the other servers?

4

As long as you have replicas enabled, yep.

6

Thanks a lot @warkolm. It worked

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