Standalone to Cluster Migration - any tips

Elastic Stack Elasticsearch
1

Hi All,
So I've got a nice elk instance working.
My first in a very long time ( thanks to the security pack) that I don't want to blow away and rebuild when I want to reconfigure it.
But what I had always planned to do was build a cluster. 3 node data cluster.

So, what is the easiest way to move a 1 server elk.
To 3 ES, 1kibana and 1 Logstash server?
From the looks of things kibana relies on es for data so should be easy to move and repoint.
Same with Logstash, reinstall and move configure job done.
So how do I move a stand alone config to a cluster and ideally keep it all balanced and happy?

2

What version are you running?

3

7 only about 3 months old

4

Latest is 7.17, is that it?

5

Straight out of the horses mouth!
Hope this helps!

{
  "name" : "node-1",
  "cluster_name" : "Server-ELK",
  "cluster_uuid" : "r5n8RYeGTo6EZX-jXVG3Cw",
  "version" : {
    "number" : "7.16.2",
    "build_flavor" : "default",
    "build_type" : "deb",
    "build_hash" : "2b937c44140b6559905130a8650c64dbd0879cfb",
    "build_date" : "2021-12-18T19:42:46.604893745Z",
    "build_snapshot" : false,
    "lucene_version" : "8.10.1",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
6

Does Add and remove nodes in your cluster | Elasticsearch Guide [7.17] | Elastic help?

7

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