Hello, I have a task to add 2 more nodes in a cluster. Currently we have 5 nodes in a cluster which are all data nodes. Elastic version 7.11.2.
Current discovery parameters set for cluster:
"discovery.zen.ping.unicast.hosts" which lists all 5 data nodes
My question is which parameters I should set on a new node to it join the cluster on the fly?
- Do I need to add "discovery.zen.ping.unicast.hosts" parameter which lists all nodes on a new node? Or "cluster.name" would be enough for a node to join the cluster?
- Do I need to change parameter "discovery.zen.ping.unicast.hosts" on current cluster to include new node?
Both of these settings were deprecated in 7.0 and you should not be using them any more.
discovery.seed_hosts to the addresses of the master nodes only.
So if all my 5 nodes are data notes and master nodes, I would list them all in "discovery.seed_hosts" parameter on new nodes?
And if i have minimum of 3 master nodes parameter set up, do I need to change this parameter in the config file on a new nodes?
I have this parameter on initial 5 node cluster:
I plan to add 2 new nodes, do I need to change this parameter on a new nodes?
No, this setting was deprecated in 7.0 and shouldn't be used.
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