[Solved] You wrote this configuration:PUT /_cluster/settings { "persistent": { "search.remote.remoteC.seeds": ["10.0.0.5:9300"] } }But cross-cluster search still fails. What is a likely cause? | Elasticsearch

Elasticsearch - Cluster Management

You wrote this configuration:

PUT /_cluster/settings
{
  "persistent": {
    "search.remote.remoteC.seeds": ["10.0.0.5:9300"]
  }
}

But cross-cluster search still fails. What is a likely cause?

ACross-cluster search requires a plugin to be installed.

BThe index name is missing in the configuration.

CThe seed address is incorrect or unreachable.

DThe cluster settings must be under "transient" not "persistent".

Step-by-Step Solution

Solution:

Step 1: Review configuration for remote cluster
The seeds setting must point to reachable nodes in the remote cluster.
Step 2: Identify common failure reasons
If the seed address is wrong or unreachable, cross-cluster search cannot connect.
Final Answer:
The seed address is incorrect or unreachable. -> Option C
Quick Check:
Unreachable seed = cross-cluster search fails [OK]

Quick Trick: Check remote cluster seed addresses for connectivity [OK]

Common Mistakes:

MISTAKES

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You wrote this configuration: