All checks

Low Opensearch · regional

OpenSearch domains should have at least three dedicated primary nodes

Verifies that OpenSearch Service domains have at least three dedicated primary nodes configured for cluster stability.

service: Opensearch
severity: Low
scope: evaluated in every region

How to fix it

Increase the number of dedicated primary nodes to at least three for the domain.

Open the Amazon OpenSearch Service console.
Select the domain and choose 'Edit'.
In 'Cluster configuration', enable dedicated master nodes if disabled.
Set the dedicated master node count to 3 or more.
Save changes and verify domain health.

See which of your accounts this check is failing on.

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