Node Decommissioning and Maintenance

This section contains instructions to remove Ozone nodes from the cluster in a controlled manner.

📄️ Ozone Manager

Ozone Manager (OM) decommissioning is the process in which you gracefully remove one of the OM from the OM HA Ring.

🗃️ Storage Container Manager

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🗃️ Datanode

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📄️ OM migration approaches

This page describes two approaches for moving Ozone Manager (OM) roles to new hosts in an HA deployment: