Ozone Admin | Apache Ozone Skip to main content Apache Ozone Docs Latest Docs Docs 2.0.0 (Archived) Docs 1.4.1 (Archived)DownloadRoadmapBlog Community Communication Channels Who Uses Ozone? Report An Issue Ask a Question How to Contribute Events and Media Search Version: 2.1.1 Next 2.2.0 2.1.1 Overview Quick Start Core Concepts User Guide Administrator Guide Installation Configuration Operations Start and Stop Upgrade and Downgrade Decommissioning and Maintenance Disk Replacement Container Replication Report Data Balancing Certificate Rotation S3 Multi-Tenancy Snapshots Observability Leader Transfer Quota in Ozone Tools Ozone Repair Ozone Admin Ozone Debug Trash Dynamic Property Reload System Internals Developer Guide This is documentation for Apache Ozone 2.1.1, which is no longer actively maintained. For up-to-date documentation, see the latest version (2.2.0). Administrator Guide Operations Tools Ozone AdminVersion: 2.1.1 Ozone Admin ozone admin command is a collection of tools intended to be used only by admins. A quick overview of the available functionalities: ozone admin safemode Check the safe mode status and force entering or leaving safe mode. The --verbose option prints the validation status of all rules that evaluate safe mode status. ozone admin container Containers are the unit of replication. Subcommands help debug the current container state (list / get / create / …). ozone admin pipeline Helps check available pipelines (Datanodes sets). ozone admin datanode Provides information about Datanodes. ozone admin printTopology Displays rack-awareness related information. ozone admin replicationmanager Checks replication status and can start or stop replication in emergencies. ozone admin om Ozone Manager HA related tools to retrieve cluster information. For more detailed usage, see the output of --help. $ ozone admin --help Usage: ozone admin [-hV] [--verbose] [-conf=<configurationPath>] [-D=<String=String>]... [COMMAND] Developer tools for Ozone Admin operations Options: -conf=<configurationPath> -D, --set=<String=String> -h, --help Show this help message and exit. -V, --version Print version information and exit. --verbose More verbose output. Show the stack trace of the errors. Commands: containerbalancer ContainerBalancer specific operations replicationmanager ReplicationManager specific operations safemode Safe mode specific operations printTopology Print a tree of the network topology as reported by SCM cert Certificate related operations container Container specific operations datanode Datanode specific operations pipeline Pipeline specific operations namespace Namespace Summary specific admin operations om Ozone Manager specific admin operations reconfig Dynamically reconfigure server without restarting it scm Ozone Storage Container Manager specific admin operations Edit this page Previous Ozone Repair Next Ozone Debug Apache Software Foundation Foundation License Events Sponsorship Privacy Security Thanks Community GitHub Discussions Jira Issues Slack Mailing List YouTube Twitter Repositories Ozone Website Docker Image Docker Runner Image Copyright © 2026 The Apache Software Foundation. Licensed under the Apache License, Version 2.0. The Apache Software Foundation, Apache Ozone, Ozone, Apache, the Apache Feather, and the Apache Ozone project logo are either registered trademarks or trademarks of the Apache Software Foundation.