How to Delete a Host from a Cluster
In Hosts, click on a host name.
On the Host-Details page, select Host Actions drop-down menu.
Choose Delete.
If you have not completed prerequisite steps, a warning message similar to the following one appears:
- 1. Overview: Ambari User Guide
- 2. Viewing the Ambari Dashboards
- 3. Managing Hosts
- 4. Managing Services
- Starting and Stopping All Services
- Selecting a Service
- Adding a Service
- Editing Service Config Properties
- Viewing Service Summary and Alerts
- Performing Service Actions
- Removing A Service
- Monitoring Background Operations
- Operations Audit
- Using Quick Links
- Rolling Restarts
- Managing YARN
- Managing HDFS
- Managing Storm
- Managing Apache Atlas
- 5. Managing Service High Availability
- NameNode High Availability
- How To Configure NameNode High Availability
- How to Roll Back NameNode HA
- Stop HBase
- Checkpoint the Active NameNode
- Stop All Services
- Prepare the Ambari Server Host for Rollback
- Restore the HBase Configuration
- Delete ZooKeeper Failover Controllers
- Modify HDFS Configurations
- Recreate the secondary NameNode
- Re-enable the secondary NameNode
- Delete All JournalNodes
- Delete the Additional NameNode
- Verify the HDFS Components
- Start HDFS
- ResourceManager High Availability
- HBase High Availability
- Hive High Availability
- Storm High Availability
- Oozie High Availability
- Apache Atlas High Availability
- NameNode High Availability
- 6. Managing Configurations
- 7. Administering the Cluster
- 8. Monitoring and Alerts
- 9. Using Ambari Core Services
- Ambari Metrics
- AMS Architecture
- Using Grafana
- Accessing Grafana
- Viewing Grafana Dashboards
- Viewing Selected Metrics on Grafana Dashboards
- Viewing Metrics for Selected Hosts
- HDFS Dashboards
- YARN Dashboards
- Hive Dashboards
- Hive LLAP Dashboards
- HBase Dashboards
- Kafka Dashboards
- Storm Dashboards
- System Dashboards
- NiFi Dashboard
- Changing the Grafana Admin Password
- Set Up HTTPS for Grafana
- Performance Tuning
- Moving the Metrics Collector
- (Optional) Enabling Individual Region, Table, and User Metrics for HBase
- Ambari Log Search (Technical Preview)
- Ambari Infra
- Ambari Metrics