Migrating ResourceManager to another host
You can move the YARN ResourceManager role from one host to another using Cloudera Manager.
Cloudera recommends to enable RecourceManager High Availability.
- In Cloudera Manager, select the YARN service.
- Click Instance.
- Find the ResourceManager role that you want to migrate to a new host and select it.
- Select .
- Select .
- Click Add Role Instances.
- Use the dropdown menu under ResourceManager to select a hosts for the new ResourceManager role.
- Click Continue and then click Finish.
- Select the newly created ResourceManager role.
- Select Start. and click
- Restart the YARN service.