Configuring Upgrade Domains

Steps to configure Upgrade domains.

Minimum Required Role: Cluster Administrator (also provided by Full Administrator) This feature is not available when using Cloudera Manager to manage Data Hub clusters.

  1. Configure the Upgrade Domain for all hosts:
    1. Click Hosts > Configuration.
    2. Search for the Host Upgrade Domain parameter.
    3. Click the Add Host Overrides link for this parameter.
    4. Enter the Upgrade Domain group name in the New Override Value field.
    5. Select the hosts for this Upgrade Domain.
    6. Click Add.
  2. Set the HDFS Block Replica Placement Policy:
    1. Open the Cloudera Manager Admin Console.
    2. Go to the HDFS service for the cluster.
    3. Click the Configuration tab.
    4. Search for the HDFS Block Replica Placement Policy configuration parameter.
    5. Select Upgrade Domains.
    6. Click Save Changes.
    The Upgrade Domain assigned to each host displays in the Upgrade Domain column on the All Hosts page.
  3. Restart the HDFS service.