Cloudera Docs

Before you begin

Check the possible migration paths and requirements before you start your migration process.

Migration paths

You can migrate data from:

  • HDF 3.5.x
    • Standalone (not managed by Ambari)
    • Ambari (with or without Ranger)
    • +HDP 3.1.5 and Ambari (with or without Ranger)
  • CFM 1.1.0
    • Standalone (not managed by Cloudera Manager)

For details on data migration and other upgrade options, see Upgrade and migration paths.

Additional requirements

  • You must migrate HDF 3.5.x or CFM 1.1.0 standalone to an equivalent target environment.

    For example:
    • From HDF 3.5.x without Ranger to CFM 2.1.5 without Ranger
    • From HDF 3.5.x with Ranger to CFM 2.1.5 with Ranger
    • From CFM 1.1.x without Ranger to CFM 2.1.5 without Ranger

  • You have deployed a CDP Private Cloud Base cluster with the necessary services running (ZooKeeper, Ranger, and similar) and out-of-the-box configurations.

  • You have sufficient networking connectivity and capacity between the source cluster and destination cluster.

  • You have the permissions required to access and modify files on cluster nodes.

  • You have reviewed the Cloudera Flow Management Release Notes and are aware of all known issues.

  • You have reviewed Apache NiFi Migration Guidance and Apache NiFi Registry Migration Guidance and are aware of any differences between source and destination components.