Collect data for migration

Collect passwords and Kafka broker IDs before you start the migration to make sure that required data is available during migration and post configuration.

Collect Ranger passwords
If you use Ranger service, you need to collect the passwords for Ranger.
Collect Nifi Registry database password
You need to migrate the NiFi Registry database password manually during the migration.
Extracting Kafka broker IDs
You must extract the Kafka broker IDs before you upgrade the HDF cluster. The Kafka broker IDs are used in migrating HDF to CFM on CDP cluster, where you need to override the kafka-broker-ids.ini files with the created one.

Parent topic: Before you upgrade