Cloudera recommends that you backup Cloudera Manager before upgrading.
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This topic contains procedures to back up Cloudera Manager . Cloudera recommends that you perform these backup steps
before upgrading. The backups will allow you to rollback your Cloudera Manager upgrade if needed.
warning
For upgrades from CDH clusters with Navigator to 7.1.1 (or higher) clusters where Navigator is to be
migrated to Apache Atlas, the cluster must have Kerberos enabled before upgrading.
note
If the cluster you are upgrading will include Atlas, Ranger, or both, the upgrade
wizard deploys one infrastructure Solr service to provide a search capability of the audit
logs through the Ranger Admin UI and/or to store and serve Atlas metadata. recommends that you do not use this service
for customer workloads to avoid interference with audit and timeline performance.