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.
note
Cloudera Manager 7.7.3 should only be used when
you need to use Python 3.8 for the Cloudera Manager agents. You must install Python 3.8 on
all hosts before installing or upgrading to Cloudera Manager 7.7.3. Cloudera Manager
7.7.3-CHF4 supports only RHEL 8.4, RHEL 8.6, RHEL 7.9, and SLES 15 SP4. See the
CDP Private Cloud Base Installation Guide for more
information.
warning
For upgrades from CDH clusters with Cloudera Navigator to Cloudera
Runtime 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. Cloudera recommends that
you do not use this service for customer workloads to avoid
interference with audit and timeline performance.
