Step 2: Backing Up Cloudera Manager 5

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

7.7.3 should only be used when you need to use Python 3.8 for the agents. You must install Python 3.8 on all hosts before installing or upgrading to 7.7.3. 7.7.3-CHF4 supports only RHEL 8.4, RHEL 8.6, and SLES 15 SP4. See the Installation Guide for more information.

warning

Upgrades from 5.12 and lower to 7.1.1 or higher are not supported

important

Upgrading to version 7.7.1 or higher from clusters where CDH 5.x is deployed is not supported. To upgrade such clusters:

Upgrade to version 6.3.4.
Upgrade CDH to version 6.3.4
Upgrade to version 7.6.5 or higher

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.

warning

Before upgrading CDH 5 clusters with Sentry to Cloudera Runtime 7.1.x clusters where Sentry privileges are to be transitioned to Apache Ranger:

The cluster must have Kerberos enabled.
Verify that HDFS gateway roles exist on the hosts that runs the Sentry service.

important

If HDFS ACL sync is enabled (hdfs_sentry_sync_enable=true) on the CDH cluster, then you must install Ranger RMS to support the same functionality. For steps to install Ranger RMS, see Installing Ranger RMS.

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.

Collect Information for Backing Up Cloudera Manager
Information you should collect before backing up Cloudera Manager.
Back Up Cloudera Manager Agent
Back Up the Cloudera Management Service
Back Up Cloudera Navigator Data
Stop Cloudera Manager Server & Cloudera Management Service
Back Up the Cloudera Manager Databases
During the upgrade, Cloudera Manager modifies the schema of the Cloudera Manager database. In case of failures during the upgrade, it may be necessary to rollback to the previous version of Cloudera Manager while addressing the upgrade failures.
Back Up Cloudera Manager Server
(Optional) Start Cloudera Manager Server & Cloudera Management Service

Parent topic: Upgrading Cloudera Manager 5