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Prerequisites Required Prior to Mammoth Cluster Expansion on BDA V4.5.0 and Higher (Doc ID 2476558.1)

Last updated on JULY 20, 2024

Applies to:

Big Data Appliance Integrated Software - Version 4.5.0 and later
Linux x86-64


Prerequisites required prior to Mammoth cluster expansion on BDA V4.5.0 and higher.

The recommendation is to open an SR at least 10 days prior to the expansion to ensure that all prerequisites are fully met.


Anyone doing a cluster expansion needs to follow these prerequisites first.


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In this Document
 Prerequisites to Prevent Role Migration
 Prerequisites for Clusters where the OS has been Upgraded from OL6 to OL7
 Prerequisites for Base Image and Platform on Nodes Being Expanded into the Cluster
 Recommended Backups
 Prerequisites for New Node Reimage
 Prerequisites for Passwords
 Prerequisites for when ssh Displays a Banner at Login
 Prerequisites for Cluster Health
 Prerequisites for ASR
 Prerequisites for Repositories
 Prerequisites for $JAVA_HOME/jre/lib/security/jssecacerts, custom $JAVA_HOME/jre/lib/security/cacerts, and custom certificates
 Prerequisites for Certificates
 Prerequisites for Custom CA Signed Certificates
 Prerequisite for Key Trustee Servers Residing Off the BDA
 Prerequisites for AD Kerberos
 Prerequisites for Customized OS Configuration Files
 Prerequisites for Cloudera Manager
 Prerequisites for Clusters Running Hive or HDFS Replication Jobs
 Prerequisite Considerations for Hive Metastore Role Service Layout Changes

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