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Steps to Upgrade CDH on an Oracle Big Data Appliance Cluster (Doc ID 2269592.1)

Last updated on MARCH 03, 2020

Applies to:

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

Purpose

This document provides generic steps to upgrade CDH on an Oracle Big Data Appliance cluster, using an example of a BDA V4.7 CDH 5.9.0 to CDH 5.9.2 OL6 upgrade.

See: Certified CDH Parcel Upgrades on BDA Mammoth Clusters (Doc ID 2262545.1), for details on certified CDH upgrade versions.

Make sure to Review the Known Issues with CDH  section when finished. There are implications for BDD and Big Data SQL.

Scope

 

Details

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In this Document
Purpose
Scope
Details
 Introduction to Parcel Upgrade
 Parcel one-off patches vs parcel upgrade
 Rolling Parcel Upgrade - Some caveats to consider
 Overview
 Frequently Asked Questions
 When upgrading CDH  will this trigger an upgrade of Apache Tomcat?
 Known Issues with CDH  Parcel Upgrade
 Prerequisites
 Schedule a Maintenance Window to Perform the Upgrade
 Backup Steps that Need to Be Performed Prior to Upgrade to CDH
 Stop Services
 Backup the MySQL Database
 If Sqoop 2 is Configured Backup the Sqoop 2 Database
 Restart Services
 Download CDH Parcel and the Manifest File
 Upgrade Steps
 What if an error occurs during upgrade
 Upgrade details
 Verify upgrade has been done and the cluster is healthy
 Post upgrade steps
 Known Issues
References

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