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Upgrading Oracle Big Data Appliance Cluster to V2.3.* with Mammoth (Software Deployment Bundle) Release V2.3.* Frequently Asked Questions (FAQ) (Doc ID 1599020.1)

Last updated on OCTOBER 25, 2019

Applies to:

Big Data Appliance Integrated Software - Version 2.3.0 and later
Linux x86-64


This document provides answers to frequently asked questions on how to upgrade an Oracle Big Data Appliance cluster to Oracle Big Data Appliance 2.3 using Mammoth (Software Deployment  Bundle).

If upgrading from a BDA version less than V2.2.1, please see, Upgrading Oracle Big Data Appliance Cluster to V2.2.* with Mammoth (Software Deployment Bundle) Release V2.2.*
Frequently Asked Questions (FAQ) (Doc ID 1574279.1).  The information in the V2.2.* FAQ applies to V2.3 as well.

Questions and Answers

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In this Document
Questions and Answers
 When preforming an upgrade to Oracle Big Data Appliance (BDA) V2.3.* is it ok to be in Maintenance Mode to avoid Cloudera Manager upgrade-related alerts?
 What is the CDH version on Oracle Big Data Appliance (BDA) V2.3.*?
 Is upgrading from BDA V2.0.1 with CDH 4.1.2/CM 4.1.2 to BDA V2.3.* with CDH 4.4.0/CM 4.7.2 considered a major upgrade?
 What are the key software changes between BDA V2.0.1 and BDA V2.3?
 Where will the Job Trackers reside on both a single and multirack cluster? 
 Since BDA V2.3 supports Job Tracker HA with Job Trackers residing on Node03/Node04 of a cluster what is the impact on the number of Map and Reduce tasks allowed to run simultanenously?
 Does the upgrade take care of these settings or is there anything that needs to be done manually?
 What new Cloudera products are included with BDA V2.3?
 Are these products installed by default?
 What about Sentry?
 How would you summarize the Hadoop security solutions offered with BDA V2.3.1?
 Can Kerberos be automatically configured?
 Can a Key Distribution Center (KDC) be automatically set up?
 What services does Kerberos authentication support?
 Can the Kerberos KDC be backed by an LDAP or an Active Directory Server?
 Now that Audit Vault and Database Firewall are available with BDA V2.3.1 can Hadoop activities can be audited?
 What are some advantages that Audit Vault and Database Firewall provide?
 What are some advantages for the new BDC Oracle XQuery for Hadoop?
 Does the Mammoth install support  Oracle NoSQL Database Community or Enterprise Edition?
 The BDA requires downtime while upgrading, but does this apply to a Oracle NoSQL Database deployment as well? Also does Mammoth support upgrades for Oracle NoSQL Database?
 Where can the new Configuration Worksheet be found when installing BDA V2.3.1?
 For new installs BDA V2.3.1 supports  Oracle Linux 6.4/UEK V.2.  When upgrading to V2.3.1 what version of the OS is supported?
 Does a BDA cluster support mixed hardware?  For example can a 12 node cluster support 6 systems with one hardware version of server and 6 systems with another?
 Is older BDA Mammoth applied software supported on newer BDA servers?  For example will  Big Data Software 2.0 be supported on the newest hardware  servers?
 To install the latest BDA 2.3.1 on a machine that comes from the factory with a lower release is reimage required?
 Will there be any problems upgrading a BDA V2.2.1 cluster with EM installed to BDA V2.3.1?
 Will there be any problems upgrading a BDA V2.2.1 Cluster with ASR installed to BDA V2.3.1?
 What options are there if BDA V2.3 has problems?

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