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Upgrading Oracle Big Data Appliance Cluster to V4.1 with Mammoth (Software Deployment Bundle) Release V4.1 Frequently Asked Questions (FAQ) (Doc ID 1962521.1)

Last updated on JANUARY 31, 2020

Applies to:

Big Data Appliance Integrated Software - Version 4.1.0 and later
Linux x86-64

Purpose

This document provides answers to frequently asked questions on how to upgrade an Oracle Big Data Appliance cluster to Oracle Big Data Appliance 4.1 using Mammoth (Software Deployment  Bundle). 

 

Questions and Answers

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In this Document
Purpose
Questions and Answers
 When performing an upgrade to Oracle Big Data Appliance (BDA) V4.1 is it ok to be in Maintenance Mode to avoid Cloudera Manager upgrade-related alerts?
 If the BDA has been changed from its original layout will that be a problem during upgrade?
 Does the cluster need to be in "Good Health" before upgrading to Oracle Big Data Appliance (BDA) V4.1?
 What Hadoop (CDH) version is on Oracle Big Data Appliance (BDA) V4.1?
 What does Cloudera 5.3.0 Enterprise include?
 Does BDA V4.1 continue to support security options for CDH Hadoop clusters?
 Does the BDA upgrade to 4.1 impact existing sentry and Kerberos configurations?
 Is MapReduce Version 1 still supported?
 What version of NoSQL is on Oracle Big Data Appliance (BDA) V4.1?
 Are there still two separate bundles for BDA 4.1, one for OEL 6 and one for OEL 5?
 Each Mammoth bundle consists of two zip files.  Can the second zipfile be used for reimaging as in the past?
 What version should be used to reimage prior to installing BDA Mammoth V4.1?
 What new features does Oracle Big Data Appliance 4.1.0 include?
 What additional software upgrades are present in BDA V4.1?
 What about Parquet Support?
 What is new in Oracle NoSQL Database?
 Anything new for Apache Sentry ?
 Can an upgrade to BDA V4.1 be performed from any previous BDA version?
 Does this mean that an upgrade from a pre-V3.0.1 can not go directly to BDA V4.1.*?
 Does this mean that an upgrade from a V2.4 will have a multiple upgrade path?
 Are there general guidelines for the upgrade path from older BDA versions to V4.1.0?
 If upgrading from pre-V3.0.1 to V3.0.1and then V3.0.1 to  V4.1  in one pass, does the critical metadata need to be backed up on V3.0.1 if it was backed up on the pre-V3.0.1 BDA?
 After upgrading the BDA, does the CDH client need to be upgraded to the same underlying version i.e. CDH 5.3.0 in the case of upgrading to BDA 4.1?
 What about upgrading a CDH client, will that also require a two step approach?
 The BDA servers are at CDH 5.3.0.  What if my client/edge servers are running CDH 5.3.1? Do client/edge servers need to be downgraded from CDH 5.3.1 to CDH 5.3.0?
 Does BDA V4.1 include BigDataSQL V1.1?
 Does BDA V4.1 still use the BdaDeploy.json file?
 What version of the Oracle BDA Configuration Generation Utility is required for this release?
 What about installing a new multirack cluster (not an upgrade question but for 4.1 multirack installs anything special)?
 When upgrading from V2.5, V2.6 or V3.0.*,3.1, 4.0  are there changes to the Service Roles Layout?
 Is Spark configured on the BDA V4.1 ?
 What about Impala, Search, and Navigator are they configured on the BDA V4.1?
 Where is the list of known CDH 5 issues?
 If the Mammoth upgrade fails do I have to create a SR and upload the diagnostic bundle generated?
 Where is the BDA V4.1 documentation?
 What is the direct link to the documentation "New features" section?
 Where is the Big Data Connector's documentation?
 What are the Oracle Big Data Connectors (BDC) version changes?
 What considerations should be considered when upgrading from 4.0 to 4.1?
 1. What changes are expected when upgrading a Kerberized vs non-Kerberized cluster?
 2. Will any ACLs, sentry settings be impacted (we do assume no) as we manage security with these tools now?
 3. We have one patch installed, how does that impact the upgrade?
 4. Is the OS is upgraded?
 5. Any other specifics with a version change from 4.0 to 4.1?
 6. Any considerations for Sentry?
 When upgrading to BDA V4.1 do any one-off patches need to be applied?
 What about patching after the upgrade now that BDA V4.1 is parcel based?
 When upgrading to BDA V4.1 if Step 17 the cluster verification step fails can mammoth be rerun?
 What can be done to resolve "Acquiring installation lock"  errors when adding a client/edge node back into a CDH cluster after upgrade?
 Can the client hostnames and/or priviate InfiniBand IP addresses be changed during the upgrade?
References

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