Oracle Big Data Appliance Installation Frequently Asked Questions (FAQ)
(Doc ID 1518939.1)
Last updated on AUGUST 31, 2023
Applies to:
Big Data Appliance X4-2 Starter RackBig Data Appliance X4-2 In-Rack Expansion
Big Data Appliance X4-2 Hardware
Big Data Appliance X3-2 In-Rack Expansion - Version All Versions and later
Big Data Appliance X3-2 Hardware - Version All Versions and later
Linux x86-64
Purpose
This document provides answers to installation frequently asked questions about the Oracle Big Data Appliance.
Questions and Answers
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In this Document
| Purpose |
| Questions and Answers |
| Where can I download the BDA image from? |
| Where can I download the BDA Mammoth software from? |
| How do I install Oracle Big Data Connectors during a V2.0.1 BDA install? |
| Do Oracle Big Data Connectors need to be licensed for all processors on the BDA? |
| Can Mammoth install ODI independent of the rest of the connectors? |
| What happens if a customer chooses to install ODI but has not paid for a license? |
| Can a BDA reimage proceed if a DIMM is bad? |
| How can a server validation failure be corrected where /root/BDA_IMAGING_FAILED shows ERROR: Wrong number of disks? |
| Is it expected that installing the CDH 4 hadoop client requires more rpms than previous versions of CDH? |
| How can the boot order be changed to USB for the installation? |
| How to resolve incorrect disk drive order seen in BDA_IMAGING_FAILED after reimagerack is run? |
| How can HBA firmware warnings and incorrect disk ordering during a fresh install to V2.0.1 reimage be resolved? |
| How can HBA firmware warnings during a V2.0.1 reimage be resolved? |
| How should the firmware for NM2-GW Sun Network QDR InfiniBand Gateway Switches be upgraded on Oracle Big Data Appliance? |
| When reimaging a BDA machine to the Oracle Big Data Appliance Base Image Version 2.0.1 do I need to install a Linux distribution first? |
| Are OEM Management Agents installed on the BDA as part of the Mammoth software installation? |
| Are the Plug-ins required for OEM Management downloaded and installed on the BDA servers by default? |
| When creating the Configuration Worksheets should host names, switch and PDU names, etc. be entered in upper or lower case? |
| When running the Mammoth V2.1.1 if Oracle NoSQL Enterprise Edition is installed is the final software validation expected to fail? |
| Is there a best practice on how to run the Mammoth V2.1.1 Software Install? |
| What does it mean to say that a BDA rack is disconnected from the network prior to reimaging from existing settings to factory ship settings? |
| If a bad disk needs to be replaced during a reimage or while running the Mammoth Utility does the disk need to be configured? |
| Is it possible to install the Oracle Enterprise Manager (EM) agent after Mammoth completes? |
| Where do I get the Mammoth OpenOffice spreadsheet file, bda-configurator-<version>.ods, used to configure a release of Mammoth? |
| Can an HDFS cluster consist of more than 1 BDA rack? |
| What about a adding a single node to a BDA cluster? Can a single node be added to a BDA cluster? |
| When installing two separate clusters in the same rack do I need to install mammoth on both clusters from node 1 (server 1) in the rack? |
| Can I run the install for two clusters simultaneously, for example based on the case above having one window on server 1 and other on server 13? |
| In the case of a rack with two clusters is it possible to upgrade one cluster to V2.2.0 and then upgrade the other at a different time? |
| If using the V2.2.0 version of Mammoth to upgrade from a previous version is it necessary to install the V2.2.0 base image first? |
| Approximately how much time should the Mammoth V2.2.0 upgrade take? |
| In BDA V2.2.0 the /opt/oracle/BDAMammoth/mammoth-<RACKNAME>.params file does not contain the information from the spreadsheet for switches and PDUs. Where is that information? |
| Is it possible to split a 6 node Starter Rack into two - 3 node Hadoop Clusters? |
| Is it possible to split a 6 node cluster into a 3 node Hadoop cluster and 3 node Oracle NoSQL DB cluster? |
| Is it possible to have 3 node Oracle NoSQL DB cluster? |
| Can I manually install Oracle NoSQL DB on a 6 node Starter Rack? |
| What is the procedure for reimaging one cluster in a multi-cluster BDA rack? For example to reimage to V2.2.0? |
| Is it possible to use the Mammoth utility upgrade option to upgrade from BDA V1.0.3 to BDA V2.*? |
| If a BDA and Exadata do not share the same subnet as in the question above and they are experiencing communications problems is there a solution? |
| If a BDA and Exadata are experiencing communication problems what is the way to verify the InifiniBand connections? |
| Cloudera Manager sent alerts during the Mammoth install and upgrade. Is that a problem? |
| If ASR will not be setup during an install should the Mammoth utility step which installs and configures Auto Service Request (ASR) still be run? |
| 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? |
| The BDA requires downtime while upgrading, but does this apply to a Oracle NoSQL DB deployment as well? Also does Mammoth support upgrades for Oracle NoSQL DB? |
| 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? |
| Is it possible to re-ip the IP addresses on a CDH cluster? |
| When installing Oracle NoSQL DB what happens if the params file enables Kerberos, ASR, EOM, and/or Audit Vault? |
| What is the best way to reimage a new rack from BDA V2.2.0 to V2.4? |
| In the case above of reimaging a new rack from BDA v2.2.0 to v2.4 is it necessary to redo the network configuration? |
| If running reimagerack is it ever the case that the network configuration will need to be redone? |
| Is it possible to disable root ssh remote login after initial setup? Mammoth requires remote root access but is that required otherwise? |
| Is it possible to reimage a cluster running a version of BDA with OEL 6.4 down to a version running OEL 5.8? |
| Why doesn't the BDA Configuration Generation Utility V2.0 mention the KVM? |
| We find two sets of BdaDeploy.json files -- one of them has the labels in upper case and one has in lower case -- "ilom_names" vs "ILOM_NAMES", does it matter which one we use with mammoth? |
| Is networksetup-one suppose to make all the network changes to PDUs/IB switches along with BDA server changes based on BdaDeploy.json? |
| If networksetup-one was partially successful can it be re-run? |
| If networksetup-one was run before the PDUs and IB Switches were configured can those still be manually configured? |
| Does the Mammoth install use the Client network? |
| In case of a problem, can networksetup-two be run multiple times? |
| Would changing min poll and max poll to 6(64) or 7(128) impact a CDH or NoSQL cluster? |
| When setting up the configuration files with the Configuration Utility can the rack name and cluster name be the same? |
| Is the BDA V3.0.1 BdaDeploy.json backward compatible to V2.* versions? |
| During an installation at what point should imagehistory/imageinfo show the updated versions? |
| Is it expected that running dumpcluster.sh prior to upgrade outputs passwords like oozie_database_password, hive_metastore_database_password, etc.? |
| Is it possible to use ORD 3.0.2 on the BDA? |
| Does Mammoth install Accumulo? |
| Where and how to check on what subnet the infiniband network range is setup? |
| What does the installation Step 3, PatchFactoryImage do? Does it install patches? |
| Can the BDA be configured with 2 distinct management subnets in order to isolate all server ILOMs in a dedicated subnet? |
| If a patch uninstall fails for any reason is it necessary to manually run oracleUserDestroy.sh and remTestUsers.sh to clean up before installing the patch again? |
| For networksetup-two to run successfully, is the client gateway must? Or it can work with mgmt gateway ? |
| What information exists on an SSSD daemon installation? |
| Is it possible to create a new cluster with exactly the same configuration as an existing cluster? |
| If only one 10GbE port is enabled on an IB leaf swtich will that cause a problem with a Mammoth install? |
| Is using a Local DNS supported on the BDA v4.1.0? |
| Since you can expand/extend a BDA cluster is it possible to shrink a BDA cluster? |
| Is a BDA Base Image released for each Mammoth release? |
| During a cluster node expansion is it expected that the hdfs service would be restarted when step 9 InstallHadoop is in progress on the new nodes? |
| Are there any special considerations for expanding a cluster with servers with a larger disk size than the original? |
| What happens if I need to replace both OS disks on one server? |
| After upgrade to BDA 4.3 or higher from BDA 4.2 how is https/http setup? |
| Does a BDA upgrade upgrade the switches in addition to the software? |
| Is it possible to install RDBMS on the BDA? |
| What software runs on BDA X6-2? |
| Is there an automated way to backup /root and /boot on a system. Is that backup step recommended,generally? |
| CDROM Reimage FAQ |
| Is it expected that a CDROM reimage will stay at the screen: Post-Installation Running post-installation scripts for at least 30 minutes? |
| Is there any way to monitor a process in this state? |
| From the console how can you monitor what commands have been issued? |
| Other than reimage is there a way to wipe out all data for a POC? |
| What default settings are in /etc/sysctl.conf on BDA 4.4 and 4.5? |
| In BDA 4.5 what is the way to change the disk encryption password? |
| What about using hdfs transparent encryption and on-disk encryption together? |
| Is Network Encryption (TLS/SSL) a prerequisite for HDFS Transparent Encryption? |
| If upgrading CDH is is recommended to also upgrade CM? |
| Now that the BDA 4.5 base image has been released, when should it be use? |
| Is installing Oracle GoldenGate supported on the BDA? |
| Is it possible to extend a BDA v4.4.0 OL6 cluster to X6-2 hardware that arrives with BDA v4.5.0? |
| Is it possible to install or extend a BDA 4.6 cluster, for example, onto BDA servers with a BDA V4.5 base image? |
| Where is BDD 1.3 certified? |
| After install the ODI Agent it is found to be running on the IB network making ODI unusable. What is the workaround? |
| How does the master.xml file used by the configuration utility correlate with cluster configuration changes? |
| What suggestions are there for edge node installation with regards to the BDA? |
| Can a role deployed by BDA mammoth, be deleted or decommissioned with Cloudera Manager? |
| References |