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Node 3 Migration and Reprovision on Oracle Big Data Appliance V4.1 OL6 Hadoop Cluster to Manage a Hardware Failure (Doc ID 1984854.1)

Last updated on APRIL 04, 2019

Applies to:

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

Purpose

This note provides an example of the functionality provided by the bdacli utility to maintain the services on a BDA Hadoop cluster in the event of a Node 3 failure with as little interruption as possible. The example used here was done with a test where Node 3 was shutdown with "shutdown -h now". General details can be found in the MOS note: Node Migration Node Migration on Oracle Big Data Appliance V4.0 OL6 Hadoop Cluster to Manage a Hardware Failure (Doc ID Node Migration on Oracle Big Data Appliance V4.0 OL6 Hadoop Cluster to Manage a Hardware Failure (Doc ID 1946210.1).

 

Details

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In this Document
Purpose
Details
 Introduction to BDA Hadoop node migration
 Additional Node migration considerations before starting
 Known Issues for BDA 4.1 Server Resiliency
 Mandatory Prerequisites
 Best Practices
 Testing
 BDA CDH node migration detailed steps
 Overview of the steps
 Output when migrating Node 3 on BDA V4.1
 Cluster verification after migrating Node 3 on BDA V4.1
 Output when reprovisioning Node 3 on BDA V4.1
 Cluster verification after reprovisioning Node 3 on BDA V4.1
 Known Issues After V4.1 node Migration
References

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