Integration Guide

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Uninstall for Amazon EMR, Azure HDInsight, and MapR

Complete the following prerequisite tasks before you uninstall:

Verify that the Big Data Management administrator can run

sudo

commands.

If you are uninstalling in a cluster environment, configure the root user to use a passwordless Secure Shell (SSH) connection between the machine where you want to run the Big Data Management uninstall and all of the nodes where Big Data Management is installed.

If you are uninstalling in a cluster environment using the

HadoopDataNodes

file, verify that the

HadoopDataNodes

file contains the IP addresses or machine host names of each of the nodes in the Hadoop cluster from which you want to uninstall Big Data Management. The

HadoopDataNodes

file is located on the node from where you want to launch the installation. You must add one IP address or machine host name of the nodes in the Hadoop cluster for each line in the file.

Complete the following tasks to perform the uninstallation:

To uninstall in a single node environment, log in to the machine on which Big Data Management is installed.

To uninstall in a cluster environment using the HADOOP_HOME environment variable, log in to the primary name node.

To uninstall in a cluster environment using the

HadoopDataNodes

file, log in to any node.

Run the following command to start the uninstallation in console mode:

bash InformaticaHadoopInstall.sh
sh InformaticaHadoopInstall.sh
./InformaticaHadoopInstall.sh

Press

to accept the terms of agreement.

Press

Enter

Select 3
to uninstall.

Press

Enter

Select the uninstallation option, depending on the environment:

Select

to uninstall from a single node environment.

Select

to uninstall from a cluster environment.

Press

Enter

If you are uninstalling in a cluster environment, select the uninstallation option, depending on the uninstallation method:

Select

to uninstall from the primary name node.

Select

to uninstall using the

HadoopDataNodes

file.

Press

Enter

If you are uninstalling from a cluster environment from the primary name node, type the absolute path for the Hadoop installation directory. Start the path with a slash.

The uninstaller deletes all of the binary files from the following directory:

/<Big Data Management installation directory>/Informatica

In a cluster environment, the uninstaller deletes the binary files from all nodes within the Hadoop cluster.

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Table of Contents

Integration Guide

Integration Guide

Uninstall for Amazon EMR, Azure HDInsight, and MapR

Uninstall for Amazon EMR, Azure HDInsight, and MapR