Uninstall Big Data Management

1. Log in to the machine as root user. The machine you log in to depends on the Big Data Management environment and uninstallation method.
• - 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.
2. Run the following command to start the uninstallation in console mode:
bash InformaticaHadoopInstall.sh
sh InformaticaHadoopInstall.sh
./InformaticaHadoopInstall.sh
3. Press y to accept the Big Data Management terms of agreement.
4. Press Enter.
5. Select 3 to uninstall Big Data Management.
6. Press Enter.
7. Select the uninstallation option, depending on the Big Data Management environment:
• - Select 1 to uninstall Big Data Management from a single node environment.
• - Select 2 to uninstall Big Data Management from a cluster environment.
8. Press Enter.
9. If you are uninstalling Big Data Management in a cluster environment, select the uninstallation option, depending on the uninstallation method:
• - Select 1 to uninstall Big Data Management from the primary name node.
• - Select 2 to uninstall Big Data Management using the HadoopDataNodes file.
10. Press Enter.
11. If you are uninstalling Big Data Management from a cluster environment from the primary name node, type the absolute path for the Hadoop installation directory. Start the path with a slash.