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Hitachi Vantara Lumada and Pentaho Documentation

Uninstalling Lumada Data Catalog

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The following topics provide instructions for uninstalling Lumada Data Catalog components.

Uninstalling an Agent

Perform the following steps to uninstall an Agent.

Procedure

  1. Open a shell prompt on the node where the Agent is installed and su to the service user account.

  2. Stop Services.

    /opt/waterlinedata/agent/bin/agent stop
  3. Remove binaries and log directories.

    sudo rm -rf /opt/waterlinedata/agent
    sudo rm -rf /var/log/waterlinedata/wd-agent.*
    sudo rm -rf /var/log/waterlinedata/spark-jobs/
  4. If no additional Lumada Data components are installed on the node, remove all the installation directories:

    sudo rm -rf /opt/waterlinedata
    sudo rm -rf /var/log/waterlinedata
  5. Delete the Agent's entry from the Lumada Data Catalog App-server's UI under Manage Agents section. Select the checkbox against the agent to delete and from the selection drop-down, choose Delete Agent.

Uninstalling a Metadata Server

Perform the following steps to uninstall a Metadata Server:

Procedure

  1. Open a shell prompt on the node where the Agent is installed and su to the service user account.

  2. Stop Services.

    /opt/waterlinedata/metadata-server/bin/metadata-server stop
  3. Remove binaries and log directories.

    sudo rm -rf /opt/waterlinedata/metadata-server
    sudo rm -rf /var/log/waterlinedata/wd-metadata-server.*
  4. If no additional Lumada Data Catalog components are installed on the node, remove all the installation directories:

    sudo rm -rf /opt/waterlinedata
    sudo rm -rf /var/log/waterlinedata

Uninstalling an Application Server

Perform the following steps to uninstall an Application Server:

Procedure

  1. Open a shell prompt on the node where the Agent is installed and su to the service user account.

  2. Stop Services.

    /opt/waterlinedata/app-server/bin/app-server stop
  3. If you do not wish to install Lumada Data Catalog again in the same environment, you can delete the fingerprint storage directories.

    hdfs dfs -rm -rf /user/ldcuser
  4. Remove binaries and log directories.

    sudo rm -rf /opt/waterlinedata/app-server
    sudo rm -rf /var/log/waterlinedata/wd-ui.*
    sudo rm -rf /var/log/waterlinedata/setup.log
  5. If no additional Lumada Data Catalog components are installed on the node, remove all the installation directories:

    sudo rm -rf /opt/waterlinedata
    sudo rm -rf /var/log/waterlinedata