Uninstall and upgrade LiveData Migrator

We recommend that you regularly upgrade LiveData Migrator so you can take advantage of new functionality and other improvements. To upgrade, uninstall your current version and then install the new version.

The following steps explain how to uninstall LiveData Migrator and its components.

important

Backup any configuration files that you wish to save (located in /etc/wandisco) before uninstalling LiveData Migrator.

If you are installing a newer release afterward, note the details of any current migrations that you want to start again once the new version is installed.

Stop all active migrations

Before uninstalling LiveData Migrator, stop all active migrations of data and/or metadata.

• Stop migrations in the UI when viewing the migration.

• If you prefer to stop data migrations in the CLI, run the stop migration command:

  Example

  migration stop --name <name>

• To stop metadata migrations, run the stop metadata migration command:

  Example

  hive migration stop all

Uninstall any remote agents

If you have deployed any remote agents (for target metastore connections), log in to the hosts for the remote agents and uninstall them using the following commands:

1. Stop the service:

   service hivemigrator-remote-server stop

2. Remove the remote server package:

   Red Hat/CentOS

   yum remove -y hivemigrator-remote-server.noarch

   Ubuntu

   apt-get purge -y hivemigrator-remote-server

   SUSE 12

   zypper remove -y hivemigrator-remote-server

3. Delete all related directories:

   rm -rf /etc/wandisco/hivemigrator-remote-server /var/run/hivemigrator-remote-server

Uninstall LiveData Migrator

1. Stop all LiveData Migrator services:

   service livedata-ui stop && service hivemigrator stop && service livedata-migrator stop

2. Remove all LiveData Migrator components:

   Red Hat/CentOS

   yum remove -y hivemigrator.noarch hivemigrator-azure-hdi.noarch livedata-migrator.noarch livedata-migrator-cli.noarch livedata-ui.noarch

   Ubuntu

   apt-get purge -y hivemigrator hivemigrator-azure-hdi livedata-migrator livedata-migrator-cli livedata-ui

   SUSE 12

   zypper remove -y hivemigrator hivemigrator-azure-hdi livedata-migrator livedata-ui && rpm -e livedata-migrator-cli

3. Delete all related directories:

   rm -rf /etc/wandisco/ui /etc/wandisco/hivemigrator /var/run/hivemigrator /var/run/livedata-migrator /var/run/livedata-ui

Next Steps

Install the latest version of LiveData Migrator.