Downgrading to an older version

To downgrade the Big Data Protector to an older version:

1. Edit the cluster.config file for the older version to update the following:
   1. Set the value of the PREV_INSTALL_FILES_DIR parameter to the newer version of the protector.
   2. Set the value of the ROLLING_STALE_CONFIGS_ONLY parameter to True.
   3. Set the value of the ROLLING_UNUPGRADED_ONLY parameter to True.
2. Execute the bdp_smooth_upgrade.sh script.

To execute the script:

1. Log in to the Master node.
2. Navigate to the directory where the installation files for the older version are extracted.
3. To execute the script, run the following command:

   ./bdp_smooth_upgrade.sh
   

4. Press ENTER. The script dowgrades the protector to an older version specified in the cluster.config file.