Unknown option: --uninstall.  See `drush help pm-disable` for available options. To suppress this error, add the option --strict=0.

$options['strict'] = FALSE;

drush status

Drush version                   :  6.2.0
Drush configuration             :  /var/www/html/drupal/sites/all/drush/drushrc.php
Drush alias files               :  /root/.drush/my.alias.drushrc.php