Magento\MediaStorage\Model\Config\Source\Storage\Media\Storage Magento\MediaStorage\Model\Config\Source\Storage\Media\Database Magento\MediaStorage\Model\Config\Backend\Storage\Media\Database 1 Magento\MediaStorage\Block\System\Config\System\Storage\Media\Synchronize After selecting a new media storage location, press the Synchronize button to transfer all media to that location and then "Save Config". Media will not be available in the new location until the synchronization process is complete. validate-zero-or-greater validate-digits