Where to configure the disk space warning for the Manager since there is no ServerDetail : Advanced page for the Manager?
Modify the following entries in Vontu\Protect\config\IncidentPersister.properties:
# archive.severe_disk_usage.percent is how full the disk where the Message Archives are stored can be before generate a SEVERE system event
persister.archive.severe_disk_usage.percent=90
# archive.warning_disk_usage.percent is how full the disk where the Message Archives are stored can be before generate a WARNING system event
persister.archive.warning_disk_usage.percent=80