This article refers to the Barracuda Message Archiver firmware version 5.0 or higher.
Most of the controls needed to manage both the internal and external storage volumes are on the Advanced > Storage Manager page. For storage capacity details by model, refer to the Barracuda Message Archiver Product Datasheet.
Enabling storage data mirroring provides data redundancy for added protection against corruption of the actual hardware, while reducing overall drive capacity. Note that you must disable anti-virus scan on mirror shares before adding those shares to a group on the Advanced >Storage Manager page.
All notification emails regarding storage maintenance, such as alerts for low storage space, are configured on the Basic > Administration page.