About Access Appliance as archival storage for Enterprise Vault
Access Appliance can be used as both primary storage and secondary storage for Enterprise Vault.
Primary storage: Enterprise Vault can archive data directly to the storage system vault store partition.
Secondary storage: Enterprise Vault can migrate collections of files from an NTFS or network share vault store partition to a secondary storage location.
Figure: Access Appliance as a primary archive datastore for Enterprise Vault shows how Access Appliance works as a primary archive datastore for Enterprise Vault.