Use this .NET SDK to interface with Spectra Logic's DS3 API. This official SDK supports the DS3 operations for the transfer of data to tape for archival storage. See the documentation for detailed setup instructions and to access the Google Forum for Spectra Logic SDKs.
This week, Amazon announced a new addition to their AWS web service Amazon Glacier, which offers "extremely low cost archive storage" and easy setup for anyone already familiar with AWS. Though the pricing model seems convoluted, the continued expansion of Amazon's cloud computing services is good news for developers.