Secure, archival storage with POTSHARDS
Mark W. Storer, Kevin M. Greenan, Ethan L. Miller, Kaladhar Voruganti · 2007
There are many factors motivating the need to securely store private data for long periods of time. These range from requirements on business data demanded by recent legislation to the push towards digital creation of cultural and family heritage data. This information often needs to be stored securely; data such as medical and legal documents that could be important to future generations must be kept indefinitely but must not be publicly accessible. Unfortunately, existing storage solutions have yet to prove their ability to store data securely for long periods of time. To this end, the goal of secure, archival storage is to provide long-term data security and reliability. Archival storage has a unique usage model that is poorly served with techniques commonly found in conventional storage. The usage model of secure, long-term archival storage is write-once, read-maybe and thus stresses throughput over