A method, apparatus, and article of manufacture are provided to support dynamic assignment of data from a continuous stream of data to one or more storage devices in a storage network. The storage network is configured with one or more tiers in a hierarchy, with at least one storage device in each tier....http://www.google.ca/patents/US8103824?utm_source=gb-gplus-sharePatent US8103824 - Method for self optimizing value based data allocation across a multi-tier storage system