A storage includes: host interface units; file control processors which receives a file input/output request and translates the file input/output request into a data input/output request; file control memories which store translation control data; groups of disk drives; disk control processors; disk...http://www.google.com/patents/US7127585?utm_source=gb-gplus-sharePatent US7127585 - Storage having logical partitioning capability and systems which include the storage
