COPAN has introduced a paradigm shift in storage economics leading to tier one storage being effectively 80 times more expensive than COPAN enhanced MAID solutions which, when complemented with data deduplication can deliver disk storage at 25% of the cost.This makes it much more attractive to keep all archive and reference data on disk, including all the backup images of systems, for data protection and disaster recovery. Whether resident locally, on remote systems or offline, this persistent data, which is accessed infrequently, must remain accessible in an easy, reliable and timely manner