Patent ID: 8131964

Claim:
A method comprising: receiving a first data stream comprising first data from a first application, wherein the first data comprises a first plurality of files, wherein the first data stream is created based on a first data retention policy associated with files, and wherein the first data stream is directed to a first storage media; receiving a second data stream comprising second data from a second application, wherein the second data comprises a second plurality of files, wherein the second data stream is created based on a second data retention policy that is different than the first data retention policy, and wherein the second data stream is also directed to the first storage media; and combining with at least one computer at least a portion of the first plurality of files from the first data stream and at least a portion of the second plurality of files from the second data stream into a first data chunk of one or more data chunks; adding a first identifier to the first data chunk that identifies in the first data chunk, the portion of the first plurality of files from the first data stream; and adding a second identifier to the first data chunk that identifies in the first data chunk, the portion of the second plurality of files from the second data stream.