Many ways to store data 4 devices distn他/∥c Storage devices ①Storage devices ● Existing devices oHierarchical storage Distributed storage Parallelizing files'storage Conclusion oo HSM 4/42 S.Ponce-CERNMany ways to store data 4 / 42 S. Ponce - CERN devices distrib // c/c zoo HSM Storage devices 1 Storage devices Existing devices Hierarchical storage 2 Distributed storage 3 Parallelizing files’ storage 4 Conclusion