Archival Storage At LANL Past, Present and Future - Los Alamos ...

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Main points of presentation • Brief history of archival storage at LANL. • More detailed history of HPSS with focus on how HPSS has been used at LANL • Discuss LANL future in archival storage.
HSM: Hierarchical storage management • Purposes of HSM: – Extend file system space – Back up disk files to tape – Manage permanent archive • Can be integrated with file system or usage of an archival utility. – Data migrates “down” the hierarchy – Migrated files may be asynchronously purged from higher level (e.g. disk) to free up space • Multiple classes of service in a single name space, for example – Disk to tape – Tape only – High speed disk to low-cost disk to MAID to tape library to shelf tape Archive front end disk robotic tape shelf tape data
Page 1: Archival Storage At LANL Past, Pres
Page 5 and 6: Tape is much less expensive • In
Page 7 and 8: • LANL has been involved in archi
Page 9 and 10: Common File System • HSM based on
Page 11 and 12: High Performance Storage System •
Page 13 and 14: High Performance Storage System •
Page 15 and 16: HPSS experience at LANL • Very re
Page 17 and 18: HPSS Future at LANL • Complete PS
Page 19 and 20: • Clients select Core Servers bas
Page 21 and 22: Future challenges for archival •
Page 23 and 24: Future challenges for archival •

Archival Storage At LANL Past, Present and Future - Los Alamos ...

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