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

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High Performance Storage System • HSM, network based, distributed model • Separation of data, control paths, parallel IO to tape and disk. • Centralized metadata manager (initially Transarc SFS, now IBM DB2). • Security and distributed model based on DCE. Latest version removes DCE. Replaced with GSS model over Kerberos, UNIX and LDAP. RPC HPSS developed. • Scalability in name space (storage subsystems, DB2).
High Performance Storage System • Commercial offering from IBM Federal Systems in Houston. • Number of sites world wide running HPSS. • Sites include DOE labs, universities, weather centers, DOD facilities, foreign sites in France, England, Japan, Korea. Currently about 50 sites (classified and unclassified).
Page 1 and 2: Archival Storage At LANL Past, Pres
Page 3 and 4: HSM: Hierarchical storage managemen
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: 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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