The dCache Storage Element - Desy

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Martin Radicke Current and future developments DESY DVSeminar 16. Juni 2008 Hamburg 22
Martin Radicke Chimera namspace provider The PNFS namespace provider is the expected performance bottleneck, when dCache scales up to the Petabyterange solution: Chimera as the dropin replacement of dCache's namespace some features: with millions of file entries. ● dCache not bound to the limitations of NFS Ver. 2/3 anymore ● clean, databasecentric design → more requests/sec → more file entries PNFS or Chimera: your choice ● migration procedure/tools available ● some Tier1s in the process of conversion DESY DVSeminar 16. Juni 2008 Hamburg 23
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Page 5 and 6: Martin Radicke Requirements for a G
Page 7 and 8: migrate data Tape Storage TSM, HPSS
Page 9 and 10: Martin Radicke Advanced features Lo
Page 11 and 12: Martin Radicke Storage Resource Man
Page 13 and 14: Martin Radicke Project layout DESY
Page 15 and 16: Martin Radicke Development & Deploy
Page 17 and 18: Martin Radicke dCache is part of th
Page 19 and 20: Martin Radicke dCache and the LHC g
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