In this Demo

• Will show managing user requests

• accessing files from multiple sites in a secure manner

• selecting the “best” replica

• participating institutions for file replicas

  • SDSC: all the files for the demo on HPSS
  • about 15 disjoint files on disk in each of 5 locations: ISI, ANL, NCAR, LBNL, LLNL
  • some files are only on tape
  • size of files 100-500 MBs

• the entire dataset stored on HPSS at NERSC (LBNL)

  • use HRM (via CORBA) to request staging of files to HRM’s disk
  • use GSI-ftp (security enhanced FTP) to transfer the file after it is staged

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