Hierarchical Resource Manager

• Hierarchical Resource Manager (HRM)

  • HRM: for managing the access to tape resources (and staging to local disk)
    • A HRM uses a disk cache for staging
    • functionality generic but needs to be specialize for specific mass storage systems
    • e.g. HRM-HPSS, HRM-Enstore, ...
  • DRM: for managing disk resources
    • Under development

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