SRM is a Service

• SRMs role in the data grid architecture

  • Storage resource allocation & scheduling
  • SRMs DO NOT perform file transfer
  • SRMs DO invoke file transfer service if needed (GridFTP)

• Types of storage resource managers

  • Disk Resource Manager (DRM)
  • Tape Resource Manager (TRM)
  • Hierarchical Resource Manager (HRM=TRM + DRM)

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