Queuing File Transfers
Number of Parallel FTPs to HPSS are limited
- limit set by a parameter
- parameter can be changed dynamically
HRM is multi-threaded
- issues and monitors multiple Parallel FTPs
All requests beyond PFTP limit are queued
File Catalog used to provide for each file
- HPSS path/file_name
- Disk cache path/file_name
- File size
- tape ID