SLAC staging approach: PFTP + HPSS

File & catalog

management

Stage-in

requests

UNIX FS I/O

DB

pages

AMS

Gateway

daemon

HPSS

Server

Disk

Pool

Gateway Requests

Migration

daemon

PFTP

(

data)

Disk

Server

(Solaris)

HPSS Mover

Tape

Robot

PFTP

(

control)

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