Hub/Switch Installation Guide
Chapter 1 HPSS Basics
HPSS Installation Guide September 2002 25
Release 4.5, Revision 2
Figure 1-2 Relationship of HPSS Data Structures
1.3.2 HPSS Core Servers
HPSS servers include the Name Server, Bitfile Server, Migration/Purge Server, Storage Server,
Gatekeeper Server, Location Server, DMAP Gateway, Physical Volume Library, Physical Volume
Repository, Mover, Storage System Manager, and Non-DCEClient Gateway. Figure 1-3providesa
simplified view of the HPSS system. Each major server component is shown, along with the basic
control communications paths (thin arrowed lines). The thick line reveals actual data movement.
Infrastructure items (those components that “glue together” the distributed servers) are shown at
thetopofthecubeingrayscale.TheseinfrastructureitemsarediscussedinSection1.3.4.HPSSuser
interfaces (the clients listed in the figure) are discussed in Section 1.3.5.