Requirements

Requirements

Central

UNIX SMP

systems

Workgroup

servers

UNIX workstations

Desktops: PCs, X-terms

several TB

of disk

100s of GB

per system

10s of GB

per system

0 to several

GB per system

Few

Several

10s

100s

100s of TB

robotic store

PB serial

store

area of concern

Previous slide Next slide Back to the first slide View Graphic Version

Notes:

Now let’s consider the requirements and goals of our efforts…

First, to put things in context, here is a schematic of the DØ Run II computing model

.

.

.

Here we are concerned with the bottom level --- the large number of desktop machines