Controller Features - Compaq StorageWorks TM RAID Array 3000 Pedestal Storage Subsystem Hardware User's Manual

RAID Array Controller 2-3

Controller Features

The controller is the intelligent bridge between the host and the devices in the
pedestal. From the host's perspective, the controller is simply another SCSI
device connected to one of its I/O buses. Consequently, the host sends its I/O
requests to the controller just as it would to any other SCSI device. Figure 2–1
shows the role of the controller between the host and the pedestal.
Figure 2-1. Bridging the gap between the host and the pedestal