Compaq 3000 manual Slot Device Expansion Shelf Optional

RAID Array 3000 Controller Shelf

1.66-Slot Device Expansion Shelf (Optional)

NOTE

The Device Expansion Shelf (DS-SWXRA-GN) must have a revision level of B01 (or higher) to operate with the RAID Array 3000 Controller Shelf. Also, the Personality I/O module supplied with the shelf (part no. 70-33067-02) must have a mini- mum revision level of H01 or higher.

The RAID Array 3000 Controller Shelf is designed to operate with the Storage- Works BA356-S Series Device Expansion Shelf (shown in Figure 1–2. The De- vice Expansion Shelf is a rackmount enclosure that houses the storage devices for your storage system installation. The Controller Shelf can be connected to one, or up to four Device Expansion Shelves giving the storage system a maxi- mum capacity of 24 storage devices.

The Device Expansion Shelf is equipped with two dc power supplies, a personal- ity I/O module that provides the UltraSCSI bus interface, and six empty slots for storage device SBBs. The user’s guide for the Device Expansion Shelf is pack- aged with the unit and must be used with this document to properly install and configure the RAID Array 3000 Controller Shelf.

1.7Connecting the RA3000 Controller Shelf to a Host System

This section illustrates how to connect four possible Controller Shelf/Host con- figurations. The configurations are:

∙Single host, single adapter, with one active controller

∙Single host, single adapter, with two active controllers

∙Single host, dual adapter, two port with two active controllers

∙Dual host, single adapter, with one active controller per host

1–14 EK–SMCPQ–UG. C01