Compaq StorageWorks HSG60 ACS Solution V8.6 for SGI IRIX Installation and Configuration Guide

Chapter 1
Planning a Subsystem
The information in this chapter will help you plan how to configure the subsystem.
Refer Chapter 2 to plan the types of storage containers you need.
IMPORTANT: This chapter frequently references the command line interface (CLI). For the
complete syntax and descriptions of the CLI commands, see the Compaq StorageWorks
HSG60 Array Controller ACS Version 8.6 CLI Reference Guide.
The following information is included in this chapter:
■ “Defining the Subsystems,” page 1–1
■ “Failover Mode,” page 1–4
■ “Selecting a Cache Mode,” page 1–7
■ “Enabling Mirrored Caching,” page 1–9
■ “The Command Console LUN,” page 1–9
■ “Connections,” page 1–11
■ “Assigning Unit Numbers,” page 1–14
■ “Selective Storage Presentation,” page 1–17
■ “Worldwide Names (Node IDs and Port IDs),” page 1–17
Defining the Subsystems
The HSG60 controller uses the Model 2100 enclosure.