HP StorageWorks HSG80 ACS Solution Software V8.8 for OpenVMS Installation and Configuration Guide (AA-RV1PA-TE, March 2005)

25HSG80 ACS Solution Software V8.8 for OpenVMS Installation and Configuration Guide

Planning a Subsystem

This chapter provides information that helps you plan how to configure the

storage array subsystem. This chapter focuses on the technical terms and

knowledge needed to plan and implement storage subsystems.

Note: This chapter frequently references the command line interface (CLI). For the

complete syntax and descriptions of the CLI commands, see the

HP StorageWorks

HSG60 and HSG80 Array Controller and Array Controller Software Command Line

Interface (CLI) Reference Guide

The following information is included in this chapter:

■ Defining Subsystems, page 26

■ What is Failover Mode?, page 29

■ Selecting a Cache Mode, page 31

■ Enabling Mirrored Caching, page 32

■ What is the Command Console LUN?, page 33

■ Determining Connections, page 34

■ Assigning Unit Numbers, page 36

■ What is Selective Storage Presentation?, page 39

Refer to Chapter 2 when planning the types of storage containers you need.

Storage containers are individual disk drives (JBOD), storageset types (mirrorsets,

stripesets, and so on), and/or partitioned drives.