HP StorageWorks HSG80 ACS Solution Software V8.8 for HP-UX Installation and Configuration Guide (AA-RV1FA-TE, March 2005)

29HSG80 ACS Solution Software V8.8 for HP-UX 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 Reference Guide

The following information is included in this chapter:

■ "Defining Subsystems", page 30

■ "What is Failover Mode?", page 33

■ "Selecting a Cache Mode", page 39

■ "Enabling Mirrored Caching", page 41

■ "What is the Command Console LUN?", page 41

■ "Determining Connections", page 43

■ "Assigning Unit Numbers", page 48

■ "What is Selective Storage Presentation?", page 53

Note: DILX should be run for ten minutes on all units to delete the 8 MB EISA partition.

Refer to

HP StorageWorks HSG60 and HSG80 Array Controller and Array Controller

Software Command Line Interface Reference Guide

for details.

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.