Apple Xserve RAID User's guide User's Guide download pdf (Page 57)

CHAPTER

7 RAID Overview

Xserve RAID provides a powerful, versatile, and cost-effective answer to the growing storage

requirements of graphics and video production companies, email and web services,

educational ﬁle sharing, and other businesses.

You can conﬁgure the Xserve RAID system in a variety of ways, using up to 14 drives in two

groups of 7 drives. Each group has a separate RAID controller. The Xserve RAID hardware

can support RAID levels 0, 1, 0+1, 3, or 5, and you can use the RAID software in Mac OS X to

create the hybrid levels 10, 30, or 50. See “About RAID Storage” on page 58 for descriptions of

RAID levels and storage methods.

Setting Up the Xserve RAID System

This manual includes an explanation of the RAID technology and instructions for conﬁguring

your Xserve RAID system. The setup procedure involves these steps:

m installing the hardware and setting up network and host connections

m determining the RAID levels, the number of RAID sets, and the conﬁgurations for your

storage needs

m installing or rearranging Apple Drive Modules in the Xserve RAID system for the

conﬁguration you’ve selected, if necessary

m conﬁguring RAID sets using the RAID Admin software supplied with the system (and

possibly also using Disk Utility in Mac OS X to augment sets)

m formatting the Xserve RAID sets with a ﬁle system on the host system using Disk Utility

Installing Xserve RAID Hardware and Software

Follow the instructions in Chapter 3, “Mounting Xserve RAID in a Rack,” on page 23 and

Chapter 4, “Connecting Xserve RAID to a Host System and a Network,” on page 37 for

hardware installation and connections. These include

m installing the system in a rack or cabinet

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Apple Xserve RAID User's guide User's Guide Page 57