Apple NMB-003 Installing Xserve RAID Hardware and Software, Data Storage Methods, RAID Overview

7	RAID Overview		57
	Setting Up the Xserve RAID System			57
	Installing Xserve RAID Hardware and Software 57
	About RAID Storage		58
	How RAID Works		58
	Data Storage Methods 59
	RAID Levels	60
	Hardware and Software RAID 61
	What’s Next?	62
8	Planning RAID Storage
	for the Xserve RAID System			63
	Tools for Configuring the Xserve RAID System				63
	RAID Controllers and Drive Modules			64
	Xserve RAID Schemes		66
	A System With Four Drive Modules			66
	A System With Seven Drive Modules 70
	A System With 14 Drive Modules			73
	Storage Capacities for Xserve RAID Schemes				78
	Xserve RAID Hardware Connections			79
	Connecting a Four-Drive System to a Host Computer or Switch					80
	Connecting a Seven-Drive System to a Host Computer or Switch					80

Connecting a 14-Drive System to a Host Computer or Switch 80

Contents 5