Manual

Hardware
The Enterprise Virtual Array includes the following hardware components:
• Fibre Channel d rive enclosure— Contains disk drives, p ower supplies, blowers, I/O modules,
and an Environm
ental Monitoring Unit (EMU).
• Fibre Channel loop switch—Provides t welve-port central interconnect for Fibre Channel drive
enclosure FC Arbitrated Loops. Fibre Channel loo p switches are used only on the EVA5000.
• HSV controlle
r—Manages all aspects of storage system operation, including communications
between host s
ystems and other devices. A pair of HSV controllers i s included in Enterprise
Virtual Array.
• Rack—A variety of free-standing racks are available.
Physical layout of the storage system
The basic physical components are shown in Figure 1. The disk drives are installed in the disk enclosures,
which connect to Fibre Channel (FC) loop switches. The controller pair also connects to the FC loop
switches.
1
3
3
2
CXO7941
A
Figure 1 Storage system h ardware compone nts
1. Drive enclosures 2. FC switches
3. Controllers
The ha rdware components shown in Figure 1 are discussed in the following sections and in Storage
System Hardware Components.
Fibre Channel drive enclosure
Each Fibre Channel drive enclosure includes the following features. For additional information, see
Fibre Channel drive enclosures.
• 3U enclosure
• Dual-redundant, active-to-active, 2–G bps FC loops
• Fourteen bays for 1–inch FC disks
Enterprise Virtual Array 3000/5000 user guide
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