HP 4000.6000.8000 Enterprise Virtual Arrays - Manual (Page 21)

Hardware
The Enterprise Virtual Array includes the following hardware components:
• Fibre Channel drive enclosure—Contains disk drives, power supplies, blowers, I/O modules,
and an Environmental Monitoring Unit (EMU).
• Fibre Channel loop switch—Provides twelve-port central interconnect for Fibre Channel drive
enclosure FC Arbitrated Loops. Fibre Channel loop switches are required only for EVA6000 and
EVA8000 configurations with more than four disk enclosures.
• HSV controller—Manages all aspects of storage system operation, including communications
between host systems and other devices. A pair of HSV controllers is 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
CXO7941A
Figure 1 Storage system hardware components
1. Drive enclosures 2. FC switches
3. Controllers
The hardware 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–Gbps FC loops
• Fourteen bays for 1–inch FC disks
4000/6000/8000 Enterprise Virtual Array user guide 21