User's Manual

1 EVA4400 hardware
The EVA4400 contains the following hardware components:
• EVA controller enclosure—Contains power supplies, cache batteries, fans, and HSV controllers.
• Fibre Channel disk enclosure—Contains disk drives, power supplies, fans, midplane, and I/O
modules.
• Fibre Channel Arbitrated Loop cables—Provide connectivity to the EVA controller enclosure
and the Fibre Channel disk enclosures.
• Rack—Several free standing racks are available.
Physical layout of the storage system
The basic physical components are shown in Figure 1 (page 9). The disk drives are installed in
the disk enclosures.
Figure 1 Storage system hardware components (back view)
1. Controller enclosure (showing HSV300)
2. Disk enclosures
3. Power distribution unit (at rear of enclosure)
Physical layout of the storage system 9