Rack Ac Power Distribution; Moving And Stabilizing A Rack - HP StorageWorks 6400/8400 - Enterprise Virtual Array User Manual

Rack AC power distribution

The power distribution configuration in a Rack System/E rack depends on the number of storage
systems installed in the rack. If one storage system is installed, only two PDUs are required. If multiple
storage systems are installed, four PDUs are required.
The site AC input voltage is routed to each PDU mounted in the rack. Each PDU distributes AC through
ten receptacles directly to the storage system components.
• PDUs 1 and 3 (optional) are mounted on the left side of the cabinet. Power cords connect these
PDUs to the number 1 drive enclosure power supplies and to the controller enclosures.
• PDUs 2 and 4 (optional) are mounted on the right side of the cabinet. Power cords connect these
PDUs to the number 2 drive enclosure power supplies and to the controller enclosures.

Moving and stabilizing a rack

WARNING!
The physical size and weight of the rack requires a minimum of two people to move. If one person
tries to move the rack, injury may occur.
To ensure stability of the rack, always push on the lower half of the rack. Be especially careful when
moving the rack over any bump (e.g., door sills, ramp edges, carpet edges, or elevator openings).
When the rack is moved over a bump, there is a potential for it to tip over.
Moving the rack requires a clear, uncarpeted pathway that is at least 80 cm (31.5 in) wide for the
60.3 cm (23.7 in) wide, 42U rack. A vertical clearance of 203.2 cm (80 in) should ensure sufficient
clearance for the 200 cm (78.7 in) high, 42U rack.
CAUTION:
Ensure that no vertical or horizontal restrictions exist that would prevent rack movement without
damaging the rack.
Make sure that all four leveler feet are in the fully raised position. This process will ensure that the
casters support the rack weight and the feet do not impede movement.
Each rack requires an area 600 mm (23.62 in) wide and 1000 mm (39.37 in) deep (see
34 EVA6400/8400 hardware
Figure 20).