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HP StorageWorks Modular Smart Array 50 Storage Enclosure User Guide
– Coupling multiple racks
The Rack Products Documentation CD enables you to view, search, and print
documentation for HP and Compaq branded racks and rack options. It also
helps you set up and optimize a rack in a manner that best fits your
environment.
If you intend to deploy and configure multiple servers in a single rack, refer to
the white paper on high-density deployment on the HP website
(http://www.hp.com/products/servers/platforms).
Optimum environment
When installing the storage enclosure in a rack, select a location that meets the
environmental standards described in this section.
Space and airflow requirements
To allow for servicing and adequate airflow, observe the following space and
airflow requirements when deciding where to install a rack:
Leave a minimum clearance of 63.5 cm (25 in) in front of the rack.
Leave a minimum clearance of 76.2 cm (30 in) behind the rack.
Leave a minimum clearance of 121.9 cm (48 in) from the back of the rack to
the back of another rack or row of racks.
HP storage enclosures draw in cool air through the front door and expel warm air
through the rear door. Therefore, the front and rear rack doors must be
adequately ventilated to allow ambient room air to enter the cabinet, and the rear
door must be adequately ventilated to allow the warm air to escape from the
cabinet.
When a vertical space in the rack is not filled by a server or rack component, the
gaps between the components cause changes in airflow through the rack and
across the servers. Cover all gaps with blanking panels to maintain proper
airflow.
CAUTION: To prevent improper cooling and damage to the
equipment, do not block the ventilation openings.
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