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v To correct airflow in each rack, the rack filler plates must be installed in unused
positions. Also, all the gaps in the front of the racks must be sealed, including the
gaps between the storage subsystems.
120 cm (48 in.)
cold aisle width
244 cm (96 in.) between
center lines of hot
and cold aisle
Perforated tiles
or gratings
back
back
T42 racks
T42 racks
T42 racks
Hot aisle
Air
conditioner
back
front
front
front
Airflow
Cold aisle
Figure 12. Example of cold aisle/hot aisle rack configuration
16 System Storage DS3200 Storage Subsystem: Installation, User’s, and Maintenance Guide