IBM XIV Gen3 Series, Planning Manual

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Floor reinforcement must support the weight of the XIV system over a specific
area, as shown in the following table. These measurements are slightly less than
the footprint area of the system, due to the overhang of the door.
The weight requirements in the following table are for a rack with 15 modules. For
model 281x-114 and 281x-214 racks with less than 15 modules, subtract the 28.6 kg
(63 lb) for each module less than 15 to get the approximate weight requirement for
your rack. For model 281x-314 racks with less than 15 modules, subtract the 29.7
kg (65.49 lb) for each module less than 15 to get the approximate weight
requirement for your rack.
Table 19. Floor weight-support requirements
Model Floor reinforcement area Total weight
Model 281x-114 66 cm × 118 cm (26 in. × 46.5 in.) 1040.8 kg (2294.5 lbs)
Model 281x-214 66 cm × 118 cm (26 in. × 46.5 in.) 1040.8 kg (2294.5 lbs)
Model 281x-314 66 cm × 118 cm (26 in. × 46.5 in.) 1050 kg (2535.75 lbs)
The same floor-loading requirements apply to partially populated and fully
populated racks.
The rear-door heat exchanger adds more weight to the rack. For information about
the weight of an empty and filled door, see “Rear-door heat exchanger feature” on
page 22.
To ensure that all requirements are met, obtain the service of a qualified structural
engineer to prepare the floor.
Important: If you do not know or are not certain about the floor-load rating of the
installation site, you must check with the building engineer or another appropriate
person.
Rack dimensions and service clearance requirements
The installation site must accommodate the rack dimensions and minimum service
clearance for the XIV system.
IBM service representative must have enough space to open the front and rear
covers to service the XIV system, including removing components and other
assemblies from the XIV system.
Notes:
v You can position racks no closer than 45 cm (17.7 in.) to a wall.
v You can position racks alongside (next to) other racks.
v Because several rack designs are available from IBM and other vendors, space
between adjacent racks might be required to open the door for service. You must
determine the space requirement at the time of installation.
Dimensions and minimum service clearance for the XIV system are shown in the
following table and figure.
Chapter 6. Installation site requirements
31