Table 1-22 Maintenance Access Requirements for Oracle Exadata Database
Machine (All Models)
Location Maintenance Access Requirement
Rear maintenance 914 mm (36 inches)
Front maintenance 1232 (48.5 inches)
Top maintenance 914 mm (36 inches)
1.3 Flooring Requirements
Oracle recommends that Oracle Exadata Rack be installed on raised flooring. The site
floor and the raised flooring must be able to support the total weight of Oracle Exadata
Rack.
Table 1-23 (page 1-34) lists the floor load requirements.
Table 1-23 Floor Load Requirements for Oracle Exadata Database Machine
Description Requirement
Maximum allowable weight of installed rack
equipment
952.5 kg (2100 lbs)
Maximum allowable weight of installed power
distribution units
52.16 kg (115 lbs)
Maximum dynamic load (maximum allowable
weight of installed equipment including PDUs)
1004.66 kg (2215 lbs)
1.4 Electrical Power Requirements
Oracle Exadata Racks can operate effectively over a wide range of voltages and
frequencies. However, they must have a reliable power source. Damage may occur if
the ranges are exceeded. Electrical disturbances such as the following may damage
Oracle Exadata Rack:
• Fluctuations caused by brownouts
• Wide and rapid variations in input voltage levels or in input power frequency
• Electrical storms
• Faults in the distribution system, such as defective wiring
To protect Oracle Exadata Rack from such disturbances, you should have a dedicated
power distribution system, power-conditioning equipment, as well as lightning arresters
or power cables to protect from electrical storms.
1.4.1 PDU Power Requirements
Each rack has two pre-installed power distribution units (PDUs). The PDUs accept
different power sources. You must specify the type of PDU that is correct for your
Oracle Exadata Rack and data center.
Chapter 1
Flooring Requirements
1-34
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