VERITAS Velocity 7330 Hardware Installation Manual page 24

Use the following best practices when determining the rack location for the appliance:
Be sure to use complete RUs for the appliance. Do not use holes that span
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different RUs when you install the rails.
The storage shelves are much heavier than the compute node and should be
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installed as close to the bottom of the rack as possible.
The compute node should always be installed above the Primary Storage Shelf.
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Do not leave any spaces between the compute node and the storage shelf.
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Preinstallation requirements
Determining the rack location
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