Hitachi E590 Hardware Reference Manual page 32

To verify there is sufficient space for the storage system, document your site's floor plan,
including the locations of:
Structural support columns and other immovable objects
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Walls
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All existing equipment, cabinets, racks, networking equipment, and other systems
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Where the new storage system will be installed
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Floor and electrical cutouts
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Interconnecting cables and power cords, including lengths
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Floor vents
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The space requirements must take into consideration the total floor clearance required for the
storage system. This includes:
The space required by the equipment
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Service clearance - the floor space required to access the storage system.
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Additional space required to distribute the equipment weight on your computer room's
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raised floor. The amount of additional space required depends on your floor load rating.
Additional space required to view the storage system LEDs on the front and rear panels.
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Hitachi Virtual Storage Platform E590 and E790 Hardware Reference Guide
Chapter 5: Site preparation
Floor cutout and service clearance
32