Patent ID: 7914366

Claim:
A storage apparatus having in a cabinet, and arranged in one direction, a memory medium housing unit for storing a plurality of memory mediums, a control unit for performing data I/O processing to said memory mediums in response to a data I/O request from an upper-level host system, and a power supply unit for supplying power to said memory medium housing unit and said control unit, comprising: a plurality of cooling areas formed in said cabinet; an external air introduction/discharge device for directing external air to the respective cooling areas, and thereafter discharging said external air from a discharge area of said cabinet outside said cabinet; an external air guidance area for guiding the external air that passed through each of said cooling areas to said discharge area; and a structure of partitioning said external air guidance area into a first area and a second area, wherein said external air guidance area is configured so that said external air that passed through one of said plurality of cooling areas will not get mixed with said external air that passed through another of said plurality of cooling areas, wherein the structure has first and second inclined faces that form a first portion of a bottom surface of the structure, and wherein a second portion of the bottom surface of the structure is formed having a flat, uninclined surface, and wherein the first and second inclined faces of the bottom surface of the structure correspond to a pair of semitriangular cone-shaped concave portions that extend from a center of the bottom surface of the structure to left and rights sides of the structure, respectively.