| 摘要 |
A disk array system capable of efficiently cooling the canisters and achieving the high-density mounting of the canisters without reducing the number of canisters is provided. In the disk array system having a HDD box which stores a plurality of canisters, a canister on an upstream side of cooling air and a canister on a downstream side of the cooling air both standing upright are arranged with a difference in level therebetween in the HDD box. The canister on the upstream side has a reliability assurance temperature lower than that on the downstream side, and a disk size of the canister on the upstream side is smaller than that on the downstream side. Also, the canister on the downstream side is arranged higher than that on the upstream side so that an alarm indicator LED and a ready indicator LED can be checked visually.
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