System and method for air-cooling hard drives in liquid-cooled server rack
First Claim
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1. A computing system, comprising:
- a rack comprising a container configured to hold liquid coolant;
liquid coolant in the container, wherein the liquid coolant is a dielectric fluid;
one or more nodes mounted in the rack,wherein each of at least one node comprises a frame, one or more motherboard assemblies coupled to the frame, and one or more disk drives,wherein the rack is configured to hold the nodes partially submersed in the liquid coolant such that heat producing components on the one or more motherboard assemblies are submersed in the liquid coolant,wherein at least one of the one or more disk drives is an exposed disk drive substantially above the surface of the liquid coolant; and
one or more fans configured to direct a circulating air to an exposed portion of at least one the of the exposed disk drives.
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Abstract
Embodiments that allow for the air cooling of disk drives associated with liquid cooled nodes are disclosed. A node for performing computing operations includes a frame, a power supply coupled to the |frame|[CB1], and one or more liquid coolant-submersible motherboard assemblies. The one or more motherboard assemblies are configured to operate when submersed in a liquid coolant. The motherboard assemblies are mounted on the frame with one or more spaces between. The spaces form one or more channels between the motherboard assemblies. The frame includes an opening on at least one end of the one or more channels.
133 Citations
24 Claims
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1. A computing system, comprising:
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a rack comprising a container configured to hold liquid coolant; liquid coolant in the container, wherein the liquid coolant is a dielectric fluid; one or more nodes mounted in the rack, wherein each of at least one node comprises a frame, one or more motherboard assemblies coupled to the frame, and one or more disk drives, wherein the rack is configured to hold the nodes partially submersed in the liquid coolant such that heat producing components on the one or more motherboard assemblies are submersed in the liquid coolant, wherein at least one of the one or more disk drives is an exposed disk drive substantially above the surface of the liquid coolant; and one or more fans configured to direct a circulating air to an exposed portion of at least one the of the exposed disk drives. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of cooling rack-mounted nodes, comprising:
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mounting one or more rack-mounted nodes in a container such that a portion of the nodes are submersed in a cooling liquid and at least a portion of at least one of the nodes is exposed above the surface of the cooling liquid; moving at least a portion of the cooling liquid to cool submersed heat producing components of the nodes; and moving air with one or more fans above the surface of the cooling liquid in the container to cool exposed heat producing components of the nodes. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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Specification