A rack-mountable computer system includes a horizontal divider that divides a chassis interior of the computer system into a first level and a second level. One or more heat-producing components are mounted on the first level and a plurality of heat-producing components are mounted on the second lev
A rack-mountable computer system includes a horizontal divider that divides a chassis interior of the computer system into a first level and a second level. One or more heat-producing components are mounted on the first level and a plurality of heat-producing components are mounted on the second level. The horizontal divider includes one or more openings that allow air flowing in the first level to mix with air flowing in the second level. Combined air including the air flowing in the second level and at least a portion of the air flowing in the first level cool a portion of the plurality of heat-producing components mounted in the second level downstream from the one or more openings in the horizontal divider.
대표청구항▼
1. A system, comprising: a rack; anda plurality of storage systems mounted in the rack, at least one of the storage systems comprising: a chassis comprising an intake end and an exhaust end, wherein cooling air is received into a chassis interior at the intake end and exhausted from the chassis inte
1. A system, comprising: a rack; anda plurality of storage systems mounted in the rack, at least one of the storage systems comprising: a chassis comprising an intake end and an exhaust end, wherein cooling air is received into a chassis interior at the intake end and exhausted from the chassis interior at the exhaust end;a horizontal divider extending from the intake end of the chassis through at least a portion of the chassis interior that at least partially divides the chassis interior into a first level and a second level, wherein the horizontal divider divides cooling air entering the chassis at the intake end into at least one air plenum on the first level that extends from the intake end through at least a portion of the chassis interior and at least one air plenum on the second level that extends from the intake end through at least a portion of the chassis interior;one or more storage device controllers mounted on the first level of the chassis interior in an upstream portion of the chassis interior proximate to the intake end of the chassis;a plurality of storage devices mounted on the second level of the chassis interior;a set of one or more openings prior to the one or more storage device controllers, wherein air entering the chassis flows into the first level via the set of openings, wherein the at least one air plenum of the first level is configured to direct a first level air flow received from the set of openings toward the one or more storage device controllers to cool the one or more storage device controllers; andanother set of one or more openings prior to the plurality of storage devices, wherein air entering the chassis flows into the second level via the other set of openings, wherein the air plenum of the second level is configured to direct a second level air flow received from the other set of openings towards the plurality of storage devices to cool the plurality of storage devices;wherein, the horizontal divider comprises one or more openings configured to mix air flowing in the at least one air plenum of the first level with air flowing in the at least one air plenum of the second level at a location that is downstream from the one or more storage device controllers mounted on the first level of the chassis and upstream from at least a portion of the plurality of storage devices mounted on the second level of the chassis, wherein at least a portion of the first level air flow combines with the second level air flow to cool the at least a portion of the plurality of storage devices mounted on the second level downstream from the one or more openings. 2. The system of claim 1, wherein the horizontal divider is configured such that a cross-sectional area of the first level, perpendicular to a direction of the first level air flow, downstream from the one or more storage device controllers reduces in cross-sectional area in the direction of the first level air flow and a cross-sectional area of the second level, perpendicular to a direction of the second level air flow, downstream from one or more of the plurality of storage devices increases in cross-sectional area in the direction of the second level air flow. 3. The system of claim 1, further comprising one or more data cables configured to connect the one or more storage device controllers to the plurality of storage devices, wherein the one or more cables are routed through at least one of the one or more openings. 4. The system of claim 1, wherein the one or more openings in the horizontal divider are located in the horizontal divider downstream of one or more of the plurality of storage devices so that the first level air flow flowing in the at least one air plenum of the first level bypasses the one or more storage devices before mixing with the second level air flow flowing in the at least one air plenum of the second level and cooling the at least a portion of the plurality of storage devices downstream from the one or more openings. 5. An apparatus, comprising: a chassis comprising an intake end and an exhaust end, wherein cooling air is received into a chassis interior at the intake end and exhausted from the chassis interior at the exhaust end;a horizontal divider extending from the intake end of the chassis through at least a portion of the chassis interior that at least partially divides the chassis interior into two levels, wherein the horizontal divider divides cooling air entering the chassis at the intake end into at least one air plenum that extends from the intake end through at least a portion of the chassis interior on a given level of the chassis interior and at least one air plenum that extends from the intake end through at least a portion of the chassis interior on another level of the chassis interior;one or more heat-producing components mounted on the given level of the chassis interior in an upstream portion of the chassis interior;a plurality of heat-producing components mounted on the other level of the chassis interior;a set of one or more openings prior to the one or more heat producing components mounted on the given level, wherein air entering the chassis flows into the given level via the set of openings, wherein the at least one air plenum of the given level is configured to direct a given level air flow received from the set of openings toward the one or more heat producing components to cool the one or more heat producing components; andanother set of one or more openings prior to the plurality of heat producing components mounted on the other level, wherein air entering the chassis flows into the other level via the other set of openings, wherein the air plenum of the other level is configured to direct an other level air flow received from the other set of openings towards the plurality of heat producing components to cool the plurality of heat producing components;wherein, the horizontal divider comprises one or more openings configured to mix air flowing in the at least one air plenum of the given level with air flowing in the at least one air plenum of the other level at a location that is downstream from the one or more heat-producing components mounted on the given level of the chassis and upstream from at least a portion of the plurality of heat-producing components mounted on the other level of the chassis. 6. The apparatus of claim 5, wherein the horizontal divider is configured such that a cross-sectional area of the other level, perpendicular to the other level air flow, downstream from one or more of the plurality of heat-producing components increases in cross-sectional area in the direction of the other level air flow. 7. The apparatus of claim 5, wherein the one or more heat-producing components mounted on the given level are one or more storage device controllers and the plurality of heat-producing components mounted on the other level are a plurality of storage devices, wherein the apparatus further comprises one or more data cables configured to connect the one or more storage device controllers to the plurality of storage devices, wherein the one or more cables are routed through at least one of the one or more openings in the horizontal divider. 8. The apparatus of claim 7, wherein the horizontal divider further comprises one or more additional openings situated above respective ones of the plurality of storage devices of the other level, wherein the one or more additional openings in the horizontal divider are configured to direct a portion of the given level air flow from the given level to the other level such that the air flow cools the respective ones of the plurality of storage devices. 9. The apparatus of claim 7, wherein the plurality of storage devices of the other level are mounted on a tray configured to at least partially slide out of the chassis interior, wherein respective ones of the plurality of storage devices are configured for hot-plug serviceability while the tray is at least partially slid out of the chassis interior. 10. The apparatus of claim 5, wherein the one or more openings are located in the horizontal divider downstream of a given plurality of the heat-producing components mounted on the other level, so that the given level air flow flowing in the at least one air plenum of the given level bypasses the given plurality of heat-producing components before mixing with the air flowing in the at least one air plenum of the other level. 11. The apparatus of claim 5, wherein the horizontal divider further comprises a vertical barrier at an end of the horizontal divider closest to the exhaust end of the chassis, wherein the vertical barrier at least partially inhibits air flowing in the at least one air plenum of the given level from flowing out the exhaust end of the given level without passing to the other level. 12. The apparatus of claim 5, wherein the set of one or more openings comprises one or more adjustable openings configured to adjust a balance of air flow between the given level and the other level. 13. The apparatus of claim 5, further comprising one or more fans in the chassis interior configured to create a pressure differential between the intake end and the exhaust end to draw air into the given level and the other level through the intake end and to exhaust air out the exhaust end. 14. The apparatus of claim 5, further comprising: one or more power supply units, wherein the power supply units are located in a separate portion of the chassis interior from the given level and other level; anda divider configured to at least partially isolate the separate portion from the given level and the other level to at least partially isolate an airflow in the separate portion for cooling the one or more power supply units from the given airflow of the given level and the other airflow of the other level. 15. A method, comprising: providing a chassis comprising a horizontal divider extending from an intake end of the chassis through at least a portion of a chassis interior of the chassis that at least partially divides the chassis interior of the chassis into a given level and another level, wherein the intake end is configured to receive cooling air into the chassis interior and wherein an exhaust end of the chassis is configured to exhaust air from the chassis interior;receiving air into the given level via a set of one or more openings prior to one or more heat producing components mounted on the given level in an upstream portion of the chassis;directing, via the horizontal divider, the air received into the given level as a given level air flow in at least one air plenum of the given level, wherein the given level air flow cools the one or more heat-producing components mounted on the given level;receiving air into the other level via another set of one or more openings prior to a plurality of heat producing components mounted on the other level;directing, by the horizontal divider, the air received into the other level as an other level air flow in at least one air plenum of the other level, wherein the other level air flow cools the plurality of heat-producing components mounted on the other level; andmixing air flowing in the given level air flow with air flowing in the other level air flow, via one or more openings in the horizontal divider downstream of the one or more heat-producing components mounted on the given level and upstream from at least a portion of the plurality of heat-producing components mounted on the other level, wherein the mixed air flows through at least a portion of the at least one air plenum of the other level to cool a portion of the plurality of heat-producing components mounted on the other level downstream of the one or more openings in the horizontal divider. 16. The method of claim 15, further comprising directing, by the horizontal divider, the given level air flow into the one or more openings, wherein the horizontal divider is configured such that a cross-sectional area of the given level, perpendicular to the given level air flow, downstream from the one or more heat-producing components reduces in cross-sectional area in the direction of the given level air flow towards the exhaust end. 17. The method of claim 15, further comprising adjusting one or more adjustable openings of the set of one or more openings at the intake end of the chassis to change a balance of air flow between the given level and the other level. 18. The method of claim 15, further comprising routing one or more cables through the one or more openings in the horizontal divider to connect the one or more heat-producing components mounted on the given level with respective ones of the plurality of heat-producing components mounted on the other level. 19. The method of claim 18, further comprising directing the given level air flow into one or more additional openings in the horizontal divider, wherein the one or more additional openings are situated above respective ones of the heat-producing components mounted on the other level. 20. The method of claim 15, further comprising, directing a portion of the air received at the intake end of the chassis in a separate portion of the chassis to cool one or more power supply units mounted in the chassis, wherein the separate portion is at least partially isolated from the at least one air plenum of the given level and the at least one air plenum of the other level.
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