US20150073606A1 - Cooling system management for server facility - Google Patents
Cooling system management for server facility Download PDFInfo
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- US20150073606A1 US20150073606A1 US14/023,367 US201314023367A US2015073606A1 US 20150073606 A1 US20150073606 A1 US 20150073606A1 US 201314023367 A US201314023367 A US 201314023367A US 2015073606 A1 US2015073606 A1 US 2015073606A1
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- Prior art keywords
- zone
- air
- temperature
- servers
- external environment
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20745—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
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- F24F11/0086—
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20836—Thermal management, e.g. server temperature control
Definitions
- a server facility may include a collection of computer systems consisting of primary and backup servers.
- a server facility may also include environmental controls and security devices to protect the data housed within the systems of the server facility.
- the servers are generally stored within a rack. In one rack there may be a multitude of servers and a server facility may have a large quantity of racks.
- Each server has a specific heat output based on the amount of power the server consumes, therefore a cooling system within the server facility may be critical to the maintenance and function of these servers.
- Common characteristics of traditional cooling approaches may include perimeter cooling, where Computer Room Air Conditioning (CRAC) units are placed on the outer perimeter of the racks, and a raised floor, where cold air is delivered to the racks via a plenum under the floor.
- CRAC Computer Room Air Conditioning
- the systems of traditional cooling approaches may waste a significant amount of energy due to hot air generated by the servers mixing with the cold air delivered to the racks, causing the CRAC units to consume more energy to cool the air to lower temperatures to compensate for the mixing.
- Embodiments are directed to a method and a temperature management system to manage a cooling system in a server facility.
- a Computer Room Air Handler (CRAH) Unit may condition and provide cooling air to a first zone.
- a second zone may collect return air from the first zone, where multiple servers may be positioned between the first zone and the second zone such that heated air by the servers may be pushed into the second zone enabling air collection.
- the first zone may be bound from the second zone by one or more racks housing the servers and insulating materials in an area between each server to prevent the cooling air in the first zone from mixing with the return air in the second zone.
- a third zone representing a remaining area of the server facility, may be maintained at a predefined temperature, where the temperature may be higher than a temperature of the first zone and lower than a temperature of the second zone.
- FIG. 1 includes a conceptual diagram illustrating an example temperature management system in a server facility, where embodiments may be implemented;
- FIG. 2 illustrates in greater detail a first zone and a second zone of an example temperature management system in a server facility
- FIG. 3 includes a conceptual diagram illustrating an alternate embodiment for a temperature management system in a server facility
- FIG. 4 illustrates a system to manage a cooling system in a server facility
- FIG. 5 is a block diagram of an example computing operating environment, where embodiments may be implemented.
- FIG. 6 illustrates a logic flow diagram of a method to manage a cooling system in a server facility, according to embodiments.
- a Computer Room Air Handler (CRAH) Unit may condition and provide cooling air to a first zone.
- a second zone may collect return air from the first zone, where multiple servers may be positioned between the first zone and the second zone such that heated air by the servers may be pushed into the second zone enabling collection.
- the first zone may be bound from the second zone by one or more racks housing the servers and insulating materials in an area between each server to prevent cooling air in the first zone from mixing with return air in the second zone.
- program modules include routines, programs, components, data structures, and other types of structures that perform particular tasks or implement particular abstract data types.
- embodiments may be practiced with other computer system configurations, including hand-held devices, multiprocessor systems, microprocessor-based or programmable consumer electronics, minicomputers, mainframe computers, and comparable computing devices.
- Embodiments may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network.
- program modules may be located in both local and remote memory storage devices.
- Some embodiments may be implemented as a computer-implemented process (method), a computing system, or as an article of manufacture, such as a computer program product or computer readable media.
- the computer program product may be a computer storage medium readable by a computer system and encoding a computer program that comprises instructions for causing a computer or computing system to perform example process(es).
- the computer-readable storage medium is a computer-readable memory device.
- the computer-readable storage medium can for example be implemented via one or more of a volatile computer memory, a non-volatile memory, a hard drive, a flash drive, a floppy disk, or a compact disk, and comparable hardware media.
- platform may be a combination of software and hardware components for operating an air cooling management system. Examples of platforms include, but are not limited to, a hosted service executed over a plurality of servers, an application executed on a single computing device, and comparable systems.
- server generally refers to a computing device executing one or more software programs typically in a networked environment. However, a server may also be implemented as a virtual server (software programs) executed on one or more computing devices viewed as a server on the network. More detail on these technologies and example operations is provided below.
- FIG. 1 includes a conceptual diagram illustrating an example temperature management system in a server facility, where embodiments may be implemented.
- the system may include a first zone 102 , a second zone 108 , a third zone 114 , and a Computer Room Air Handler (CRAH) unit 110 .
- Multiple servers 106 may be positioned in one or more racks 104 that form a boundary 105 between the first zone 102 and the second zone 108 .
- the first zone may be in contact with front ends of multiple servers and the second zone may be in contact with back ends of the servers.
- the CRAH may be configured to provide cooling air 103 to the first zone, and as the CRAH unit 110 provides the cooling air 103 to the first zone 102 , the servers 106 may take in the cooling air 103 through the front ends of the servers and circulate the cooling air within the servers. As the cooling air circulates within the servers, the air may be heated and pushed through the back ends of the servers into the second zone 108 , where the second zone 108 may collect the heated air, or return air 107 .
- the first zone 102 may be shaped substantially as a corridor with one or more racks forming opposing walls, and may be insulated with insulating materials to prevent the cooling air 103 in the first zone 102 from mixing with the return air 107 in the second zone 108 .
- a ceiling of the first zone 102 and an area between each server in the one or more racks 104 at the boundary 105 of the first zone 102 and the second zone 108 may be insulated with the insulating materials.
- a temperature monitoring system coupled to a management controller, may measure the air temperature of each zone and an external environment.
- the temperature monitoring system may compare the temperature of the return air 107 in the second zone 108 to the temperature of air in the external environment. If air in the external environment is higher in temperature than the return air 107 in the second zone 108 , the management controller may provide instructions to a switch 116 to provide the return air 107 in the second zone 108 to the CRAH unit 110 . In an alternate embodiment, if air in the external environment is lower in temperature than the return air in the second zone, the management controller may provide instructions to the switch to expel the return air into the external environment and take in air from the external environment to provide to the CRAH unit.
- the CRAH unit 110 may then condition the cooling air 103 to be provided to the first zone 102 using one or more of cooling coils and chilled water.
- the third zone 114 may represent a remaining area of the server facility.
- the third zone 114 may be maintained at a predefined temperature, where the temperature may be higher than a temperature of the first zone 102 and lower than a temperature of the second zone 108 .
- the third zone 114 may include tire suppression, security, and/or monitoring systems.
- the large amount of power consumed by the servers, particularly in server facilities with a substantial amount of racks, may present a serious risk of fire due to the consequential heat output.
- the cooling system may serve as a preventative method to reduce the risk of fire
- a fire suppression system may be essential.
- a fire suppression system may include one or more heat sensors and/or wiring for detection, and a combination of dry chemicals and/or wet agents, such as a sprinkler system, to extinguish a fire.
- An additional risk associated with a server facility is one of security.
- Some or all of the servers may store confidential or sensitive data, such as corporate data, financial data, or medical data that may be irreplaceable and may be detrimental if disclosed to an unauthorized party.
- Security systems such as cameras and alarms, may be implemented to ensure the containment of the data. Cameras may further be useful in manual detection of fire, in case of a malfunction of the fire suppression system.
- Monitoring systems may also be present in the third zone 114 , such as the temperature monitoring system discussed above.
- FIG. 1 has been described with specific components, tasks of components, and arrangements of components. Embodiments are not limited to the system according to this example configuration.
- a temperature management system in a server facility may be implemented in configurations employing fewer or additional components, and performing other tasks.
- temperature management systems in other facilities may be implemented in a similar manner using the principles described herein.
- FIG. 2 illustrates in greater detail a first zone and a second zone of an example temperature management system in a server facility.
- the temperature management system may include multiple servers 206 positioned in one or more racks 204 that form a boundary 205 between a first zone 202 and a second zone 208 .
- the first zone 202 may be in contact with front ends of the servers, and the second zone 208 may be in contact with back ends of the servers.
- the system may also include a third zone 214 which may be maintained at a predefined temperature, where the temperature is higher than a temperature of the first zone 202 and lower than a temperature of the second zone 208 .
- the servers 206 may take in the cooling air 103 through a first fan 210 in the front ends of the servers and circulate the cooling air within the servers. As the cooling air circulates within the servers, the air may become heated as a result of the servers' heat output. The servers 206 may push the heated air through a second fan 212 in the back ends of the servers into the second zone 208 , where the second zone 208 may collect the heated air, or return air 207 .
- the first zone 202 may be shaped substantially as a corridor with one or more racks forming opposing walls, and may be insulated with insulating materials to prevent the cooling air 203 in the first zone 202 from mixing with the return air 207 in the second zone 208 .
- a ceiling of the first zone 202 and an area between each server in the one or more racks 204 at the boundary 205 of the first zone 202 and the second zone 208 may be insulated with the insulating materials.
- the insulating materials may be selected based on local, state, and federal regulations as well as industry standards. For example, regulations and industry standards may mandate use of materials with particular properties or materials of particular quality to ensure safety and efficiency.
- the insulating materials may be further selected based on fire suppression and security capabilities.
- a transparent material may be used to insulate the first zone, enabling a security system to monitor the servers for intrusion or to easily detect a fire.
- aluminum may be used in a structural frame of the first zone due to the metal's fire suppression capabilities.
- Insulating the first zone 202 may reduce energy consumption rates of the server facility.
- a Computer Room Air Handler (CRAH) unit may consume less energy conditioning the cooling air to an appropriate temperature to provide to the first zone 202 .
- the temperature of the cooling air may be in a range from about 50° F. to 75° F.
- the CRAH unit may provide air to a cooling area, analogous to the first zone 202 , at a temperature of about 68° F. to compensate for the air temperature being raised as the air mixes with higher temperature air from other areas of the facility within the cooling area.
- the CRAH unit may provide cooling air 203 to the first zone 202 at a temperature of only 78° F. as there is no need to compensate for mixing of the cooling air 203 with higher temperature air, such as the return air 207 in the second zone 208 and air in the third zone 214 .
- the ten degree difference in temperature may amount to a significant reduction in energy consumption, and consequently, a significant reduction in energy costs.
- a conceptual diagram 300 illustrates an alternate embodiment for a temperature management system in a server facility.
- a temperature monitoring system coupled to a management controller, may measure the air temperature in each zone and an air temperature in an external environment 312 .
- the temperature monitoring system may compare the air temperature in the external environment 312 to the temperature of return air 307 in a second zone 308 .
- the management controller may communicate with a switch 302 to provide instructions dependent on the air temperature comparison.
- air in the external environment 312 may be lower in temperature than the return air 107 in the second zone 108 .
- the management controller may provide instructions to the switch 302 to expel the return air 307 into the external environment 312 via an output pipe 304 and take in air 311 from the external environment 312 via an intake pipe 306 .
- the air 311 from the external environment 312 may then be provided to the CRAH unit 110 .
- air in the external environment 312 may be higher in temperature than the return air 307 in the second zone 308 .
- the management controller may provide instructions to the switch 302 to provide the return air 307 in the second zone 308 to the CRAH unit 310 .
- FIG. 4 illustrates a system to manage a cooling system in a server facility.
- System 400 may include a management controller 410 , a first zone 412 , a second zone 414 , a Computer Room Air Handler (CRAH) unit 416 , an external environment 418 , and a third zone 420 .
- the management controller 410 may be operated by human control, or may be directed by a remote controller 402 via network 404 .
- Data associated with controlling the different processes of managing a cooling system may be stored at and/or received from data stores 430 .
- Servers may be positioned in one or more racks that form a boundary between the first zone 412 and the second zone 414 .
- the first zone 412 may be in contact with front ends of the servers, enabling the servers to take in cooling air through a first fan in the front ends of the server as the cooling air is provided to the first zone 412 .
- the servers may circulate the cooling air within the servers and push heated return air through a second fan in the back ends of the servers, where the second zone 414 may be in contact with the back ends of the servers to collect the return air.
- Return air in the second zone 414 may be provided to the CRAH unit 416 or alternately may be expelled to the external environment 418 .
- the management controller 410 may be coupled to a temperature monitoring system of the server facility and may communicate with a switch to provide instructions based on measurements and comparisons made by the temperature monitoring system.
- the temperature monitoring system may measure and compare the temperature of the return air in the second zone 414 to the air temperature in an external environment 418 . If air in the external environment 312 is a higher temperature than the return air in the second zone 414 , the management controller may provide instructions to the switch to provide the return air from the second zone 414 to the CRAH unit 416 .
- the management controller may provide instructions to the switch to expel the return air into the external environment 418 . Further instructions may be provided to the switch to take in air from the external environment 418 . The air from the external environment 418 may then be provided to the CRAH unit 416 .
- the CRAH unit 416 may then condition cooling air using one or more of cooling coils and chilled water. Once the air is sufficiently conditioned, the cooling air may be provided to the first zone 412 .
- the third zone 420 may represent a remaining area of the server facility and be maintained at a predefined temperature, where the temperature may be higher than a temperature of the first zone 412 and lower than a temperature of the second zone 414 .
- the third zone 420 may include fire suppression, security, and/or monitoring systems controlled by the management controller 410 .
- FIG. 1 through 4 have been described with specific systems including components, tasks of components, and arrangement of components. Embodiments are not limited to systems according to these example configurations. Management of a cooling system in a server facility may be implemented in configurations using other types of systems including components, tasks of components, and arrangement of components in a similar manner using the principles described herein.
- FIG. 5 and the associated discussion are intended to provide a brief general description of a suitable computing environment in which embodiments may be implemented.
- computing device 500 may be any portable computing device with wireless communication capabilities, which may include touch and/or gesture detection capability in some examples, and include at least one processing unit 502 and system memory 504 .
- Computing device 500 may also include multiple processing units that cooperate in executing programs.
- the system memory 504 may be volatile (such as RAM), non-volatile (such as ROM, flash memory, etc.) or some combination of the two.
- System memory 504 typically includes an operating system 505 suitable for controlling the operation of the platform, such as the WINDOWS®, WINDOWS MOBILE®, or WINDOWS PHONE® operating systems from MICROSOFT CORPORATION of Redmond, Wash.
- the system memory 504 may also include one or more software applications such as a management controller application 522 , and a switch module 524 .
- Management controller Application 522 coupled to a temperature monitoring system, may communicate with the switch module 524 to provide instructions, the instructions dependent upon measurements and comparisons made by the temperature monitoring system.
- the temperature monitoring system may measure an air temperature for each zone in the server facility and an air temperature of an external environment, and may compare the air temperature of a second zone to an air temperature of the external environment.
- the management controller application 522 may provide instructions to the switch module 524 to provide the return air to the CRAH unit.
- the management controller application 522 may provide instructions to the switch module 524 to expel the return air to the external environment.
- the management controller application 522 may further provide instructions to the switch module 524 to take in air from the external environment and provide the air from the external environment to a CRAH unit.
- Management controller application 522 and switch module 524 may be separate applications or integrated modules of a hosted service. This basic configuration is illustrated in FIG. 5 by those components within dashed line 508 .
- Computing device 500 may have additional features or functionality.
- the computing device 500 may also include additional data storage devices (removable and/or non-removable) such as, for example, magnetic disks, optical disks, or tape.
- additional storage is illustrated in FIG. 5 by removable storage 509 and non-removable storage 510 .
- Computer readable storage media may include volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information, such as computer readable instructions, data structures, program modules, or other data.
- System memory 504 , removable storage 509 and non-removable storage 510 are all examples of computer readable storage media.
- Computer readable storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by computing device 500 . Any such computer readable storage media may be part of computing device 500 .
- Computing device 500 may also have input device(s) 512 such as keyboard, mouse, pen, voice input device, touch input device, an optical capture device for detecting gestures, and comparable input devices.
- Output device(s) 514 such as a display, speakers, printer, and other types of output devices may also be included. These devices are well known in the art and need not be discussed at length here.
- Some embodiments may be implemented in a computing device that includes a communication module, a memory device, and a processor, where the processor executes a method as described above or comparable ones in conjunction with instructions stored in the memory device.
- Other embodiments may be implemented as a computer readable memory device with instructions stored thereon for executing a method as described above or similar ones. Examples of memory devices as various implementations of hardware are discussed above.
- Computing device 500 may also contain communication connections 516 that allow the device to communicate with other devices 518 , such as over a wired or wireless network in a distributed computing environment, a satellite link, a cellular link, a short range network, and comparable mechanisms.
- Other devices 518 may include computer device(s) that execute communication applications, web servers, and comparable devices.
- Communication connection(s) 516 is one example of communication media.
- Communication media can include therein computer readable instructions, data structures, program modules, or other data.
- communication media includes wired media such as a wired network or direct-wired connection, and wireless media such as acoustic, RF, infrared and other wireless media.
- Example embodiments also include methods. These methods can be implemented in any number of ways, including the structures described in this document. One such way is by machine operations, of devices of the type described in this document.
- Another optional way is for one or more of the individual operations of the methods to be performed in conjunction with one or more human operators performing some. These human operators need not be collocated with each other, but each can be only with a machine that performs a portion of the program.
- FIG. 6 illustrates a logic flow diagram for process 600 of a method to manage a cooling system in a server facility according to embodiments.
- Process 600 may be implemented on a server or other system.
- Process 600 begins with operation 610 , where cooling air may be provided to a first zone.
- the first zone may be bounded from a second zone by one or more racks housing multiple servers and insulating materials between each server within the one or more racks at the boundary between the first zone and the second zone.
- the first zone may be in contact with front ends of the servers, enabling the servers to take in the cooling air provided to the first zone and circulate the cooling air within the servers.
- the servers may heat the air and push return air into a second zone.
- the heated return air may be collected in the second zone.
- the return air in the second zone may be provided to a CRAH unit in response to determination that air in an external environment is a higher temperature than the return air in the second zone.
- the return air may alternately be expelled into the external environment or re-directed to another space that may need to be warmed up, in response to determination that air in the external environment is a lower temperature than return air in the second zone. Air in the external environment may then be taken in and provided to the CRAH unit.
- the CRAH unit may condition the cooling air using one or more of cooling coils and chilled water.
- the CRAH unit may provide the cooling air to the first zone.
- process 600 The operations included in process 600 are for illustration purposes. Management of a cooling system in a server facility may be implemented by similar processes with fewer or additional steps, as well as in different order of operations using the principles described herein.
Abstract
Description
- A server facility may include a collection of computer systems consisting of primary and backup servers. A server facility may also include environmental controls and security devices to protect the data housed within the systems of the server facility. The servers are generally stored within a rack. In one rack there may be a multitude of servers and a server facility may have a large quantity of racks.
- Each server has a specific heat output based on the amount of power the server consumes, therefore a cooling system within the server facility may be critical to the maintenance and function of these servers. Common characteristics of traditional cooling approaches may include perimeter cooling, where Computer Room Air Conditioning (CRAC) units are placed on the outer perimeter of the racks, and a raised floor, where cold air is delivered to the racks via a plenum under the floor. The systems of traditional cooling approaches may waste a significant amount of energy due to hot air generated by the servers mixing with the cold air delivered to the racks, causing the CRAC units to consume more energy to cool the air to lower temperatures to compensate for the mixing.
- As more enterprises start using practical servers and sharp edge servers within their server facilities, an increase in the quantity of power consumed per server may result in an overall increased heat output within the server facilities. With higher energy costs and increased energy consumption rates, more efficient cooling systems may need to be implemented within server facilities.
- This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the Detailed Description. This summary is not intended to exclusively identity key features or essential features of the claimed subject matter, nor is it intended as an aid in determining the scope of the claimed subject matter.
- Embodiments are directed to a method and a temperature management system to manage a cooling system in a server facility. According to some embodiments, a Computer Room Air Handler (CRAH) Unit may condition and provide cooling air to a first zone. A second zone may collect return air from the first zone, where multiple servers may be positioned between the first zone and the second zone such that heated air by the servers may be pushed into the second zone enabling air collection. The first zone may be bound from the second zone by one or more racks housing the servers and insulating materials in an area between each server to prevent the cooling air in the first zone from mixing with the return air in the second zone. According to other embodiments, a third zone, representing a remaining area of the server facility, may be maintained at a predefined temperature, where the temperature may be higher than a temperature of the first zone and lower than a temperature of the second zone.
- These and other features and advantages will be apparent from a reading of the following detailed description and a review of the associated drawings. It is to be understood that both the foregoing general description and the following detailed description are explanatory and do not restrict aspects as claimed.
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FIG. 1 includes a conceptual diagram illustrating an example temperature management system in a server facility, where embodiments may be implemented; -
FIG. 2 illustrates in greater detail a first zone and a second zone of an example temperature management system in a server facility; -
FIG. 3 includes a conceptual diagram illustrating an alternate embodiment for a temperature management system in a server facility; -
FIG. 4 illustrates a system to manage a cooling system in a server facility; -
FIG. 5 is a block diagram of an example computing operating environment, where embodiments may be implemented; and -
FIG. 6 illustrates a logic flow diagram of a method to manage a cooling system in a server facility, according to embodiments. - As briefly described above, a Computer Room Air Handler (CRAH) Unit may condition and provide cooling air to a first zone. A second zone may collect return air from the first zone, where multiple servers may be positioned between the first zone and the second zone such that heated air by the servers may be pushed into the second zone enabling collection. The first zone may be bound from the second zone by one or more racks housing the servers and insulating materials in an area between each server to prevent cooling air in the first zone from mixing with return air in the second zone.
- In the following detailed description, references are made to the accompanying drawings that form a part hereof, and in which are shown by way of illustrations specific embodiments or examples. These aspects may be combined, other aspects may be utilized, and structural changes may be made without departing from the spirit or scope of the present disclosure. The following detailed description is therefore not to be taken in a limiting sense, and the scope of the present invention is defined by the appended claims and their equivalents.
- While some embodiments will be described in the general context of program modules that execute in conjunction with an application program that runs on an operating system on a personal computer, those skilled in the art will recognize that aspects may also be implemented in combination with other program modules.
- Generally, program modules include routines, programs, components, data structures, and other types of structures that perform particular tasks or implement particular abstract data types. Moreover, those skilled in the art will appreciate that embodiments may be practiced with other computer system configurations, including hand-held devices, multiprocessor systems, microprocessor-based or programmable consumer electronics, minicomputers, mainframe computers, and comparable computing devices. Embodiments may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote memory storage devices.
- Some embodiments may be implemented as a computer-implemented process (method), a computing system, or as an article of manufacture, such as a computer program product or computer readable media. The computer program product may be a computer storage medium readable by a computer system and encoding a computer program that comprises instructions for causing a computer or computing system to perform example process(es). The computer-readable storage medium is a computer-readable memory device. The computer-readable storage medium can for example be implemented via one or more of a volatile computer memory, a non-volatile memory, a hard drive, a flash drive, a floppy disk, or a compact disk, and comparable hardware media.
- Throughout this specification, the term “platform” may be a combination of software and hardware components for operating an air cooling management system. Examples of platforms include, but are not limited to, a hosted service executed over a plurality of servers, an application executed on a single computing device, and comparable systems. The term “server” generally refers to a computing device executing one or more software programs typically in a networked environment. However, a server may also be implemented as a virtual server (software programs) executed on one or more computing devices viewed as a server on the network. More detail on these technologies and example operations is provided below.
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FIG. 1 includes a conceptual diagram illustrating an example temperature management system in a server facility, where embodiments may be implemented. As illustrated in diagram 1, the system may include afirst zone 102, asecond zone 108, athird zone 114, and a Computer Room Air Handler (CRAH)unit 110.Multiple servers 106 may be positioned in one ormore racks 104 that form aboundary 105 between thefirst zone 102 and thesecond zone 108. The first zone may be in contact with front ends of multiple servers and the second zone may be in contact with back ends of the servers. - The CRAH may be configured to provide
cooling air 103 to the first zone, and as theCRAH unit 110 provides thecooling air 103 to thefirst zone 102, theservers 106 may take in thecooling air 103 through the front ends of the servers and circulate the cooling air within the servers. As the cooling air circulates within the servers, the air may be heated and pushed through the back ends of the servers into thesecond zone 108, where thesecond zone 108 may collect the heated air, or returnair 107. Thefirst zone 102 may be shaped substantially as a corridor with one or more racks forming opposing walls, and may be insulated with insulating materials to prevent thecooling air 103 in thefirst zone 102 from mixing with thereturn air 107 in thesecond zone 108. A ceiling of thefirst zone 102 and an area between each server in the one ormore racks 104 at theboundary 105 of thefirst zone 102 and thesecond zone 108 may be insulated with the insulating materials. - A temperature monitoring system, coupled to a management controller, may measure the air temperature of each zone and an external environment. The temperature monitoring system may compare the temperature of the
return air 107 in thesecond zone 108 to the temperature of air in the external environment. If air in the external environment is higher in temperature than thereturn air 107 in thesecond zone 108, the management controller may provide instructions to aswitch 116 to provide thereturn air 107 in thesecond zone 108 to theCRAH unit 110. In an alternate embodiment, if air in the external environment is lower in temperature than the return air in the second zone, the management controller may provide instructions to the switch to expel the return air into the external environment and take in air from the external environment to provide to the CRAH unit. - The
CRAH unit 110 may then condition thecooling air 103 to be provided to thefirst zone 102 using one or more of cooling coils and chilled water. Thethird zone 114 may represent a remaining area of the server facility. Thethird zone 114 may be maintained at a predefined temperature, where the temperature may be higher than a temperature of thefirst zone 102 and lower than a temperature of thesecond zone 108. - The
third zone 114 may include tire suppression, security, and/or monitoring systems. The large amount of power consumed by the servers, particularly in server facilities with a substantial amount of racks, may present a serious risk of fire due to the consequential heat output. While the cooling system may serve as a preventative method to reduce the risk of fire, a fire suppression system may be essential. A fire suppression system may include one or more heat sensors and/or wiring for detection, and a combination of dry chemicals and/or wet agents, such as a sprinkler system, to extinguish a fire. - An additional risk associated with a server facility is one of security. Some or all of the servers may store confidential or sensitive data, such as corporate data, financial data, or medical data that may be irreplaceable and may be detrimental if disclosed to an unauthorized party. Security systems, such as cameras and alarms, may be implemented to ensure the containment of the data. Cameras may further be useful in manual detection of fire, in case of a malfunction of the fire suppression system. Monitoring systems may also be present in the
third zone 114, such as the temperature monitoring system discussed above. - The example system in
FIG. 1 has been described with specific components, tasks of components, and arrangements of components. Embodiments are not limited to the system according to this example configuration. A temperature management system in a server facility may be implemented in configurations employing fewer or additional components, and performing other tasks. Furthermore, temperature management systems in other facilities may be implemented in a similar manner using the principles described herein. -
FIG. 2 illustrates in greater detail a first zone and a second zone of an example temperature management system in a server facility. As discussed inFIG. 1 , the temperature management system may includemultiple servers 206 positioned in one ormore racks 204 that form aboundary 205 between afirst zone 202 and asecond zone 208. Thefirst zone 202 may be in contact with front ends of the servers, and thesecond zone 208 may be in contact with back ends of the servers. The system may also include athird zone 214 which may be maintained at a predefined temperature, where the temperature is higher than a temperature of thefirst zone 202 and lower than a temperature of thesecond zone 208. - As cooling
air 203 is provided to thefirst zone 202, theservers 206 may take in the coolingair 103 through afirst fan 210 in the front ends of the servers and circulate the cooling air within the servers. As the cooling air circulates within the servers, the air may become heated as a result of the servers' heat output. Theservers 206 may push the heated air through asecond fan 212 in the back ends of the servers into thesecond zone 208, where thesecond zone 208 may collect the heated air, or returnair 207. - As previously discussed, the
first zone 202 may be shaped substantially as a corridor with one or more racks forming opposing walls, and may be insulated with insulating materials to prevent the coolingair 203 in thefirst zone 202 from mixing with thereturn air 207 in thesecond zone 208. A ceiling of thefirst zone 202 and an area between each server in the one ormore racks 204 at theboundary 205 of thefirst zone 202 and thesecond zone 208 may be insulated with the insulating materials. The insulating materials may be selected based on local, state, and federal regulations as well as industry standards. For example, regulations and industry standards may mandate use of materials with particular properties or materials of particular quality to ensure safety and efficiency. The insulating materials may be further selected based on fire suppression and security capabilities. For example, a transparent material may be used to insulate the first zone, enabling a security system to monitor the servers for intrusion or to easily detect a fire. In another example, aluminum may be used in a structural frame of the first zone due to the metal's fire suppression capabilities. - Insulating the
first zone 202 may reduce energy consumption rates of the server facility. By preventing the mixture of coolingair 203 with higher temperature air, such as thereturn air 207 and air in the third zone, a Computer Room Air Handler (CRAH) unit may consume less energy conditioning the cooling air to an appropriate temperature to provide to thefirst zone 202. The temperature of the cooling air may be in a range from about 50° F. to 75° F. - For example, employing current solutions, the CRAH unit may provide air to a cooling area, analogous to the
first zone 202, at a temperature of about 68° F. to compensate for the air temperature being raised as the air mixes with higher temperature air from other areas of the facility within the cooling area. In contrast, employing the proposed solution, the CRAH unit may providecooling air 203 to thefirst zone 202 at a temperature of only 78° F. as there is no need to compensate for mixing of the coolingair 203 with higher temperature air, such as thereturn air 207 in thesecond zone 208 and air in thethird zone 214. The ten degree difference in temperature may amount to a significant reduction in energy consumption, and consequently, a significant reduction in energy costs. - Referring to
FIG. 3 , a conceptual diagram 300 illustrates an alternate embodiment for a temperature management system in a server facility. A temperature monitoring system, coupled to a management controller, may measure the air temperature in each zone and an air temperature in anexternal environment 312. The temperature monitoring system may compare the air temperature in theexternal environment 312 to the temperature ofreturn air 307 in a second zone 308. In response, the management controller may communicate with aswitch 302 to provide instructions dependent on the air temperature comparison. - In a first scenario, air in the
external environment 312 may be lower in temperature than thereturn air 107 in thesecond zone 108. In response, the management controller may provide instructions to theswitch 302 to expel thereturn air 307 into theexternal environment 312 via anoutput pipe 304 and take inair 311 from theexternal environment 312 via anintake pipe 306. Theair 311 from theexternal environment 312 may then be provided to theCRAH unit 110. - In a second scenario, air in the
external environment 312 may be higher in temperature than thereturn air 307 in the second zone 308. The management controller may provide instructions to theswitch 302 to provide thereturn air 307 in the second zone 308 to theCRAH unit 310. -
FIG. 4 illustrates a system to manage a cooling system in a server facility.System 400 may include amanagement controller 410, afirst zone 412, asecond zone 414, a Computer Room Air Handler (CRAH)unit 416, anexternal environment 418, and athird zone 420. Themanagement controller 410 may be operated by human control, or may be directed by aremote controller 402 vianetwork 404. Data associated with controlling the different processes of managing a cooling system may be stored at and/or received fromdata stores 430. - Servers may be positioned in one or more racks that form a boundary between the
first zone 412 and thesecond zone 414. Thefirst zone 412 may be in contact with front ends of the servers, enabling the servers to take in cooling air through a first fan in the front ends of the server as the cooling air is provided to thefirst zone 412. The servers may circulate the cooling air within the servers and push heated return air through a second fan in the back ends of the servers, where thesecond zone 414 may be in contact with the back ends of the servers to collect the return air. - Return air in the
second zone 414 may be provided to theCRAH unit 416 or alternately may be expelled to theexternal environment 418. Themanagement controller 410 may be coupled to a temperature monitoring system of the server facility and may communicate with a switch to provide instructions based on measurements and comparisons made by the temperature monitoring system. The temperature monitoring system may measure and compare the temperature of the return air in thesecond zone 414 to the air temperature in anexternal environment 418. If air in theexternal environment 312 is a higher temperature than the return air in thesecond zone 414, the management controller may provide instructions to the switch to provide the return air from thesecond zone 414 to theCRAH unit 416. Alternately, if air in theexternal environment 418 is lower in temperature than the return air in thesecond zone 414, the management controller may provide instructions to the switch to expel the return air into theexternal environment 418. Further instructions may be provided to the switch to take in air from theexternal environment 418. The air from theexternal environment 418 may then be provided to theCRAH unit 416. - The
CRAH unit 416 may then condition cooling air using one or more of cooling coils and chilled water. Once the air is sufficiently conditioned, the cooling air may be provided to thefirst zone 412. - The
third zone 420 may represent a remaining area of the server facility and be maintained at a predefined temperature, where the temperature may be higher than a temperature of thefirst zone 412 and lower than a temperature of thesecond zone 414. Thethird zone 420 may include fire suppression, security, and/or monitoring systems controlled by themanagement controller 410. - The examples in
FIG. 1 through 4 have been described with specific systems including components, tasks of components, and arrangement of components. Embodiments are not limited to systems according to these example configurations. Management of a cooling system in a server facility may be implemented in configurations using other types of systems including components, tasks of components, and arrangement of components in a similar manner using the principles described herein. -
FIG. 5 and the associated discussion are intended to provide a brief general description of a suitable computing environment in which embodiments may be implemented. With reference toFIG. 5 , a block diagram of an example computing operating environment for an application according to embodiments is illustrated, such ascomputing device 500. In a basic configuration,computing device 500 may be any portable computing device with wireless communication capabilities, which may include touch and/or gesture detection capability in some examples, and include at least oneprocessing unit 502 andsystem memory 504.Computing device 500 may also include multiple processing units that cooperate in executing programs. Depending on the exact configuration and type of computing device, thesystem memory 504 may be volatile (such as RAM), non-volatile (such as ROM, flash memory, etc.) or some combination of the two.System memory 504 typically includes anoperating system 505 suitable for controlling the operation of the platform, such as the WINDOWS®, WINDOWS MOBILE®, or WINDOWS PHONE® operating systems from MICROSOFT CORPORATION of Redmond, Wash. Thesystem memory 504 may also include one or more software applications such as amanagement controller application 522, and aswitch module 524. -
Management controller Application 522, coupled to a temperature monitoring system, may communicate with theswitch module 524 to provide instructions, the instructions dependent upon measurements and comparisons made by the temperature monitoring system. The temperature monitoring system may measure an air temperature for each zone in the server facility and an air temperature of an external environment, and may compare the air temperature of a second zone to an air temperature of the external environment. In response to determination that air in the external environment is a higher temperature than return air in the second zone, themanagement controller application 522 may provide instructions to theswitch module 524 to provide the return air to the CRAH unit. Alternately, in response to determination that air in the external environment is a lower temperature than return air in the second zone, themanagement controller application 522 may provide instructions to theswitch module 524 to expel the return air to the external environment. Themanagement controller application 522 may further provide instructions to theswitch module 524 to take in air from the external environment and provide the air from the external environment to a CRAH unit.Management controller application 522 andswitch module 524 may be separate applications or integrated modules of a hosted service. This basic configuration is illustrated inFIG. 5 by those components within dashedline 508. -
Computing device 500 may have additional features or functionality. For example, thecomputing device 500 may also include additional data storage devices (removable and/or non-removable) such as, for example, magnetic disks, optical disks, or tape. Such additional storage is illustrated inFIG. 5 byremovable storage 509 andnon-removable storage 510. Computer readable storage media may include volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information, such as computer readable instructions, data structures, program modules, or other data.System memory 504,removable storage 509 andnon-removable storage 510 are all examples of computer readable storage media. Computer readable storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by computingdevice 500. Any such computer readable storage media may be part ofcomputing device 500.Computing device 500 may also have input device(s) 512 such as keyboard, mouse, pen, voice input device, touch input device, an optical capture device for detecting gestures, and comparable input devices. Output device(s) 514 such as a display, speakers, printer, and other types of output devices may also be included. These devices are well known in the art and need not be discussed at length here. - Some embodiments may be implemented in a computing device that includes a communication module, a memory device, and a processor, where the processor executes a method as described above or comparable ones in conjunction with instructions stored in the memory device. Other embodiments may be implemented as a computer readable memory device with instructions stored thereon for executing a method as described above or similar ones. Examples of memory devices as various implementations of hardware are discussed above.
-
Computing device 500 may also containcommunication connections 516 that allow the device to communicate withother devices 518, such as over a wired or wireless network in a distributed computing environment, a satellite link, a cellular link, a short range network, and comparable mechanisms.Other devices 518 may include computer device(s) that execute communication applications, web servers, and comparable devices. Communication connection(s) 516 is one example of communication media. Communication media can include therein computer readable instructions, data structures, program modules, or other data. By way of example, and not limitation, communication media includes wired media such as a wired network or direct-wired connection, and wireless media such as acoustic, RF, infrared and other wireless media. - Example embodiments also include methods. These methods can be implemented in any number of ways, including the structures described in this document. One such way is by machine operations, of devices of the type described in this document.
- Another optional way is for one or more of the individual operations of the methods to be performed in conjunction with one or more human operators performing some. These human operators need not be collocated with each other, but each can be only with a machine that performs a portion of the program.
-
FIG. 6 illustrates a logic flow diagram forprocess 600 of a method to manage a cooling system in a server facility according to embodiments.Process 600 may be implemented on a server or other system. -
Process 600 begins withoperation 610, where cooling air may be provided to a first zone. The first zone may be bounded from a second zone by one or more racks housing multiple servers and insulating materials between each server within the one or more racks at the boundary between the first zone and the second zone. The first zone may be in contact with front ends of the servers, enabling the servers to take in the cooling air provided to the first zone and circulate the cooling air within the servers. As the cooling air is circulated within the servers, the servers may heat the air and push return air into a second zone. Atoperation 620, the heated return air may be collected in the second zone. - At
operation 630, the return air in the second zone may be provided to a CRAH unit in response to determination that air in an external environment is a higher temperature than the return air in the second zone. Atoptional operation 640, the return air may alternately be expelled into the external environment or re-directed to another space that may need to be warmed up, in response to determination that air in the external environment is a lower temperature than return air in the second zone. Air in the external environment may then be taken in and provided to the CRAH unit. - At
operation 650, the CRAH unit may condition the cooling air using one or more of cooling coils and chilled water. Atoperation 660, once sufficiently conditioned, the CRAH unit may provide the cooling air to the first zone. - The operations included in
process 600 are for illustration purposes. Management of a cooling system in a server facility may be implemented by similar processes with fewer or additional steps, as well as in different order of operations using the principles described herein. - The above specification, examples and data provide a complete description of the manufacture and use of the composition of the embodiments. Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims and embodiments.
Claims (20)
Priority Applications (6)
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US14/023,367 US20150073606A1 (en) | 2013-09-10 | 2013-09-10 | Cooling system management for server facility |
PCT/US2014/054171 WO2015038410A1 (en) | 2013-09-10 | 2014-09-05 | Cooling system management for server facility |
EP14771703.7A EP3045026A1 (en) | 2013-09-10 | 2014-09-05 | Cooling system management for server facility |
RU2016108115A RU2016108115A (en) | 2013-09-10 | 2014-09-05 | COOLING SYSTEM MANAGEMENT FOR SERVER ROOM |
CN201480049891.8A CN105580504A (en) | 2013-09-10 | 2014-09-05 | Cooling system management for server facility |
JP2016540397A JP2016538524A (en) | 2013-09-10 | 2014-09-05 | Cooling system management for server equipment |
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US14/023,367 US20150073606A1 (en) | 2013-09-10 | 2013-09-10 | Cooling system management for server facility |
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CN113535234A (en) * | 2021-06-12 | 2021-10-22 | 武汉所为科技有限公司 | Heating and ventilation cloud edge cooperative control method and system and storage medium |
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Also Published As
Publication number | Publication date |
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CN105580504A (en) | 2016-05-11 |
RU2016108115A3 (en) | 2018-06-08 |
WO2015038410A1 (en) | 2015-03-19 |
RU2016108115A (en) | 2017-09-14 |
EP3045026A1 (en) | 2016-07-20 |
JP2016538524A (en) | 2016-12-08 |
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