WO2016090187A1 - Réglage de l'état de puissance - Google Patents

Réglage de l'état de puissance Download PDF

Info

Publication number
WO2016090187A1
WO2016090187A1 PCT/US2015/063829 US2015063829W WO2016090187A1 WO 2016090187 A1 WO2016090187 A1 WO 2016090187A1 US 2015063829 W US2015063829 W US 2015063829W WO 2016090187 A1 WO2016090187 A1 WO 2016090187A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
devices
target system
subset
mode
Prior art date
Application number
PCT/US2015/063829
Other languages
English (en)
Inventor
Aaron J. RALLO
Original Assignee
Tso Logic Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US14/561,807 external-priority patent/US9274587B2/en
Application filed by Tso Logic Inc filed Critical Tso Logic Inc
Publication of WO2016090187A1 publication Critical patent/WO2016090187A1/fr

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234Power saving characterised by the action undertaken
    • G06F1/3287Power saving characterised by the action undertaken by switching off individual functional units in the computer system
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206Monitoring of events, devices or parameters that trigger a change in power modality
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234Power saving characterised by the action undertaken
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46Multiprogramming arrangements
    • G06F9/50Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5094Allocation of resources, e.g. of the central processing unit [CPU] where the allocation takes into account power or heat criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/12Arrangements for remote connection or disconnection of substations or of equipment thereof
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/50Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Definitions

  • the disclosed embodiments relate generally to management of power supply and consumption based on application and business priorities. More particularly, the disclosed embodiments relate to methods, systems for selecting devices for which power states may be adjusted.
  • FIG. 1 is a high-level block diagram that illustrates information collection, according to certain embodiments of the invention.
  • FIG. 2 is a high-level flow chart that illustrates a way of selecting devices and placing the selected devices into reduced power states or to be turned off in response to a given reduced power value, according to certain embodiments of the invention.
  • FIG. 3 is a high-level flow chart that illustrates a way of placing devices into reduced power states or to be turned off in response to a zero power value request, according to certain embodiments of the invention.
  • FIG. 4 is a high-level flow chart that illustrates a way of adjusting power-draw for the target system/environment by running only a subset of devices in the target system/environment based on the priority level of the respective applications running on devices in the target system/environment, according to some embodiments.
  • FIG. 5 is a high-level flow chart that illustrates a way of restoring power states for selected devices, according to some embodiments.
  • a system and method for selecting devices for which power states and/or mode of operation may be adjusted can be implemented based on power availability, cost of power consumption at certain periods of the day or year, environmental conditions, priority of applications, and business objectives.
  • power states include sleep states, hibernate states and standby states.
  • At least a subset of the plurality of devices in a target system can be selected for adjustment of power consumption (or can be turned off or turned back on) based on information including but not limited to: the nature and importance of the applications running on a given device, workloads at a given period of time, the business units that may be affected by changes in the power adjustment of various devices, cost of power consumption at a given time of day or year, the amount of power available at a given time of day, peak demand thresholds, logical position of the devices in the power supply chain, physical location of the of the devices, types and number of redundancies in the target system, types of power supply failures, frequency of power supply failures, business goals at a given period of time, and environmental factors.
  • information on the priority levels of applications running on one or more devices of the plurality of devices is considered when deciding which devices are candidates for power state and/or mode of operation adjustment.
  • the priority levels of applications may be based on the nature and importance of the applications with respect to an enterprise, or business unit within the enterprise, for example.
  • power state and/or mode of operation adjustment for a given device can include putting the device in a reduced power state from its current power state (slowing down the device and the applications that are running on the device), putting the device in an increased power state from its current power state (speeding up the device and the applications that are running on the device), turning the device off or turning the device back on if it is off, for example.
  • Non-liming examples of changing the mode of operation of a device includes changing the spin speed of the hard drive of the device, or changing the fan speed of one or more fans in the device or shutting down one or more fans of a plurality of fans in the device or slowing down or shutting off selected applications (that are less critical) that are running on the device.
  • a change of mode of operation can effect the power consumption of the device and the efficiency level of the device.
  • the types of power states for a given device depends on capabilities enabled by the device manufacturer, according to certain embodiments. For example, different power states of the device can be triggered by the operating system of the device, or through interfacing directly with the device itself by a device controller, or a computerized agent, or some other device, or a power distribution unit, etc.
  • the device is on and running, receiving full power from the system and delivering full
  • the device is fully functional, although at a lower power or performance state than Dl DO.
  • the Dl state is applicable for when the device is in use, but only when peak
  • information from various systems and devices in a given environment can be collected, analyzed and controlled.
  • the systems and devices may include physical and/or virtual servers, switches, firewalls, routers, server pools, application pools, SDN (software defined networking) solutions, controllers, management modules, environmental control devices, etc.
  • information can be collected and analyzed continuously or at predetermined intervals of time.
  • information includes but is not limited to priority levels of applications running on one or more devices, location of a given device of the one or more devices, work load types, name of application, the ID of the device associated with a given application, one or more UPS (uninterruptible power supply) IDs, power outlet IDs.
  • UPS uninterruptible power supply
  • work loads in a given target environment may be grouped based on various business criteria, by customer name, by importance, by the type of work being performed, and by the type of applications associated with the work load.
  • information can be stored in one or more databases and a mapping or some other correlation can be made between applications that are running on the respective devices in the target system/environment, and the corresponding workloads associated with the running applications.
  • such information can be used in the following non-limiting ways: 1 ) identify which applications, application pools, company departments or workloads would be impacted in the event of one or more device failures, 2) identify which devices can be shut down or should be shut down when there is a shortage of power being supplied to the target system/environment, 3) identify which devices can have their power state reduced and/or mode of operation altered when there is a reduced rate of power supply to the target system/environment so as to redirect power to devices that are running applications of a more critical nature, 4) identify which devices should be turned on first or have their power state increased and/or mode of operation altered in the event there is an increase in the power supply rate that is being supplied to the target system/environment.
  • the priority levels of given applications and work load types may be set by administrators, inherited from third party systems, or derived automatically based on use patterns and or current utilization levels.
  • the power state and/or mode of operation adjustment for a given device can be performed by one or more of the following: 1 ) using power state capabilities inherent to the device, 2) using a device controller, 3) using a power distribution unit (PDU), 4) using an operating system on the device, and 5) using a computer- implemented agent.
  • PDU power distribution unit
  • an application aware power controller communicates with a centralized controller and the devices in the target system/environment in order to adjust the power state and/or mode of operation of the devices that have been selected for power state and/or mode of operation adjustment based on the rate of power supply and the information collected on the devices in the target system/environment. Further, the information on the devices in the target system/environment can be reported to system administrators and to other infrastructure devices such as chillers or other environmental control devices.
  • FIG. 1 is a high-level block diagram that illustrates a method of collecting relevant information on the devices in a target system/environment for use in power adjustment decisions, according to certain embodiments.
  • FIG. 1 shows a power source 102, such as an uninterruptible power supply (UPS) and or a generator or power grid (not shown) that supplies power to one or more devices 106a-f, an application aware power controller (AAPC) 108, a central source or controller 1 10, and a facility chiller or environmental control device 1 12 (hereinafter referred to as "environmental control device”).
  • UPS uninterruptible power supply
  • AAPC application aware power controller
  • central source or controller 1 10 a central source or controller 1
  • a facility chiller or environmental control device 1 12 hereinafter referred to as "environmental control device”
  • devices 106a-f may or may not be within the enclosure of another device.
  • devices 106a-f may include optionally one or more of the following: server farm type chassis, racks, cabinets of computers and devices or other types of computing facilities that run one or more applications, application pools, workloads and smart power distribution units (PDU).
  • Central source or controller 1 10 manages the devices 106a-f.
  • central source or controller 1 10 can include one or more of: configuration management databases, spreadsheets, centralized device controllers, automated provisioning solutions, software distribution solutions, management modules, virtualization solutions, software defined networking solutions (collectively referred to as "central source or controller"), the information from which can be used to aid the central source or controller 1 10 in managing the devices in the target system/environment. Further, there may be a plurality of power sources supplying power to the target system/environment. The target system/environment may be broken down into zones based on functionality and on power and cooling needs.
  • the AAPC 108 collects and manages information from central source or controller 1 10, from the devices 106a-f and optionally from power source 102 and/or environmental control device 1 12.
  • the collected information can be stored in a database that can communicate with AAPC 108.
  • the information collected from central source or controller 1 10 can include one or more of: priority levels of applications running on one or more devices, location of a given device of the one or more devices, work load types, name of a given application, the ID of the device associated with a given application, one or more UPS (uninterruptible power supply) IDs, outlet IDs, connection information (for example, information on how the UPS, server, and power outlets are connected).
  • UPS uninterruptible power supply
  • the priority of a given application may be set directly by the AAPC 108. According to certain other embodiments, the priority of a given application may be set automatically based on utilization rates and current workload associated with the given application.
  • the information collected from the devices 106a-f in the target system/environment can include one or more of: the power-draw of a given device, performance characteristics of a given device, power control capabilities of a given device, workload characteristics of a given device, operating system of a given device and device ID of a given device.
  • FIG. 2 is a high-level flow chart that illustrates a way of selecting devices and placing the selected devices into reduced power states or to be turned off and/or put into an altered mode of operation in response to a given reduced power value, according to certain embodiments of the invention.
  • the AAPC 108 receives a request to set available power to X number of units of energy (referred to as "power setting request” herein) or a percentage of the total power that is currently drawn by the target system/environment based on a set of parameters such as type of power adjustment ("hard” or “soft” adjustment), and time (length of time to complete the request for power adjustment), according to certain embodiments.
  • power setting request a request to set available power to X number of units of energy
  • time length of time to complete the request for power adjustment
  • a “hard” power adjustment means that the changes in power state and/or mode of operation of selected devices must occur such that the requested power setting is achieved within the allotted time, according to certain embodiments.
  • a “soft” power adjustment means that, even though some devices are selected for power state and/or mode of operation adjustment, their power states and/or mode of operation could not be adjusted and the system administrator is notified of such cases.
  • the AAPC 108 calculates which applications and associated devices in the target system/environment can be shut down, turned on, slowed down, speeded up, or suspended based on the respective application's priority level to achieve the power setting that is requested at block 202, according to certain embodiments.
  • the AAPC 108 communicates with the central source or controller 1 10 to move workload from one device to another and put selected devices into one of the following modes: 1 ) available mode, 2) unavailable mode, 3) suspended mode, 4) maintenance mode. Further, the AAPC 108 may communicate with the central source or controller 1 10 the reasons for the change in modes for the selected devices, according to certain embodiments.
  • the AAPC 108 communicate with the selected devices to change their respective power states and/or mode of operation in order to achieve the power setting that is requested at block 202, according to certain embodiments.
  • the AAPC 108 tracks the boot-up or shut down processes of respective selected devices so as to limit the number of devices that are allowed to have their power states and/or mode of operation changed at any given time, according to certain embodiments.
  • the number of devices that are allowed to have their power states and/or mode of operation changed is an optional setting and such a setting can be stored in a database associated with the AAPC 108.
  • the AAPC 108 reports, to the environmental control device 1 12, the change in power consumption by the relevant devices that had their respective power states and/or mode of operation altered and the location of such devices, according to certain embodiments.
  • the AAPC 108 may also cause the generation of reports on the devices that are impacted by the power setting request, the power usage of the various devices, the efficiency levels of the various devices, the current power that a given device is drawing based on its current power state and/or mode of operation.
  • AAPC 108 monitors and analyzes the target system to recommend power saving strategies to achieve power savings.
  • FIG. 3 is a high-level flow chart that illustrates a way of placing devices into reduced power states or turned off and/or put into an altered mode of operation in response to a zero power value request, according to certain embodiments of the invention.
  • AAPC 108 receives a request to set available power to zero number of units of energy based on a set of parameters such as type of power adjustment (hard or soft adjustment), and time (length of time to complete the request for power adjustment), according to certain embodiments.
  • AAPC 108 communicates with central source or controller 1 10 to move the workload from all the devices in the target system/environment before shutting down the respective devices in the target system/environment, according to certain embodiment.
  • the AAPC 108 interfaces with any device that is still drawing power after 15 minutes has elapsed since the receiving the request for the zero power setting in order to shut it down, regardless of the workload of the device, according to certain embodiments.
  • a report is generated to identify the affected the applications affected by the forced shutdown of the devices.
  • the workload from all the devices in the target system/environment may be moved to appropriate devices in other systems/environments where spare power is available.
  • FIG. 4 is a high-level flow chart that illustrates a way of adjusting the power-draw of the target system/environment by running only a subset of devices in the target system/environment based on the priority level of the respective applications running on devices in the target system/environment, according to some embodiments.
  • AAPC 108 receives a request to adjust the power-draw of the target system/environment by running only a subset of devices in the target system/environment based on the priority level of the respective applications running on the devices.
  • the request may be to continue powering devices that are running applications with a priority of 1 to X or to continue powering devices that are designated as "critical.”
  • AAPC 108 communicates with central source or device controller 1 10 to take the actions required for complying with the request to adjust the power-draw of the target system/environment by running only a subset of devices.
  • An example action would be to adjust the power states and/or modes of operation of one or more devices (turn off, turn on, put into hibernation mode, standby mode, sleep mode, adjust fan speed of one or more fans of the device, turn off or turn on one or more fans of the device, adjust spin speed of hard drive of the device) in the target system/environment based on the power that is available to the target system/environment.
  • AAPC 108 interfaces with the devices that are selected for power shut down.
  • FIG. 5 is a high-level flow chart that illustrates a way of restoring power states and/or mode of operation for selected devices, according to some embodiments.
  • AAPC 108 receives a request to restore power to all or some of the devices in the target system/environment based on the priority level of the applications that are supposed to be running on the respective devices.
  • AAPC 108 communicates with central source controller 1 10 to take the actions required for complying with the request to restore power to all or some of the devices in the target system/environment based on the priority level of the applications that are supposed to be running on the respective devices.
  • AAPC 108 interfaces with the devices that are selected for power restoration.
  • the power controller 1 ) measures resource utilization on a respective device of the plurality of devices for a given number of requests executed by the respective device, 2) obtains correlation information between the measured resource utilization and the number of requests executed by the respective device, and 3) uses a set of power utilization criteria.
  • the power utilization criteria comprises: a) lowest operating frequency, b) highest power consumption, c) maximum post-utilization, d) lowest power consumption, e) highest operating
  • the power controller remotely queries each device of at least a subset of devices for information on the number of requests and resource utilization information in the subset of devices.
  • the power controller is used for: 1 ) determining an overload threshold for at least a subset of devices of the plurality of devices, 2) determining if all power-on devices in the subset of devices are above the overload threshold, 3) selecting a first device from the subset of devices to power on or put into an increased power state if all power-on devices in the subset of devices are above the overload threshold; and 4) selecting a second device from the subset of devices to power off or put into a reduced power state if all power-on devices in the subset of devices are below
  • the overload threshold can be determined dynamically or can be pre-defined.

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Power Sources (AREA)

Abstract

L'invention concerne un système et un procédé pour sélectionner des dispositifs pour lesquels des états de puissance et/ou un mode de fonctionnement peuvent être ajustés, qui peuvent être mis en œuvre sur la base de la disponibilité d'alimentation électrique, du coût de consommation d'énergie à certaines périodes de la journée ou de l'année, des conditions environnementales, d'une priorité d'utilisations, et d'objectifs commerciaux.
PCT/US2015/063829 2014-12-05 2015-12-03 Réglage de l'état de puissance WO2016090187A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/561,807 US9274587B2 (en) 2011-03-02 2014-12-05 Power state adjustment
US14/561,807 2014-12-05

Publications (1)

Publication Number Publication Date
WO2016090187A1 true WO2016090187A1 (fr) 2016-06-09

Family

ID=56092497

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2015/063829 WO2016090187A1 (fr) 2014-12-05 2015-12-03 Réglage de l'état de puissance

Country Status (1)

Country Link
WO (1) WO2016090187A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109923498A (zh) * 2016-11-18 2019-06-21 Ati科技无限责任公司 用于电力性能管理的应用剖析

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0789293B1 (fr) * 1996-02-09 2004-08-04 Sun Microsystems, Inc. Commutateur intelligent pour commander l'alimentation d'énergie d'un système
US20060184287A1 (en) * 2005-02-15 2006-08-17 Belady Christian L System and method for controlling power to resources based on historical utilization data
US20080104430A1 (en) * 2006-10-31 2008-05-01 Malone Christopher G Server configured for managing power and performance
US20080178029A1 (en) * 2007-01-19 2008-07-24 Microsoft Corporation Using priorities to select power usage for multiple devices
US20100299549A1 (en) * 2009-05-21 2010-11-25 Lsi Corporation Power managment for storage devices
US20120226918A1 (en) * 2011-03-02 2012-09-06 Rallo Aaron J Non-intrusive Power Management
US20120331207A1 (en) * 2011-06-24 2012-12-27 Lassa Paul A Controller, Storage Device, and Method for Power Throttling Memory Operations
US20140281620A1 (en) * 2013-03-14 2014-09-18 Tso Logic Inc. Control System for Power Control

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0789293B1 (fr) * 1996-02-09 2004-08-04 Sun Microsystems, Inc. Commutateur intelligent pour commander l'alimentation d'énergie d'un système
US20060184287A1 (en) * 2005-02-15 2006-08-17 Belady Christian L System and method for controlling power to resources based on historical utilization data
US20080104430A1 (en) * 2006-10-31 2008-05-01 Malone Christopher G Server configured for managing power and performance
US20080178029A1 (en) * 2007-01-19 2008-07-24 Microsoft Corporation Using priorities to select power usage for multiple devices
US20100299549A1 (en) * 2009-05-21 2010-11-25 Lsi Corporation Power managment for storage devices
US20120226918A1 (en) * 2011-03-02 2012-09-06 Rallo Aaron J Non-intrusive Power Management
US20120331207A1 (en) * 2011-06-24 2012-12-27 Lassa Paul A Controller, Storage Device, and Method for Power Throttling Memory Operations
US20140281620A1 (en) * 2013-03-14 2014-09-18 Tso Logic Inc. Control System for Power Control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109923498A (zh) * 2016-11-18 2019-06-21 Ati科技无限责任公司 用于电力性能管理的应用剖析
CN109923498B (zh) * 2016-11-18 2023-08-15 Ati科技无限责任公司 用于电力性能管理的应用剖析

Similar Documents

Publication Publication Date Title
US11126242B2 (en) Time varying power management within datacenters
US8583945B2 (en) Minimizing power consumption in computers
US8271818B2 (en) Managing under-utilized resources in a computer
US10128684B2 (en) Energy control via power requirement analysis and power source enablement
US10429921B2 (en) Datacenter power management optimizations
US10289184B2 (en) Methods of achieving cognizant power management
US8041967B2 (en) System and method for controlling power to resources based on historical utilization data
US8473768B2 (en) Power control apparatus and method for cluster system
US8065541B2 (en) Server power consumption controller, and method and computer program for controlling server power consumption
US7647516B2 (en) Power consumption management among compute nodes
CA2522467C (fr) Politiques de gestion de puissance automatisee basees sur des caracteristiques de redondance propres a une application
US7529949B1 (en) Heterogeneous power supply management system
US10466729B2 (en) Power supply system, power management, apparatus, power management method, and power management program
US20140359323A1 (en) System and method for closed loop physical resource control in large, multiple-processor installations
EP2049969A2 (fr) Système de régulation d'ordinateur à surveillance et régulation automatique de la consommation électrique
JP2010146546A (ja) クラスタシステムに対する遠隔電源管理システム及びその方法
EP2712122B1 (fr) Procédé et dispositif de surveillance d'économies d'énergie
Zhang et al. Flex: High-availability datacenters with zero reserved power
US20130185717A1 (en) Method and system for managing power consumption due to virtual machines on host servers
US20070124684A1 (en) Automatic power saving in a grid environment
US8209413B1 (en) Emergency power settings for data-center facilities infrastructure event
US9639144B2 (en) Power state adjustment
US9274587B2 (en) Power state adjustment
CN104270430A (zh) 一种适用于云计算的服务器远程调度方法
WO2016025489A1 (fr) Système et procédé pour armoire d'équipement, concernant la fourniture et la gestion intelligente d'énergie

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15865571

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15865571

Country of ref document: EP

Kind code of ref document: A1