ComputerAirHandling Unit(CRAC)- Up Te 30 Ton Sensible Capacity Per Unit-Air Discharge Can Be Upflow OrDownflow ConfigurationDouunflowConfigurationUsedWithRaisedFloorToCreateA Pressurized Supply Air Plenum With Floor Supply DiffusersIndividual ColocationComputerCabinetsPowerDistributionUnit(PDU)· Typ.Cabinet Footprint (28*W x36"D X 84H)· Typical Capacities Up To 225 kVA Per Unit-Typical Capacities Of 1750 To3750Walis Per CabinetRedundancy Through Dual PDU's WithInlegral Static Transfer Switch (STS)EmergencyDieselGenerators-Total Generalor Capacity=Teal Electrical Load To Building-MultipleGeneratorsCanBeElectrieallyCombinedWithParalleling Gear-Can Be Located Indoors Or Outdoors At Grade Or On Roof- Ouidoor Applications Require Sound Attenuating EnclosuresFuel Oil StorageTanks Tank Capacity Dependant On LengthOfGeneratorOperation- Can Be Located Underground Or AtColocation SuitesGrade Or Indoors-Moduiar Configuration ForUPSSystemFlexible Suite Sq.FtAreas·Uninternuptible Power Supply Modules+Suites Consist Of Multiple Cabinets With+Up To 1000kVAPer ModuleSecured Partitions (Cages, Walls, Etc.)+ Cabinets And Battery Strings Or Rotary Flywheels? Multiple Redundancy Configunitions Can Be DesignedElectricalPrimary Switchgear Includes Incoming Service And Distribution-Direct Distnibution To Mechaanical Equipment- Diseribution To Secondary Ekectrical Equipment Via UPSPumpRoomHeat RejectionDevices-UsedToPumpCondenset/ChilledWaterBetweenDrycoolersAndCRACUnits-Dryeoolers, Air Cooled Chillens, Ete-Adeitional Equipment Includes Expansion Tank,Glyeol FeedSystem- Up Te400 TonCapacity Per Unit+N+1 Design (Stanidby Pump)?Mounted AtGradeOr On Roof·N+1DesignFIGURE4.1:The main components of a typical datacenter (image courtesyof DLB Associates [23])
高级计算机体系结构设计及其在数据中心和云计算的应 用
高级计算机体系结构设计及其在数据中心和云计算的应用ServersSimilar to a simple desktop Different form factor (rack unit, blade). Different number of CPUs from desktop: Different applications (less graphics)Headless,withKVM or consoleaccess: Different peripherals (networking, shared storage)
高级计算机体系结构设计及其在数据中心和云计算的应 用 Servers • Similar to a simple desktop • Different form factor (rack unit, blade) • Different number of CPUs from desktop • Different applications (less graphics) • Headless, with KVM or console access • Different peripherals (networking, shared storage)
clusterswitchserverracksFIGURE 1.1:Typical elenents in warehouse-scale systems: 1U server (lef), 7' rack with Ethernetswitch (middle),and diagram ofa small cluster with a cluster-level Ethernet switch/router (right)
高级计算机体系结构设计及其在数据中心和云计算的应 用
高级计算机体系结构设计及其在数据中心和云计算的应用
高级计算机体系结构设计及其在数据中心和云计算的应 用
高级计算机体系结构设计及其在数据中心和云计算的应用Scenes from a Typical DatacenterServersNetwork orStorageCablesBackofarackFrontofarackStorage
高级计算机体系结构设计及其在数据中心和云计算的应 用 Scenes from a Typical Datacenter Servers • Front of a rack • Back of a rack Network or Storage Cables Storage