vSphere新功能全面解析

1、vSphere 新功能全面解析探讨内容vSphere 6 综述vSphere 6 ESXi与VM 增强vCenter Server 6 增强vSphere 6 存储增强2vSphere 6 综述New Features of the vSphere 6 Platform4vSphere 6New Feature or EnhancementVMware ESXi Scalability improvements SecurityVirtual MachinesCompatibility with ESXi 6Virtual NUMAvCenter ServerVMware Platform S

2、ervices ControllerEnhanced Link ModeCertificate ManagementVMware vCenter Server ApplianceVMware vSphere vMotionVMware vSphere High AvailabilityVMware vSphere Fault TolerancevSphere StorageVirtual VolumesVMware vSphere Data Protection VMware vSphere Replication ESXi Scalability ImprovementsvSphere 5.

3、5vSphere 6Hosts per Cluster3264VMs per Cluster40008000CPUs per Host320480RAM per Host4TB12TBVMs Per Host5121024Virtual CPUs per VM64128Virtual RAM per VM1TB4TB5ESXi Security EnhancementsESXi 6 has the following security enhancements:Account management:Manage local accounts on the ESXi host by using

4、ESXCLI commands.Account lockout:Local account failed login attempts.Account lockout duration.Password complexity rules:Flexible lockdown modes:Normal lockdown mode: Users on the Direct Console User Interface access list can access DCUI.Strict lockdown mode: No DCUI access.Smart-card authentication t

5、o DCUI6Virtual Machine Enhancements7FeaturesBenefitsxHCI controller updated to version 1.0USB 3 support for Mac OS X 10.8, Windows Server 2012, and Windows 8 operating systems.Windows vmxnet3 driver supportSupports large receive offload (LRO), resulting in reduced associated CPU costs by reducing ne

6、twork packet processing.Enhanced NUMA featureHot-add local memory is distributed across all NUMA nodes.Guest authenticationSupport for Windows 2000 and later, Linux kernels 2.4 and later, and Solaris operating systems.HGFS shared folder featureNumber of reboots is reduced by installing VMware Tools.

7、Increased vCPU capacity Virtual hardware version 11 virtual machines can support up to 128 vCPUs.Increased RAM capacity Virtual hardware version 11 virtual machines support up to 4 TB of RAM. Increased serial port configurationVirtual hardware version 11 virtual machines can be configured with up to

8、 32 serial ports.vCenter Server Architecture Changes8VM or PhysicalVirtual machine or Physical ServerPlatform Services ControllervCenter ServerPlatform Services ControllervCenter Server now includes VMware Platform Services Controller:Platform Services Controller includes a set of common infrastruct

9、ure services: VMware vCenter Single Sign-OnVMware License ServerLookup ServiceVMware Certificate Authority (VMCA)Certificate StoreOther features are installed under the vCenter Server component.You can install either the Platform Services Controller, vCenter Server, or both on each vCenter Server sy

10、stem.9Virtual machine or Physical ServerPlatform Services ControllerOperating systemvCenter Server Component: Other FunctionsWhen you install the vCenter Server component, you can use the following features: vCenter ServerVMware vSphere Web Client (server)VMware Inventory ServiceVMware vSphere Auto

11、DeployVMware vSphere ESXi Dump CollectorVMware vSphere Syslog Collector 10VM or PhysicalVirtual machine or Physical ServerPlatform Services ControllerOperating systemSystem Installation11VM or PhysicalVirtual machine or Physical ServerPlatform Services ControllervCenter ServerVM or PhysicalVirtual m

12、achine or Physical ServerPlatform Services ControllerVM or PhysicalVirtual machine or Physical ServervCenter ServerVM or PhysicalVirtual machine or Physical ServervCenter ServervSphere vMotion EnhancementsMigrate across virtual switches.Migrate across vCenter Server systems.MAC addresses are preserv

13、ed in migrations across vCenter Server instances.Migrate long distance: At least 100 ms RTT.Intracontinental distances can be supported.Separate TCP stack for vSphere vMotion12vSphere Storage EnhancementsStorage in vSphere 6 has several changes and enhancements:Virtual VolumesStorage policy-based ma

14、nagementNFS v4.1 with KerberosMultisite content libraries 13About the Content LibraryThe content library is a repository of virtual machine templates, vApps, ISO images, and scripts for vSphere administrators. The content library can be easily shared and synchronized across vCenter Server instances.

15、14vSphere HAvSphere 6 has the following high availability enhancements:Virtual Machine Component Protection(VMCP):Protection against storage failures, such as all paths down (APD) and permanent device loss (PDL) for Fibre Channel, iSCSI, FCoE, and NFS storage. vSphere HA can protect up to 64 ESXi ho

16、sts and 8,000 virtual machines.vSphere HA is compatible with the following:Virtual VolumesNetwork I/O ControlIPv6VMware NSXvSphere vMotion migration across vCenter Server systems15ESXiVMFCVMiSCSIESXiVMFCVMiSCSIPDLExample: Host Removed from Arrays Storage GroupAPDExample: Fibre Channel Card FailurevS

17、phere Fault TolerancevSphere 6 includes the following fault tolerance enhancements:vSphere Fault Tolerance protects the following: 4 vCPU virtual machinesVirtual machines with up to 64 GB of memoryvSphere Fault Tolerance support is added for the following:vSphere vMotion migration of primary and sec

18、ondary virtual machinesSecondary disks created for VMDK filesBackup files for virtual machine files, such as .vmx filesMemory hardware-assist supportedHot-enabled fault toleranceThin-provisioned disk support16ESXi与VM增强vSphere 6 Kernel Enhancements18FeaturesBenefitsVirtual machine overhead reductionM

19、emory overhead is reduced on small virtual machines with up to 1 GB of memory and running a single vCPU resulting in support for up to 1024 virtual machines.Physical RAM support increasedThe amount of physical RAM supported is increased to 12 TB.Physical CPU support increasedThe physical CPU support

20、ed is increased to 480.Interrupt support increaseThe VMkernel now supports up to 4,096 interrupts.USB 3.0 supportUSB 3.0 host attached devices are supported.NVM ExpressNVM Express native driver with hot-plug add and removal is added.SMART information statisticsSMART information statistics now includ

21、e PCIe and NVM Express SSDs.Additional featuresvCPU increased to 4,096. Nodes per cluster increased to 64.Virtual Machine Overhead ReductionReducing virtual machine memory overhead increases the virtual machine density per host:Memory overhead is reduced on small virtual machines with up to 1 GB of

22、memory and running a single vCPUDecreased to around 10 percent or less1024 virtual machines on a single hostA server-optimized version of VMware Tools is now available for server virtual machines:Does not include capabilities such as the graphical interface and folder sharing19vSphere 5 Memory State

23、s20vSphere 5 has four memory states used to manage memory.100%64%32%16%Memory StatePercentage of Minimum Memory AvailableminFree is the amount of memory that is kept free by the VMkernel to ensure that sufficient system resources are always available. Handling of vSphere 5 Memory OvercommitmentVario

24、us memory reclamation techniques are used when the host has less than minFree of free memory:Transparent page sharing (TPS) Ballooning Memory compression SwappingIn vSphere 5, memory state thresholds are occasionally crossed before TPS can perform page deduplication. 21Time/Percentage of free minimu

25、m memoryTPSBallooningCompressionSwappingvSphere 5vSphere 6 Memory States22100%64%32%16%300%Memory StatePercentage of Minimum Memory AvailableHandling of vSphere 6 Memory OvercommitmentThe new memory threshold means that TPS has more opportunity to engage before the system moves to more costly manage

26、ment tools.23Time/Percentage of free minimum memoryTPSBallooningCompressionSwappingvSphere 6Time/Percentage of free minimum memoryTPSBallooningCompressionSwappingvSphere 5Virtual Machine Improvements24FeaturesvSphere 6Virtual CPU128Virtual RAM4 TBUSB supportxHCI controller updated to version 1.0LRO

27、supportWindows VMXNET3 driver supports LRONUMA enhancementsvNUMA hot-adds memory to multiple nodesHGFS shared folder VMware Tools installation reboot reductionAbout the VMXNET DriverThe VMXNET3 adapter in vSphere 6 is updated to support LRO: The driver for VMXNET3 is installed with VMware Tools.LRO

28、aggregates incoming TCP packets into a single large packet:Transfers larger but fewer packets to the network stack.CPU processes fewer packets. The use of CPU for networking is reduced.LRO-supported guest operating systems include:Windows Server 2012Windows 825Combined TCP PacketsTCP PacketTCP Packe

29、tTCP PacketvCenter Server 6 增强Installing vCenter Server on a Windows ServerInstead of using vCenter Server Appliance, you can install vCenter Server on Microsoft Windows Server 2008 SP2 or later:Validate vCenter Server hardware and software requirements. Select a vCenter Server database.Embedded vFa

30、bric Postgres database.External database.Install Platform Services Controller and vCenter Server. Embedded Platform Services ControllerExternal Platform Services Controller27Supported Operating Systems for vCenter ServerThe following 64-bit Windows operating systems are supported for vCenter Server

31、6: Microsoft Windows Server 2008 SP2Microsoft Windows Server 2008 R2Microsoft Windows Server 2008 R2 SP1Microsoft Windows Server 2012Microsoft Windows Server 2012 R228Windows Server and the vFabric Postgres Database When you install vCenter Server on a Windows server, you can use the embedded vFabri

32、c Postgres database:The vFabric Postgres database replaces the MS SQL Express database.If you use the vFabric Postgres database, your vCenter Server system cannot manage a large environment:Maximum 20 ESXi hosts. Maximum 200 virtual machines. When the embedded vFabric Postgres database is used on vC

33、enter Server Appliance, it does not have these limitations. To manage a larger environment from vCenter Server that is installed on a Windows server, use an external database.29Supported External Databases for vCenter Server 6 on WindowsThe following databases are tested and supported for vCenter Se

34、rver 6 as external databases.:Microsoft SQL Server 2008 R2 SP1Microsoft SQL Server 2008 R2 SP2Microsoft SQL Server 2012Microsoft SQL Server 2012 SP1Microsoft SQL Server 2014Oracle 11g R2 Oracle 12c30vCenter Server Appliance FeaturesvCenter Server Appliance is a preconfigured Linux-based virt

35、ual machine that is optimized for running vCenter Server.vCenter Server Appliance runs on SUSE Linux Enterprise Server 11, Update 3.vCenter Server Appliance can be used with ESXi 5.5 and ESXi 6.Prepackaged with a PostgreSQL embedded database:Also supports Oracle 11g R2 and Oracle 12c as ext

36、ernal databases.Supports the vSphere Web Client.31vCenter Server Appliance Enhancements (1)vCenter Server Appliance now scales to the same capacity as vCenter Server installed on a Windows server32MetricWindowsApplianceHosts per vCenter Server system1,0001,000Powered-on virtual machines per vCenter

37、Server System10,00010,000Hosts per cluster6464Virtual machines per cluster8,0008,000DatabaseMust be Oracle or SQL for full scalabilityCan be either Oracle or embedded VMware vFabric Postgres for full scalabilityLinked ModeYesYesvCenter Server Appliance Enhancements (2)vCenter Server Appliance functi

38、onally is equivalent to vCenter Server installed on a Windows server:Deployment options:With an external Platform Services Controller.With an embedded Platform Services Controller.Can also join vCenter Server Appliance to the same vCenter Single Sign-On domain as another vCenter Server Appliance or

39、vCenter Server on Windows.Supports all of the same features as a vCenter Server system running on a Windows server.Supports both IPv4 and IPv6.You can combine vCenter Server Appliance and vCenter Server systems installed on Windows servers in the same architecture.Now supports linked mode.33vSphere存

40、储增强Virtual SAN 6 Scalability Enhancements35Virtual SAN 5.5Virtual SAN 6HybridVirtual SAN 6All FlashHosts per Cluster3264642xVirtual Machines per Host1002002002xIOPS per Host20K40K90K4.5xSnapshot Depth per Virtual Machine2323216xVirtual Disk Size2 TB62 TB62 TB31xVirtual Machines per Cluster3200640064002xVirtual SAN 6 Performance EnhancementsPerformance improvements:Snapshots and clones enhancementsUse flash devices for the capacity layer36Advantage of Using Virtual VolumesVirtual Volumes directly addresses the driving concerns of customers.37“Setting up storage requires too much time.