Citrix PVS 高級技術(shù)指南

1、Citrix PVS 高級技術(shù)指南Yuhua LuRemote AccessBrokerAgentProtocolCBRCVie PersonaHosted Shared Desktops (Terminal Server)VDI (Windows Clients)Windows App Virtualization Remote PCCentral Image management Unified Access Policies User Data ProfilesXenDesktop 7 Architecture OverviewPVS/MCSRemote AccessBrokerAgen

2、tProtocolCBRCVie PersonaHosted Shared Desktops (Terminal Server)VDI (Windows Clients)Windows App Virtualization Remote PCCentral Image management Unified Access Policies User Data ProfilesXenDesktop 7 Architecture OverviewPVS/MCSImage Management 3 hypervisorsAll workloadsLow storage I/O impactSimpli

3、fy OperationsXDXAPhysicalServersPhysicalPCsThe Old WayPush, patch and repeatPushThe Old WayPush, patch and repeatPushPatchThe Old WayPush, patch and repeatPushPatchRepeatThe Old WayPush, patch and repeatRetireCreateTestThe Image LifecyclePatchDeployvDisk.vhd15.0 GBSingle Image Version ManagementPare

4、ntvDisk.1.avhd0 MBvDisk.vhd15.0 GBSingle Image Version ManagementParentvDisk.vhd15.0 GBvDisk.1.avhd100 MBSingle Image Version ManagementParentvDisk.vhd15.0 GBvDisk.1.avhd200 MBSingle Image Version ManagementParentvDisk.vhd15.0 GBvDisk.1.avhd300 MBSingle Image Version ManagementParentvDisk.vhd15.0 GB

5、vDisk.1.avhd300 MBSingle Image Version ManagementParentvDisk.vhd15.0 GBSingle Image Version ManagementvDisk.1.avhd300 MBSingle Image Version ManagementvDisk.vhd15.0 GBvDisk.1.avhd300 MBvDisk.vhd15.0 GBvDisk.1.avhd300 MBvDisk.2.avhd75 MBvDisk.3.avhd730 MBSingle Image Version ManagementvDisk.vhd15.0 G

6、BvDisk.1.avhd300 MBvDisk.2.avhd75 MBvDisk.3.avhd730 MBProductionMaintenanceTestSingle Image Version Management6 Reasons Why Provisioning Services Solves Your Business Needs Better6 Reasons Why Provisioning Services Solves Your Business Needs BetterCommon Image Library (VDI/RDS/Physical)Manage images

7、 through development, testing and production deployment.Automated image update capabilities streamline patch Tuesday in conjunction with industry standard WSUS and SCCMIO capacity utilization, new client side cache mode virtually eliminates IOPSSupports Microsoft System Center 2012 Configuration Man

8、ager and Virtual Manager Supports KMS and MAK based licensing for virtual desktopsBoot Process: Provisioning ServicesComplete KernelKernel ServicesBios ServicesHardwareBoot LoaderEarly KernelUser ProcessBiosMBRBoot Process: Provisioning ServicesComplete KernelKernel ServicesBios ServicesHardwareBoot

9、 LoaderEarly KernelUser ProcessBiosMBRPVS NetworkProvisioning ServerTarget Device 3NetworkStorageTarget Device 1Target Device 2AWorking With vDisksStandard Image mode (Difference Disk mode)Provisioning ServerTarget Device 3NetworkStorageTarget Device 1Target Device 2A single vDisk is streamed to man

10、y target devicesAWorking With vDisksStandard Image mode (Difference Disk mode)Provisioning ServerTarget Device 3NetworkStorageTarget Device 1Target Device 2Any session changes are not written back to the base vDiskAWorking With vDisksStandard Image mode (Difference Disk mode)Provisioning ServerTarge

11、t Device 3NetworkStorageTarget Device 1Target Device 2Any session changes are not written back to the base vDiskAWorking With vDisksStandard Image mode (Difference Disk mode)Provisioning ServerTarget Device 3NetworkStorageTarget Device 1Target Device 2On reboot, a “clean” image is streamed down to t

12、he target devicesAWorking With vDisksStandard Image mode (Difference Disk mode)Provisioning ServerTarget Device 3NetworkStorageTarget Device 1Target Device 2On reboot, a “clean” image is streamed down to the target devicesAWorking With vDisksStandard Image mode (Difference Disk mode) Where do the wr

13、ites go when using Standard Image mode?Provisioning ServerTarget Device 3NetworkStorageTarget Device 1Target Device 2On reboot, a “clean” image is streamed down to the target devicesAWorking With vDisksStandard Image mode (Difference Disk mode)Device-Side Disk CacheDevice-Side RAM CacheServer-Side D

14、isk Cache Where do the writes go when using Standard Image mode?Write CacheRAM Cache to DiskBest performance for single applicationsPerform Server-based cache to estimate size requirementOverflow to disk when RAM is exhaustedClient Disk CacheLow network trafficRequired for full system dumpsMost comm

15、on in deploymentsCan be secured through encryptionServer Disk CacheNo requirement for local hard diskCan be secured through encryptionLogon Storm End User Experience W/C Target Device DiskVSI Logon Timer13-17 SecondsW/C RAM O/D (512MB)VSI Logon Timer9-11 SecondsLogon Storm Disk I/OW/C Target Device

16、DiskW/C Consuming Disk SpaceWrite IO to Disk 6 Ops (Avg)W/C RAM O/D (512MB )W/C 0 % Disk Utilisation Write IO to Disk 1Boot Device Manager (BDM) instead of PXEBoot Device Manager (BDM) instead of PXEBoot Device Manager (BDM) instead of PXEBoot Device Manager (BDM) instead of PXEProvisioning Services

17、One imaging solution for Virtual apps and VM hosted appsPhysical and virtual instancesAny Windows operating systemComplete image lifecycleDevelop - Test ProductionAutomated updatesInstantaneous rollbackVIRTUALIZECENTRALIZEPROVISIONWhats New with PVS?Citrix Melio and PVSCitrix MelioMelioWhat is Melio

18、Total Software SolutionInfrastructure agnosticDoesnt come in a box: no need to rip-and-replace or rebuild existing infrastructureCluster Volume Manager: storage aggregation and virtualizationCluster File System: data consolidation and availability without replicationApplication Clustering: workload

19、HA and load-distributionProvides advanced storage and data services at the host layerEnables Converged and Hyper-converged InfrastructureSpans servers, racks, and data centers on-premise and/or to the public cloudCore technology of WorkspacePodWhat Makes Melio UniqueAppClusterSharedFile SystemShared

20、VolumeManagerWhat Value Does Melio Bring to Enterprise ITHistoricallyServersStorageWhat Value Does Melio Bring to Enterprise ITWith MelioWhat Value Does Melio Bring to PVS-based XenApp and XenDesktop DeploymentsWhat does Melio do for Citrix XenApp and XenDesktop?Enables and extends the capabilities

21、of XA/XD to simplify and enhance the delivery of Windows desktops and applications (as a cloud service) to any user on any device over any networkWhat does this mean for XenApp and XenDesktop customers?Significantly less time, effort and money involved in the set up and administration of application

22、 and desktop virtualization deploymentsHow does this translate into operational value?Organizations maximize the value of their application and desktop delivery solutionsWhat Value Does Melio Bring to Citrix CustomersCitrix XenDesktopStoragePVS / DB / File-ServingSimplified image management and prot

23、ectionVM, image, database, and user profile availabilityPredictable, high-quality desktop experienceDynamic infrastructure scale-outCost-effective (multi-site) disaster recoveryReduced TCO (total cost of ownership)Challenges Image ManagementManaging server and desktop OS images with minimal time, ef

24、fort and resourcesRemoving single points of failure to avoid disruptions to user productivityScaling out infrastructure seamlesslyMinimizing infrastructure capex and opex costs“SANBOLIC MELIO UNIQUELY ADDRESSES PERFORMANCE AND AVAILABILITY ISSUES WITHOUT THE NECESSITY OF EXPENSIVE CAPITAL INVESTMENT

25、S IN PROPRIETARY HARDWARE.”David Hill, Founder and Principal Analyst, Mesabi Group.How Melio Solves these Challenges Allows all images to be stored in a single (shared) volume for simplified image management and maintenance Enables PVS HA to eliminate single points of failure Allows infrastructure t

26、o scale dynamically Consolidates infrastructure to reduce storage capacity requirements as well as administrative and operational costsMELIO SOLUTIONCitrix XenDesktopVDIStoragePVS ServersSQL Server environments are typically comprised of multiple server/storage silos that lead to database sprawlSign

27、ificant amount of time and effort required to manage and protect databasesTraditional database HA methods rely on active/passive disk access technology (failover clustering) or additional resources (compute and storage for SQL replication, SQL mirroring and log shipping) that increase deployment cos

28、t and complexity“SANBOLIC MELIO UNIQUELY ADDRESSES PERFORMANCE AND AVAILABILITY ISSUES WITHOUT THE NECESSITY OF EXPENSIVE CAPITAL INVESTMENTS IN PROPRIETARY HARDWARE.”David Hill, Founder and Principal Analyst, Mesabi Group.Challenges Database HA Consolidates SQL Servers around shared storage to redu

29、ce or eliminate database sprawl Simplifies database management and protection Uses distributed storage technology to enable database high availability and workload-distribution with minimal resources and lower cost Allows up to 2048 SQL Servers (any edition) to be clustered for database consolidatio

30、n and high availabilityMELIO SOLUTIONHow Melio Solves these ChallengesCitrix XenDesktopVDIStorageSQL ServersVDI user profiles frequently reside on file shares hosted by file servers or NAS (file-serving appliances)File servers introduce a single point of failure and limited to no scale out capabilit

31、yHardware-based file serving appliances introduce proprietary storage management and increased cost to scale (NAS clustering)As the number and size of user profiles grows, scale-out and performance issues arise“SANBOLIC MELIO UNIQUELY ADDRESSES PERFORMANCE AND AVAILABILITY ISSUES WITHOUT THE NECESSI

32、TY OF EXPENSIVE CAPITAL INVESTMENTS IN PROPRIETARY HARDWARE.”David Hill, Founder and Principal Analyst, Mesabi Group.Challenges User Profile HA Consolidates file servers around shared storage to create highly available, scalable, high-performing file serving clusters Eliminates single points of fail

33、ure Uses distributed storage technology to ensure user profile accessibility and enhanced performance via load-balancing of file requests across servers Allows infrastructure to scale out seamlessly by adding more file servers and/or storage capacity on the fly (without downtime)MELIO SOLUTIONHow Me

34、lio Solves these ChallengesCitrix XenDesktopVDIStorageFile ServersvDisks streamed to virtual desktopsvDisks streamed to virtual desktopsPVS ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVSData Store 1Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Multi-Site PVS-based XenDesktop DeploymentsStorag

35、eStoragePVSData Store 2vDisks streamed to virtual desktopsvDisks streamed to virtual desktopsPVS ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVSData Store 1Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Multi-Site PVS-based XenDesktop DeploymentsStorageStoragePVSData Store 2ReplicationvDisks st

36、reamed to virtual desktopsvDisks streamed to virtual desktopsPVS ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVSData Store 1Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Multi-Site PVS-based XenDesktop DeploymentsStorageStoragePVSData Store 2ReplicationvDisks streamed to virtual desktopsvDisks

37、 streamed to virtual desktopsPVS ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVSData Store 1Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Multi-Site PVS-based XenDesktop DeploymentsStorageStoragePVSData Store 2ReplicationvDisks streamed to virtual desktopsvDisks streamed to virtual desktopsPVS

38、 ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVSData Store 1Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Multi-Site PVS-based XenDesktop DeploymentsStorageStoragePVSData Store 2ReplicationvDisks streamed to virtual desktopsvDisks streamed to virtual desktopsPVS ServersSANSANvDisksSite 1Site 2

39、vDisksPVS ServersPVSData Store 1Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Multi-Site PVS-based XenDesktop DeploymentsStorageStoragePVSData Store 2ReplicationvDisks streamed to virtual desktopsvDisks streamed to virtual desktopsPVS ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVSData Store 1

40、Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Multi-Site PVS-based XenDesktop DeploymentsStorageStoragePVSData Store 2ReplicationXXXXXvDisks streamed to virtual desktopsvDisks streamed to virtual desktopsPVS ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVS Data Store(spans both sites)Drive X:Dr

41、ive X:Drive X:Drive X:Drive X:Drive X:Scenario: Multi-Site PVS-based XenDesktop DeploymentvDisks streamed to virtual desktopsvDisks streamed to virtual desktopsPVS ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVS Data Store(spans both sites)Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Scenario

42、: Multi-Site PVS-based XenDesktop DeploymentMirroringvDisks streamed to virtual desktopsvDisks streamed to virtual desktopsPVS ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVS Data Store(spans both sites)Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Scenario: Multi-Site PVS-based XenDesktop Dep

43、loymentMirroringvDisks streamed to virtual desktopsvDisks streamed to virtual desktopsPVS ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVS Data Store(spans both sites)Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Scenario: Multi-Site PVS-based XenDesktop DeploymentMirroringvDisks streamed to vi

44、rtual desktopsvDisks streamed to virtual desktopsPVS ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVS Data Store(spans both sites)Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Scenario: Multi-Site PVS-based XenDesktop DeploymentMirroringvDisks streamed to virtual desktopsvDisks streamed to virt

45、ual desktopsPVS ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVS Data Store(spans both sites)Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Scenario: Multi-Site PVS-based XenDesktop DeploymentMirroringvDisks streamed to virtual desktopsvDisks streamed to virtual desktopsPVS ServersSANSANvDisksSi

46、te 1Site 2vDisksPVS ServersPVS Data Store(spans both sites)Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Scenario: Multi-Site PVS-based XenDesktop DeploymentMirroringvDisks streamed to virtual desktopsvDisks streamed to virtual desktopsPVS ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVS Data S

47、tore(spans both sites)Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Scenario: Multi-Site PVS-based XenDesktop DeploymentMirroringvDisks streamed to virtual desktopsvDisks streamed to virtual desktopsPVS ServersSANSANvDisksSite 1Site 2vDisksPVS ServersPVS Data Store(spans both sites)Drive X:Drive X:Drive X:Drive X:Drive X:Drive X:Scenario: Multi-Site PVS-based XenDesktop DeploymentMirroringApplication ManagementStorage ManagementCo