如何管理Citrix虛擬桌面和應用

1、如何管理Citrix虛擬桌面和應用Managing Desktops and ApplicationsArchitecture OverviewSetting Up ResourcesCreating the Machine CatalogManaging Machine CatalogsManaging Delivery GroupsManaging Delivery GroupsStoreFront CommunicationDecision Point What type of resource?Management Cost +Infrastructure CostEND USER F

2、LEXIBILITYHosted SharedPooled VDIPersonal VDIDedicated VDIManaged PCUn-managed PCHosted AppLine of Business AppDedicated VDIImageImageImageProfileProfileProfilePooled DesktopBase Image with AppsProfileProfileBase Image with AppsProfilePersonal VDI with full personalizationBase ImageAppProfileAppProf

3、ileAppProfilePvDPvDPvDMaintains Single Image ManagementMachine Creation ServicesStorageAMaster VMMaster VMImageABBBBidentitydiff diskMachine Creation Services (MCS)HypervisorAACopyImage Prep PhaseMachine Creation Services: How it worksVMMaster DiskVMVMDiff DiskId DiskDiff DiskId DiskDiff DiskId Disk

4、StorageOne copy of the base image shared by all VMsSpace reclaimed every bootPersistent Identity uses little spaceCreating Catalog (Pooled)1 Master is selectedMaster7 GBTemplate StorageDesktop StorageBaseDisk7 GBcopyMasterSnap0 bytesnapshotDIFF0 byteDIFF0 byteIDENT16 MBIDENT16 MBCreating Catalog (Po

5、oled)2 Snapshot of master is created (automatically)In case Snapshot is selected in step 1 already, this step 2 is not done as the original snapshot will be usedDuration: few secondsMaster7 GBTemplate StorageDesktop StorageBaseDisk7 GBcopyMasterSnap0 bytesnapshotDIFF0 byteDIFF0 byteIDENT16 MBIDENT16

6、 MBCreating Catalog (Pooled)3 Snapshot is copied to target storage (automatically)Duration: some minutes(full copy)Master7 GBTemplate StorageDesktop StorageBaseDisk7 GBcopyMasterSnap0 bytesnapshotDIFF0 byteDIFF0 byteIDENT16 MBIDENT16 MBCreating Catalog (Pooled)4 DIFF and IDENTITY disks are created o

7、n target storage (automatically)Duration: few seconds(depends on VM#)Master7 GBTemplate StorageDesktop StorageBaseDisk7 GBcopyMasterSnap0 bytesnapshotDIFF0 byteDIFF0 byteIDENT16 MBIDENT16 MBXenServer space handlingMasterTemplate StorageDesktop StorageSnapCopycopyMasterSnapsnapshotDIFFLVM(iSCSI/FC)Fu

8、ll space24GBSnapshotUsed space7GBCopy of snapshotFull copy24GBDiff disk 1 = Snapshot 7GB (negligible)Diff disk 2.n =Full copy 24 GBCalculation!VHD(EXT3 / NFS)Used space7GBSnapshot0GBCopy of snapshotUsed space7GBDiff disk 1.nSnapshot0GBBut growing during use!Example:Win7 VM7GB of 24GB utilizedFirst b

9、oot of Win 7 VMDiff disk is filled with write data during VM bootDesktop StorageBaseDisk7 GBDIFF380 MBIDENT16 MBShutdown of Win 7 VMDuring shutdown Diff disk is filled with write dataDiff disk stays on storage (e.g. for analysis)Desktop StorageBaseDisk7 GBDIFF675 MBIDENT16 MBBoot again Win 7 VMFirst diff disk is deletedNew diff disk is generated and used for boot write dataNote: W