如何管理Citrix虚拟桌面和应用

Profile
Profile
Base Image with Apps
11
Personal VDI with full personalization
App PvD Profile
App PvD Profile
Baidu NhomakorabeaBase Image
App PvD Profile
Maintains Single Image Management
Diff Disk
Master Disk
One copy of the base image shared by all VMs
15
Creating Catalog (Pooled)
DIFF 0 byte IDENT 16 MB
[1] Master is selected
DIFF 0 byte
IDENT 16 MB
5
Managing Delivery Groups
6
Managing Delivery Groups
7
StoreFront Communication
8
Decision Point – What type of resource?
Line of Business App Un-managed PC Dedicated VDI Pooled VDI Personal VDI
Base Disk 7 GB
Template Storage
Desktop Storage
18
Creating Catalog (Pooled)
DIFF 0 byte IDENT 16 MB

[4] DIFF and IDENTITY disks are created on target storage (automatically) Duration: few seconds (depends on VM#)
如何管理Citrix虚拟桌面和应用
Managing Desktops and Applications
Architecture Overview
2
Setting Up Resources
3
Creating the Machine Catalog
4
Managing Machine Catalogs
Master 7 GB
DIFF 0 byte
IDENT 16 MB
copy snapshot
Master Snap 0 byte
Base Disk 7 GB

Template Storage
Desktop Storage
19
XenServer space handling
Example: Win7 VM 7GB of 24GB utilized
12
Machine Creation Services
13
Machine Creation Services (MCS)
Hypervisor
Master VM
A
A’
B
B
B
B
Image Prep Phase
Master VM Image
A
Copy
A’
Storage
diff disk identity
14
Machine Creation Services: How it works
VM
VM
VM
Storage
Id Disk
Persistent Identity uses little space
Diff Disk
Id Disk
Diff Disk
Id Disk
Space reclaimed every boot
copy
Master 7 GB
snapshot
Master Snap 0 byte
Base Disk 7 GB
Template Storage
Desktop Storage
16
Creating Catalog (Pooled)
DIFF 0 byte IDENT 16 MB

[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 used Duration: few seconds
copy
Master 7 GB

DIFF 0 byte
IDENT 16 MB
snapshot
Master Snap 0 byte
Base Disk 7 GB

Template Storage
Desktop Storage
17
Creating Catalog (Pooled)
DIFF 0 byte IDENT 16 MB

[3] Snapshot is copied to target storage (automatically) Duration: some minutes (full copy)
copy
Master 7 GB
DIFF 0 byte
IDENT 16 MB

snapshot
Master Snap 0 byte
20
VHD (EXT3 / NFS)
Used space 7GB
Snapshot ~0GB
copy
Master
snapshot
Master Snap
Snap Copy
DIFF
Template Storage
Full space LVM (iSCSI/FC) 24GB Snapshot Used space 7GB
Desktop Storage
Copy of snapshot Full copy 24GB Diff disk 1 = Snapshot 7GB (negligible) Diff disk 2...n = Full copy 24 GB Calculation!!! Diff disk 1...n Snapshot ~0GB But growing during use!
Managed PC
Management Cost + Infrastructure Cost
Hosted Shared
Hosted App
END USER FLEXIBILITY
9
Dedicated VDI
Image
Image
Image
10
Pooled Desktop
Profile
Base Image with Apps