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RECOMMENDATION FOR IMPLEMENTATION OF XenApp VIRTUALZIACIÓN IN AN ENVIRONMENT OF VMWARE

El presente documento es una recopilación de best practices for implementing XenApp virtual machines hosted on VMware ESX.

1. Installing VMWare Tools: Improved performance of the virtual machine.

a. Do not install the "Memory control driver" because it causes overload on the virtual machine.


b. Do not install Shared Folders: It causes problems when using Roaming Profiles. In the case of being necessary to install, check the following registry path:

HKEY_LOCAL_MACHINE \\ SYSTEM \\ CurrentControlSet \\ Control \\ NetworkProvider \\ Order \\

ProviderOrder Find the key and modify it by deleting the word "Hgfs" the value found.

http://kb.vmware.com/selfservice/dynamickc.do?cmd=show&forward=nonthreadedKC&docType=kc&externalId=1317&sliceId=2&stateId=0% 200% 202860994

2. Disconnect the CD-ROM: This is constantly consulting, consuming unnecessary processor cycles.

3. Eliminate visual effects of virtual machines: Accelerates the response time given to the user.

4. Make a regular disk defragmentation to improve virtual machine performance.

5. Disable COM ports: When used, using additional processing cycles.

6. Make sure the virtual machine always has the RAM needed, if necessary perform a memory allocation per virtual machine Citrix XenApp.

7. It is very important to be careful with sobrecomisionamiento of processing cores, if the physical machine hosts many virtual machines with high demands on processing, it will show problems in scalability and performance of Citrix XenApp virtual machines. If you share processing resources with other machines, it is necessary to ensure that virtual machines have a capacity for growth sufficient and guaranteed to make use of it when we needed. In our experience, we found a better performance of Citrix XenApp virtual machines to allocate dedicated processing cores.

8. If this clone servers have the following Citrix support article http://support.citrix.com/article/CTX107406

9. It is recommended to manually add the following line to the VMX file of each VM Citrix XenApp

workload = "TerminalServices"

parameter must be validated according to version VMWare used.

10. For machines that run a large number of context switches is recommended to manually add the machine VMX file the following parameter:

Monitor.idleLoopSpinUS = "n"

where n is a number between 1 and 4000, our experience is well with the value 500. For detailed information on this point see the following links:

http://www.vmware.com/pdf/WS6_Performance_Tuning_and_Benchmarking.pdf
http://kb.vmware.com/selfservice/microsites/search.do? language = en_US & cmd = displayKC & external = 1730

11. It is necessary to verify that the HAL virtual machine is properly configured according to the number of processor cores you have the machine.

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1077

12. You should not use P2V Citrix XenApp server. Make clean facilities.

13. UPHClean installed in virtual machines.

14. Apply policies to redirect my documents, application data and desktop.

15. Limit el tamaño de los archivos temporales de Internet.

Vínculos Recomendados:

http://www.stefanschuller.com/guides/guide-optimize-performance-citrix-vmware-esx.html
http://www.vmware.com/pdf/esx2_citrix_planning.pdf
http://virtrix.blogspot.com/2007/03/vmware-best-practices-for-deploying.html