VMware VIEW 4.5 - GUIDE DE MISE A NIVEAU Guía de instalación descargar pdf (Pagina 50)

2 For pools composed of Windows 7 or 8 desktops, to use the 3D rendering feature available with View

5.0 and later, edit the pool to configure the following settings:

Set the pool to use the PCoIP display protocol.

Set Allow users to choose protocol to No.

Turn on the 3D Renderer feature.

This feature is available for Windows 7 and 8 desktops that use virtual hardware version 8 or later,

available with vSphere 5 or later.

3 To enable the space reclamation feature available with vSphere 5.1 virtual machines, in the Advanced

Storage section of pool settings, select Reclaim VM disk space, and set the threshold for space

reclamation to 1GB.

4 To enable View Storage Accelerator, available with vSphere 5.0 or later virtual machines, in the

Advanced Storage section of pool settings, verify that the Use View Storage Accelerator check box is

selected.

View Storage Accelerator can improve performance during boot storms and anti-virus scanning I/O

storms by allowing ESXi 5.0 and later hosts to cache common virtual machine disk data.

IMPORTANT In Horizon View 5.2 and later, this feature is turned on by default. View Storage

Accelerator requires 1GB of RAM per ESXi host.

5 Use the snapshot you created after upgrading the parent virtual machine to recompose desktop pools.

6 If you changed the Refresh OS disk on logoff setting for a pool to Never in preparation for the

upgrade, change the setting back to reflect the appropriate refresh policy.

7 If you canceled any refresh or recompose operations for any desktop pools, schedule the tasks again.

What to do next

Upgrade View Clients. See “Upgrade View Clients,” on page 51 and “Upgrade View Local Mode Clients,”

on page 52.

Tasks for Upgrading Pools to Use Space Reclamation

Starting with vSphere 5.1, Horizon View creates linked-clone virtual machines in an efficient disk format

that allows ESXi hosts to reclaim unused disk space in the linked clones. Upgrading pools to use this feature

involves changing settings in vCenter Server, View LDAP, and pool settings and then recomposing the pool.

Although the space reclamation feature reduces the amount of disk space used for a virtual machine, it can

reclaim only space that is not used. This feature cannot reclaim disk space created by virtual machines that

have not been optimized. To optimize an operating system image, you can turn off Windows services such

as the indexer service, the defragmenter service, and restore points. For details, see the topics "Optimize

Windows Guest Operating System Performance," "Optimize Windows 7 and Windows 8 Guest Operating

System Performance," and "Optimizing Windows 7 and Windows 8 for Linked-Clone Desktops," in the

VMware Horizon View Administration documentation.

IMPORTANT Because this procedure involves recomposing the desktop pool, any changes that end users

have made to the operating system disk will be lost.

1 If all vCenter Server instances and ESXi hosts for the pool are not at VMware vSphere 5.1 or later,

upgrade them to 5.1 or later.

For instructions, see the VMware vSphere Upgrade Guide.

VMware Horizon View Upgrades

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VMware VIEW 4.5 - GUIDE DE MISE A NIVEAU Guía de instalación Pagina 50