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VMware Horizon 6 Desktop Virtualization Solutions by Andre Leibovici, Jason Langone, Chuck Mills, Ryan Cartwright

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Storage overcommit

With the introduction of linked clone technology and the ability to specify when each virtual desktop is refreshed or recomposed, there is an opportunity to specify how much storage should be overcommitted to help reduce storage consumption.

Let's assume that not every virtual desktop will utilize the full provisioned storage at the same time, thereby leaving a gap for storage utilization and overallocation (overcommit).

During the desktop pool provisioning process, the administrator has the option to select Refresh OS Disk after logoff with one of the following options:

  • Never: If this option is selected, then virtual desktops will never execute the delta disk Refresh operation. The delta disk will grow with every block change ...

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