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An instant-clone desktop pool is an automated desktop pool. An instant-clone desktop pool is based on a parent VM in vCenter Server, known as the master image. For instant-clone desktops, a parent VM is an internal VM that Horizon 7 creates and maintains, which is based on the master image. You cannot modify this internal parent VM. However, you can make changes to the master image.

Instant clones share a virtual disk of the master image and therefore consume less storage than full VMs. In addition, instant clones share the memory of the master image. Instant clones are created using the vmFork technology.

 

An instant-clone desktop pool has the following key characteristics:

  • Faster provisioning 

  • Created in a powered-on state, ready for users to connect to.

  • For dedicated instant-clone desktop pools, users are assigned a particular remote desktop and return to the same desktop at each login. When a user logs out, a resync operation on the master image retains the VM name and the Mac IP address of the VM after logoff.

  • For floating instant-clone desktop pools, users are assigned random desktops from the pool. When a user logs out, the desktop VM is deleted. New clones are created according to the provisioning policy, which can be on-demand or up-front.

  • With the push-image operation, you can re-create the pool from any snapshot of any master image. You can use a push image to roll out operating system and application patches.

  • When clones are created, Horizon 7 selects a datastore to achieve the best distribution of the clones across the datastores. No manual rebalancing is necessary.