VMware vSphere SDKs and Tools 6.7

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Creating a Linked Virtual Machine From a Snapshot

You first create a snapshot, and then create the linked virtual machine from the snapshot.
  1. To create the snapshot, call the
    CreateSnapshot_Task
     method for the virtual machine. The virtual machine can be in any power state. The following pseudo code creates a snapshot named
    snap1
    . The code does not include a memory dump. VMware Tools is used to quiesce the file system in the virtual machine if the virtual machine is powered on. 
    myVm.CreateSnapshot("snap1", "snapshot for creating linked virtual machines", False, True)
  2. To create the linked virtual machine, specify the snapshot you created and use a
    VirtualMachineRelocateDiskMoveOptions.diskMoveType
     of
    createNewDeltaDiskBacking
    , as illustrated in Creating a Linked Virtual Machine from a Snapshot. Creating linked virtual machines from a snapshot works with virtual machines in any power state.
Creating a Linked Virtual Machine from a Snapshot
relSpec = new VirtualMachineRelocateSpec()
relSpec.diskMoveType = VirtualMachineRelocateDiskMoveOptions.createNewChildDiskBacking

cloneSpec = new VirtualMachineCloneSpec()
cloneSpec.powerOn = False
cloneSpec.template = False
cloneSpec.location = relSpec
cloneSpec.snapshot = myVm.snapshot.currentSnapshot

myVm.Clone(myVm.parent, myVm.name + "-clone", cloneSpec)
The result is a virtual machine with the same base disk as the original, but a new delta disk backing.
Creating a Linked Virtual Machine from a Snapshot

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