don't want to do linked clones, i will be refreshing a fair amount of servers, it's a hack job right now, but it's working....
$vmhd1 = Get-HardDisk -Datastore "BIS-02-FP2-130" -DatastorePath "[BIS-02-FP2-130] VFUNCEBSDT11/VFUNCEBSDT11_1.vmdk"
$vmhd1 | Copy-HardDisk -DestinationPath "[BIS-02-FP2-130] VDEVLEBSDB11/VDEVLEBSDB11_1.vmdk" -DestinationStorageFormat Thin -RunAsync