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Create, full establish, or full restore operations between a GCM device and a non-GCM device result in the device that is the target of the data copy having its GCM attribute changed to match the GCM attribute setting of the device that is the source of the data copy.
When the source and target devices are the same physical size, and the source of a clone session is a GCM device and the target device is not, then the Clone to Larger Target rules are enforced.