In Huawei OceanStor V3, which of the following statements about cloning is correct? (Multiple choice)

In Huawei OceanStor V3, which of the following statements about cloning is correct? (Multiple choice)
A . There can only be one master LUN in a clone, and multiple slave LUN can be added, but the master LUN and all slave LUN are one pair
B . During the initial synchronization of the cloned master-slave LUN, the host service will be suspended to ensure data consistency
C . After the synchronization is completed, if there is a host IO write, it will be written to the primary LUN and the secondary LUN at the same time
D . After splitting and then synchronizing, incremental synchronization will be performed

Answer: CD