BCV : How to check the status of disk in business copy set-up

Sometime it needed to verify the status of disk in BCV
# pairdisplay -g vg_drcq_data -fxcd -IBC0

0 - horcm instance number
vg_drcq_data - BCV group

Below screenshot show disk are in copy status

pairdisplay

Below screenshot show disk are in pair status