1 chrcrelationship 
2.0  -masterchange
2.0.1? 
2.0.1 master_change_vdisk_id
2.0.1 master_change_vdisk_name
2  -auxchange
2.1? 
2.1 aux_change_vdisk_id
2.1 aux_change_vdisk_name
2  -nomasterchange
2  -noauxchange
2  -name new_name_arg
2  -consistgrp
2.1 consist_group_id
2.1 consist_group_name
2  -noconsistgrp
2  -cycleperiodseconds period
2  -cyclingmode
2.1 none
2.1 multi
3? 
3  -global
3  -metro
4 rc_rel_id
4 rc_rel_name