GSM-45786
This command cannot be used to replace a DG primary or standby.
To replace a DG standby, it needs to be removed from the shardgroup and another standby cloned
from the primary added. To replace a primary its role needs to be changed to standby first.
If there is no standby, a primary database cannot be replaced.
To replace a DG standby, it needs to be removed from the shardgroup and another standby cloned
from the primary added. To replace a primary its role needs to be changed to standby first.
If there is no standby, a primary database cannot be replaced.
Cause
GDSCTL help message.