GSM-47243
Executing this command may temporarily increase the number of full replicas for the specified replication unit beyond the shardgroup configuration.
The number of witness replicas for the specified replication unit must not exceed the witness count configured for the shardgroup.
If the target replica is already of the specified type, this command has no effect.
The number of witness replicas for the specified replication unit must not exceed the witness count configured for the shardgroup.
If the target replica is already of the specified type, this command has no effect.
Cause
GDSCTL help message.