return
	}

	if z.IsDecommissionRunning() {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errDecommissionAlreadyRunning), r.URL)
		return
	}

	if z.IsRebalanceStarted() {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminRebalanceAlreadyStarted), r.URL)
		return
	}

	vars := mux.Vars(r)
	v := vars["pool"]
	byID := vars["by-id"] == "true"

}

func (r *rebalanceMeta) save(ctx context.Context, store objectIO) error {
	return r.saveWithOpts(ctx, store, ObjectOptions{})
}

func (z *erasureServerPools) IsRebalanceStarted() bool {
	z.rebalMu.RLock()
	defer z.rebalMu.RUnlock()

	if r := z.rebalMeta; r != nil {
		if r.StoppedAt.IsZero() {
			return true
		}
	}
	return false
}