return
	}

	writeSuccessResponseJSON(w, b)
	// Notify peers to load rebalance.bin and start rebalance routine if they happen to be
	// participating pool's leader node
	globalNotificationSys.LoadRebalanceMeta(ctx, true)
}

func (a adminAPIHandlers) RebalanceStatus(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

	objectAPI, _ := validateAdminReq(ctx, w, r, policy.RebalanceAdminAction)

	if pools, ok := objAPI.(*erasureServerPools); ok {
		pools.StopRebalance()
	}
}

// LoadRebalanceMeta notifies all peers to load rebalance.bin from object layer.
// Note: Only peers participating in rebalance operation, namely the first node
// in each pool will load rebalance.bin.
func (sys *NotificationSys) LoadRebalanceMeta(ctx context.Context, startRebalance bool) {
	ng := WithNPeers(len(sys.peerClients))

	PoolStats       []*rebalanceStats  `msg:"rss"`    // Per-pool rebalance stats keyed by pool index
}

var errRebalanceNotStarted = errors.New("rebalance not started")

func (z *erasureServerPools) loadRebalanceMeta(ctx context.Context) error {
	r := &rebalanceMeta{}
	if err := r.load(ctx, z.serverPools[0]); err == nil {
		z.rebalMu.Lock()
		z.rebalMeta = r
		z.updateRebalanceStats(ctx)
		z.rebalMu.Unlock()

	conn := client.gridConn()
	if conn == nil {
		return nil
	}
	_, err := stopRebalanceRPC.Call(ctx, conn, grid.NewMSSWith(map[string]string{}))
	return err
}

func (client *peerRESTClient) LoadRebalanceMeta(ctx context.Context, startRebalance bool) error {
	conn := client.gridConn()
	if conn == nil {
		return nil
	}
	_, err := loadRebalanceMetaRPC.Call(ctx, conn, grid.NewMSSWith(map[string]string{

// in 'pool.bin', this is eventually used for decommissioning the pool.
func (z *erasureServerPools) Init(ctx context.Context) error {
	// Load rebalance metadata if present
	if err := z.loadRebalanceMeta(ctx); err == nil {
		// Start rebalance routine if we can reload rebalance metadata.
		z.StartRebalance()
	}

	meta := poolMeta{}
	if err := meta.load(ctx, z.serverPools[0], z.serverPools); err != nil {