if err := r.load(ctx, z.serverPools[0]); err == nil {
		z.rebalMu.Lock()
		z.rebalMeta = r
		z.updateRebalanceStats(ctx)
		z.rebalMu.Unlock()
	} else if !errors.Is(err, errConfigNotFound) {
		rebalanceLogIf(ctx, fmt.Errorf("failed to load rebalance metadata, continue to restart rebalance as needed: %w", err))
	}
	return nil
}

// updates rebalance.bin from let's say 2 pool setup in the middle