// Verify if we can employ autotune without running out of capacity,
	// if we do run out of capacity, make sure to turn-off autotuning
	// in such situations.
	if autotune {
		newConcurrent := concurrent + (concurrent+1)/2
		autoTunedCapacityNeeded := uint64(newConcurrent * size)
		if capacity < autoTunedCapacityNeeded {
			// Turn-off auto-tuning if next possible concurrency would reach beyond disk capacity.
			return true, false, ""
		}

	if !ok {
		data, err = loadBucketResyncMetadata(ctx, opts.bucket, objAPI)
		if err != nil {
			return err
		}
	}
	// validate if resync is in progress for this arn
	for tArn, st := range data.TargetsMap {
		if opts.arn == tArn && (st.ResyncStatus == ResyncStarted || st.ResyncStatus == ResyncPending) {
			return fmt.Errorf("Resync of bucket %s is already in progress for remote bucket %s", opts.bucket, opts.arn)
		}
	}