func (er erasureObjects) listAndHeal(ctx context.Context, bucket, prefix string, recursive bool, scanMode madmin.HealScanMode, healEntry func(string, metaCacheEntry, madmin.HealScanMode) error) error {
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

	disks, _ := er.getOnlineDisksWithHealing(false)
	if len(disks) == 0 {
		return errors.New("listAndHeal: No non-healing drives found")
	}

			if opts.Set != nil && *opts.Set != idx {
				continue
			}
			wk.Take()
			go func(idx int, set *erasureObjects) {
				defer wk.Give()

				errs[idx] = set.listAndHeal(ctx, bucket, prefix, opts.Recursive, opts.ScanMode, healEntry)
			}(idx, set)
		}
		wk.Wait()
		poolErrs[idx] = errs
	}
	for _, errs := range poolErrs {
		for _, err := range errs {