for poolIdx, erasureSet := range z.serverPools {
		for setIdx, set := range erasureSet.sets {
			listOut := make(chan metaCacheEntry, 1)
			entries = append(entries, listOut)
			disks, infos, _ := set.getOnlineDisksWithHealingAndInfo(true)
			if len(disks) == 0 {
				xioutil.SafeClose(results)
				err := fmt.Errorf("Walk: no online disks found in (set:%d pool:%d) %w", setIdx, poolIdx, errErasureReadQuorum)
				cancelCause(err)