}

	z := obj.(*erasureServerPools)
	er := z.serverPools[0].sets[0]

	erasureDisks := er.getDisks()
	ridx := rand.Intn(len(erasureDisks))

	z.serverPools[0].erasureDisksMu.Lock()
	er.getDisks = func() []StorageAPI {
		erasureDisks[ridx] = newNaughtyDisk(erasureDisks[ridx], nil, errFaultyDisk)
		return erasureDisks
	}
	z.serverPools[0].erasureDisksMu.Unlock()

	// Test all combinations!
	for pIdx, params := range qParamsArr {
		for vIdx, vars := range varsArr {
			_, err := extractHealInitParams(vars, params, bytes.NewReader([]byte(body)))
			isErrCase := false
			if pIdx < 4 || vIdx < 1 {
				isErrCase = true
			}

			if err != ErrNone && !isErrCase {
				t.Errorf("Got unexpected error: %v %v %v", pIdx, vIdx, err)
			} else if err == ErrNone && isErrCase {

func (h *sizeHistogram) mergeV1(v sizeHistogramV1) {
	var oidx, nidx int
	for oidx < len(v) {
		intOld, intNew := ObjectsHistogramIntervalsV1[oidx], ObjectsHistogramIntervals[nidx]
		// skip intervals that aren't common to both histograms
		if intOld.start != intNew.start || intOld.end != intNew.end {
			nidx++
			continue
		}
		h[nidx] += v[oidx]
		oidx++
		nidx++
	}
}

				return
			}
		}
		var pool *erasureSets
		for pidx := range z.serverPools {
			if pidx == idx {
				pool = z.serverPools[idx]
				break
			}
		}
		if pool == nil {
			// We didn't find any matching pools, invalid input
			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errInvalidArgument), r.URL)
			return
		}

		poolIndices = append(poolIndices, idx)
	}

			}
		}

		if found != nil && found.ETag != "" && partMetaQuorumMap[maxETag] >= readQuorum {
			partInfosInQuorum[pidx] = *found
			continue
		}
		partInfosInQuorum[pidx] = ObjectPartInfo{
			Number: partNumbers[pidx],
			Error: InvalidPart{
				PartNumber: partNumbers[pidx],
			}.Error(),
		}

	}
	return partInfosInQuorum, nil
}

	// Closure to handle TCPListener until done channel is closed.
	handleListener := func(idx int, listener net.Listener) {
		for {
			conn, err := listener.Accept()
			send(acceptResult{conn, err, idx})
		}
	}

	// Start separate goroutine for each TCP listener to handle connection.
	for idx, tcpListener := range listener.listeners {
		go handleListener(idx, tcpListener)
	}
}

	var wg sync.WaitGroup
	for idx, pool := range z.serverPools {
		if z.IsSuspended(idx) {
			continue
		}
		wg.Add(1)
		go func(idx int, pool *erasureSets) {
			defer wg.Done()
			result, err := pool.HealObject(ctx, bucket, object, versionID, opts)
			result.Object = decodeDirObject(result.Object)
			errs[idx] = err
			results[idx] = result
		}(idx, pool)
	}
	wg.Wait()

		p.Pools[idx].LastUpdate = UTCNow()
		p.Pools[idx].Decommission.StartTime = time.Time{}
		p.Pools[idx].Decommission.Complete = false
		p.Pools[idx].Decommission.Failed = true
		p.Pools[idx].Decommission.Canceled = false
		return true
	}
	return false
}

func (p *poolMeta) DecommissionCancel(idx int) bool {
	if p.Pools[idx].Decommission != nil && !p.Pools[idx].Decommission.Canceled {

	if len(dir) == 0 {
		// Root
		idx := strings.Index(e.name, separator)
		return idx == -1 || idx == len(e.name)-len(separator)
	}
	ext := strings.TrimPrefix(e.name, dir)
	if len(ext) != len(e.name) {
		idx := strings.Index(ext, separator)
		// If separator is not found or is last entry, ok.
		return idx == -1 || idx == len(ext)-len(separator)
	}
	return false
}

	for idx, client := range sys.peerClients {
		idx := idx
		client := client
		g.Go(func() error {
			if client == nil {
				return errPeerOffline
			}
			res, err := client.HealBucket(ctx, bucket, opts)
			if err != nil {
				return err
			}
			healBucketResults[idx] = res
			return nil
		}, idx)
	}

	errs = g.Wait()