serverPools := make(serverPoolsAvailableSpace, len(z.serverPools))

	storageInfos := make([][]*DiskInfo, len(z.serverPools))
	nSets := make([]int, len(z.serverPools))
	g := errgroup.WithNErrs(len(z.serverPools))
	for index := range z.serverPools {
		index := index
		// Skip suspended pools or pools participating in rebalance for any new

		objLayer.(*erasureServerPools).serverPools[0].erasureDisksMu.Lock()
		copy(disks, newDisks)
		objLayer.(*erasureServerPools).serverPools[0].erasureDisksMu.Unlock()
	}
	getDisk := func(n int) StorageAPI {
		objLayer.(*erasureServerPools).serverPools[0].erasureDisksMu.Lock()
		disk := disks[n]
		objLayer.(*erasureServerPools).serverPools[0].erasureDisksMu.Unlock()
		return disk
	}

	}

	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()

	if err != nil {
		removeRoots(fsDirs)
		return nil, nil, err
	}

	// Wait up to 10 seconds for disks to come online.
	pools := obj.(*erasureServerPools)
	t := time.Now()
	for _, pool := range pools.serverPools {
		for _, sets := range pool.erasureDisks {
			for _, s := range sets {
				if !s.IsLocal() {
					for {
						if s.IsOnline() {
							break
						}
						time.Sleep(100 * time.Millisecond)