t.Fatalf("for %s: error: expected :%v , got: %v", tc.name, *inodes, *(metrics.Inodes))
				}
				if metrics.InodesUsed.Cmp(*usedInodes) != 0 {
					t.Fatalf("for %s: error: expected :%v , got: %v", tc.name, *usedInodes, *(metrics.InodesUsed))
				}
			}
		}
	}
}

// test GetMetrics with a volume that does not support stats
func TestGetMetricsDriverNotSupportStats(t *testing.T) {
	tests := []struct {

			updateResourceMetrics(driveSubsystem, totalBytes, float64(di.Total), labels, false)
			updateResourceMetrics(driveSubsystem, usedInodes, float64(di.UsedInodes), labels, false)
			updateResourceMetrics(driveSubsystem, totalInodes, float64(di.FreeInodes+di.UsedInodes), labels, false)
		}
	}
}

func collectLocalResourceMetrics() {

	m.Set(driveFreeBytes, float64(drive.AvailableSpace), labels...)
	m.Set(driveTotalBytes, float64(drive.TotalSpace), labels...)
	m.Set(driveUsedInodes, float64(drive.UsedInodes), labels...)
	m.Set(driveFreeInodes, float64(drive.FreeInodes), labels...)
	m.Set(driveTotalInodes, float64(drive.UsedInodes+drive.FreeInodes), labels...)

	var health float64
	switch drive.Healing {
	case true:
		health = driveHealthHealing
	case false:

			di.Minor = info.Minor
			di.RootDisk = info.RootDisk
			di.Healing = info.Healing
			di.Scanning = info.Scanning
			di.State = diskErrToDriveState(err)
			di.FreeInodes = info.FreeInodes
			di.UsedInodes = info.UsedInodes
			if info.Healing {
				if hi := disks[index].Healing(); hi != nil {
					hd := hi.toHealingDisk()
					di.HealInfo = &hd
				}
			}
			di.Metrics = &madmin.DiskMetrics{

//
// The above means that any added/deleted fields are incompatible.
//
//msgp:tuple DiskInfo
type DiskInfo struct {
	Total      uint64
	Free       uint64
	Used       uint64
	UsedInodes uint64
	FreeInodes uint64
	Major      uint32
	Minor      uint32
	NRRequests uint64
	FSType     string
	RootDisk   bool
	Healing    bool
	Scanning   bool
	Endpoint   string
	MountPath  string

		err = msgp.WrapError(err, "Free")
		return
	}
	z.Used, err = dc.ReadUint64()
	if err != nil {
		err = msgp.WrapError(err, "Used")
		return
	}
	z.UsedInodes, err = dc.ReadUint64()
	if err != nil {
		err = msgp.WrapError(err, "UsedInodes")
		return
	}
	z.FreeInodes, err = dc.ReadUint64()
	if err != nil {
		err = msgp.WrapError(err, "FreeInodes")
		return
	}

	info, err := s.diskInfoCache.Get()
	if err != nil {
		return false
	}
	if info.Used == 0 || info.UsedInodes == 0 {
		return false
	}
	return (float64(info.Free)/float64(info.Used)) < almostFilledPercent || (float64(info.FreeInodes)/float64(info.UsedInodes)) < almostFilledPercent
}

func (s *xlStorage) moveToTrash(filePath string, recursive, immediatePurge bool) (err error) {

	perDisk := size / int64(nDisks)
	for _, disk := range di {
		if disk == nil || disk.Total == 0 {
			continue
		}
		if !globalIsErasureSD && disk.FreeInodes < diskMinInodes && disk.UsedInodes > 0 {
			// We have an inode count, but not enough inodes.
			return false, nil
		}
		if int64(disk.Free) <= perDisk {
			return false, nil
		}
	}