portal, iqn, err := extractPortalAndIqn(devicePath)
	if err != nil || portal != "127.0.0.1:3260" || iqn != "iqn.2014-12.com.example:test.tgt00" {
		t.Errorf("extractPortalAndIqn: got %v %s %s", err, portal, iqn)
	}
	devicePath = "127.0.0.1:3260-eui.02004567A425678D-lun-0"
	portal, iqn, err = extractPortalAndIqn(devicePath)

	}

	// Obtain iscsi disk configurations from globalPDPath
	device, _, err := extractDeviceAndPrefix(globalPDPath)
	if err != nil {
		return volume.ReconstructedVolume{}, err
	}
	bkpPortal, iqn, err := extractPortalAndIqn(device)
	if err != nil {
		return volume.ReconstructedVolume{}, err
	}
	arr := strings.Split(device, "-lun-")
	if len(arr) < 2 {

		// This portal/iqn/iface is no longer referenced, log out.
		// Extract the portal and iqn from device path.
		bkpPortal = make([]string, 1)
		bkpPortal[0], iqn, err = extractPortalAndIqn(device)
		if err != nil {
			return err
		}
		// Extract the iface from the mountPath and use it to log out. If the iface
		// is not found, maintain the previous behavior to facilitate kubelet upgrade.