If you are using a logical volume on an HDLM device, you must deactivate the volume group before re-installing or upgrading HDLM.
Unmount the logical volume on the HDLM device.
In the following example, the logical volume subject to the move has been mounted on /mnt/lvol1:
# umount /mnt/lvol1
Deactivate the volume group.
In the following example, the logical volume subject to the move belongs to the vg01 volume group:
# vgchange -an vg01 0 logical volume(s) in volume group "vg01" now active