def METHOD_NAME(self):
    if hasattr(self, "lunmap"):
        return
    self.lunmap = {}
    if not which("scsimgr"):
        return
    cmd = ["scsimgr", "lun_map"]
    p = Popen(cmd, stdout=PIPE, stderr=PIPE)
    out, err = p.communicate()
    if p.returncode:
        return
    """
    LUN PATH INFORMATION FOR LUN : /dev/rdisk/disk10