'svctask rmvdiskhostmap -host <host> <vdisk_name>'

def _cmd_rmvdiskhostmap(self, **kwargs):

    if (('host' not in kwargs) or ('obj' not in kwargs)):
        return self._errors['CMMVC50000']
    host = kwargs['host'].strip('\'"')
    vdisk = kwargs['obj'].strip('\'"')
    mapping_ids = []
    for v in self._mappings_list.values():
        if (v['vol'] == vdisk):
            mapping_ids.append(v['id'])
    if (not mapping_ids):
        return self._errors['CMMVC50000']
    this_mapping = None
    for mapping_id in mapping_ids:
        if (self._mappings_list[mapping_id]['host'] == host):
            this_mapping = mapping_id
    if (this_mapping is None):
        return self._errors['CMMVC50000']
    del self._mappings_list[this_mapping]
    return ('', '')
