stmsboot man page; not clear what the -E option does.

Running

                   Oracle Solaris 10 9/10 s10s_u9wos_14a SPARC
     Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
                            Assembled 11 August 2010

and trying to use stmsboot.  Man page indicates

SYNOPSIS
     /usr/sbin/stmsboot [[-D (fp | mpt | mpt_sas | iscsi) ] -d | -e | -u]
           | -L | -l controller_number]

but further down it says

OPTIONS
     The following options are supported:

     -e [ -E fp | mpt | mpt_sas | iscsi ]

         Enables  Solaris  I/O  multipathing  on  all   supported
         multipath-capable  controller  ports,  including fp(7D),
         mpt(7D),  mpt_sas(7D),  and  iscsi(7D)   port   drivers.
         Multipath-capable  ports  include fibre channel (fp(7D))
         controller ports and SAS (mpt(7D) or  mpt_sas(7D))  con-