Older versions of iscsiadm didn't support the "-P 0" flag to the
"iscsiadm
--mode session" command. However, just running "iscsiadm --mode session"
seems
to work on all version of iscsiadm commands back to FC-6, so just use that.
Changes since last time:
None
Signed-off-by: Chris Lalancette <clalance(a)redhat.com>