Comment 6 for bug 1833019

Reviewed: https://review.opendev.org/665821
Committed: https://git.openstack.org/cgit/openstack/tripleo-heat-templates/commit/?id=5e70fa86918e7274e8ea02e79fa7a32e2ac22741
Submitter: Zuul
Branch: stable/stein

commit 5e70fa86918e7274e8ea02e79fa7a32e2ac22741
Author: Takashi Kajinami <email address hidden>
Date: Mon Jun 17 09:56:07 2019 +0900

    Disable iscsi.service to avoid iscsid on host from getting started

    When some stale shutdown happens on the node, iscsi.service detects
    remaining information about iscsi connection, and recovers connections
    based on the information, with starting iscsid service on host.
    This causes a collision between iscsid on host and iscsid in container,
    which makes iscsid container keep restarting.

    This patch makes sure that iscsi.service on host is disabled
    when we deploy iscsid container, to avoid iscsid on host is started
    unexpectedly.

    Change-Id: I6c36cd15edfa53c3c76be9095ff40cecf451490d
    Closes-Bug: #1833019
    (cherry picked from commit 0d67ecaf75d9375e2a88479514ce6cb7e910ec5e)