Verified on: openstack-tripleo-heat-templates-11.6.1-2.20220409014848.7c89b16.el8ost.noarch tripleo-ansible-0.8.1-2.20220406160113.2d0ab9a.el8ost.noarch Successfully deployed a netapp iSCSI backed multipath deployment via THT template. After initial deployment completed, I had added a customized multipath config and updated the overcloud. Which again resulted in a successful deployment, including customization of multipath config. Good to verify.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Release of components for Red Hat OpenStack Platform 16.2.3 (Train)), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2022:4793