leaving blocker flag on this one as it's been fixed in osp7
Environment: openstack-tripleo-heat-templates-0.8.8-2.el7ost.noarch overcloud-cephstorage-0.localdomain InitiatorName=iqn.1994-05.com.redhat:bb619b9768b4 overcloud-novacompute-1.localdomain InitiatorName=iqn.1994-05.com.redhat:1c2e6fbed3b5 overcloud-novacompute-0.localdomain InitiatorName=iqn.1994-05.com.redhat:7bb9bfaa8fae overcloud-controller-2.localdomain InitiatorName=iqn.1994-05.com.redhat:bb619b9768b4 overcloud-controller-0.localdomain InitiatorName=iqn.1994-05.com.redhat:bb619b9768b4 overcloud-controller-1.localdomain InitiatorName=iqn.1994-05.com.redhat:bb619b9768b4 The name is unique on all computes, which is what the bug is about. Attached a cinder volume to an instance and successfully live migrated the instance to another compute node.
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, 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://rhn.redhat.com/errata/RHEA-2016-0604.html