Full log of point of failure TASK [gluster.infra/roles/backend_setup : Create VDO with specified size] ****** task path: /etc/ansible/roles/gluster.infra/roles/backend_setup/tasks/vdo_create.yml:9 failed: [gfs1.gluster.private] (item={u'writepolicy': u'auto', u'name': u'vdo_sdb', u'readcachesize': u'20M', u'readcache': u'enabled', u'emulate512': u'on', u'logicalsize': u'11000G', u'device': u'/dev/sdb', u'slabsize': u'32G', u'blockmapcachesize': u'128M'}) => {"ansible_loop_var": "item", "changed": false, "err": "vdo: ERROR - Device /dev/sdb excluded by a filter.\n", "item": {"blockmapcachesize": "128M", "device": "/dev/sdb", "emulate512": "on", "logicalsize": "11000G", "name": "vdo_sdb", "readcache": "enabled", "readcachesize": "20M", "slabsize": "32G", "writepolicy": "auto"}, "msg": "Creating VDO vdo_sdb failed.", "rc": 1} failed: [gfs2.gluster.private] (item={u'writepolicy': u'auto', u'name': u'vdo_sdb', u'readcachesize': u'20M', u'readcache': u'enabled', u'emulate512': u'on', u'logicalsize': u'11000G', u'device': u'/dev/sdb', u'slabsize': u'32G', u'blockmapcachesize': u'128M'}) => {"ansible_loop_var": "item", "changed": false, "err": "vdo: ERROR - Device /dev/sdb excluded by a filter.\n", "item": {"blockmapcachesize": "128M", "device": "/dev/sdb", "emulate512": "on", "logicalsize": "11000G", "name": "vdo_sdb", "readcache": "enabled", "readcachesize": "20M", "slabsize": "32G", "writepolicy": "auto"}, "msg": "Creating VDO vdo_sdb failed.", "rc": 1} failed: [gfs3.gluster.private] (item={u'writepolicy': u'auto', u'name': u'vdo_sdb', u'readcachesize': u'20M', u'readcache': u'enabled', u'emulate512': u'on', u'logicalsize': u'11000G', u'device': u'/dev/sdb', u'slabsize': u'32G', u'blockmapcachesize': u'128M'}) => {"ansible_loop_var": "item", "changed": false, "err": "vdo: ERROR - Device /dev/sdb excluded by a filter.\n", "item": {"blockmapcachesize": "128M", "device": "/dev/sdb", "emulate512": "on", "logicalsize": "11000G", "name": "vdo_sdb", "readcache": "enabled", "readcachesize": "20M", "slabsize": "32G", "writepolicy": "auto"}, "msg": "Creating VDO vdo_sdb failed.", "rc": 1} NO MORE HOSTS LEFT ************************************************************* NO MORE HOSTS LEFT ************************************************************* PLAY RECAP ********************************************************************* gfs1.gluster.private : ok=12 changed=1 unreachable=0 failed=1 skipped=9 rescued=0 ignored=0 gfs2.gluster.private : ok=13 changed=2 unreachable=0 failed=1 skipped=9 rescued=0 ignored=0 gfs3.gluster.private : ok=12 changed=1 unreachable=0 failed=1 skipped=9 rescued=0 ignored=0 Please check /var/log/cockpit/ovirt-dashboard/gluster-deployment.log for more informations.