Good Morning, I'm completely new to this and I'm testing setting up a Gluster environment with Ovirt. However, my deployment keeps fails and I don't understand what it means. Any assistance would be much appreciated. Please see error below... Error Message TASK [gluster.infra/roles/backend_setup : Create volume groups] **************** failed: [ov1.test1.lan] (item={u'vgname': u'gluster_vg_sdb', u'pvname': u'/dev/sdb'}) => {"changed": false, "err": " /dev/sdb: open failed: No medium found\n Device /dev/sdb excluded by a filter.\n", "item": {"pvname": "/dev/sdb", "vgname": "gluster_vg_sdb"}, "msg": "Creating physical volume '/dev/sdb' failed", "rc": 5} failed: [ov3.test1.lan] (item={u'vgname': u'gluster_vg_sdb', u'pvname': u'/dev/sdb'}) => {"changed": false, "err": " /dev/sdb: open failed: No medium found\n Device /dev/sdb excluded by a filter.\n", "item": {"pvname": "/dev/sdb", "vgname": "gluster_vg_sdb"}, "msg": "Creating physical volume '/dev/sdb' failed", "rc": 5} failed: [ov2.test1.lan] (item={u'vgname': u'gluster_vg_sdb', u'pvname': u'/dev/sdb'}) => {"changed": false, "err": " /dev/sdb: open failed: No medium found\n Device /dev/sdb excluded by a filter.\n", "item": {"pvname": "/dev/sdb", "vgname": "gluster_vg_sdb"}, "msg": "Creating physical volume '/dev/sdb' failed", "rc": 5} NO MORE HOSTS LEFT ************************************************************* NO MORE HOSTS LEFT ************************************************************* to retry, use: --limit @/usr/share/cockpit/ovirt-dashboard/ansible/hc_wizard.retry PLAY RECAP ********************************************************************* ov1.test1.lan : ok=10 changed=0 unreachable=0 failed=1 ov2.test1.lan : ok=10 changed=0 unreachable=0 failed=1 ov3.test1.lan : ok=10 changed=0 unreachable=0 failed=1 Any assistance would be much appreciated. Regards Stephen