Hi Stephen, On Mon, Jun 3, 2019 at 3:57 PM <smcintosh(a)tradeprint.co.uk&gt; wrote: > > 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} One of the reasons for this is, the device could be having an existing partition table information. Can you please run the command: wipefs -a /dev/sdb On all the nodes and try again? -sachi