Infrastructure

I think we should filter out dm-devices here

http://qa-proxy.ceph.com/teuthology/teuthology-2018-04-23_03:59:02-ceph-deploy-master-distro-basic-mira/2429482/teuthology.log

2018-04-23T07:48:47.817 INFO:teuthology.task.ansible.out:
TASK [testnode : Create logical_volumes dict] **********************************
ok: [mira034.front.sepia.ceph.com] => {"ansible_facts": {"logical_volumes": {"lv_1": {"scratch_dev": true, "size": "25%VG", "vg": "vg_hdd"}, "lv_2": {"scratch_dev": true, "size": "25%VG", "vg": "vg_hdd"}, "lv_3": {"scratch_dev": true, "size": "25%VG", "vg": "vg_hdd"}, "lv_4": {"scratch_dev": true, "size": "25%VG", "vg": "vg_hdd"}}}, "changed": false}

2018-04-23T07:48:47.836 INFO:teuthology.task.ansible.out:Monday 23 April 2018  07:48:47 +0000 (0:00:00.088)       0:05:03.356 ********** 

2018-04-23T07:48:48.284 INFO:teuthology.task.ansible.out:failed: [mira034.front.sepia.ceph.com] (item={'value': {'pvs': u'/dev/dm-0,/dev/dm-1,/dev/dm-2,/dev/dm-3,/dev/sdb,/dev/sdc,/dev/sdd,/dev/sde,/dev/sdf,/dev/sdg,/dev/sdh'}, 'key': u'vg_hdd'}) => {"changed": false, "item": {"key": "vg_hdd", "value": {"pvs": "/dev/dm-0,/dev/dm-1,/dev/dm-2,/dev/dm-3,/dev/sdb,/dev/sdc,/dev/sdd,/dev/sde,/dev/sdf,/dev/sdg,/dev/sdh"}}, "msg": "Device /dev/dm-0 not found."}

2018-04-23T07:48:48.285 INFO:teuthology.task.ansible.out:
TASK [testnode : Create volume group(s)] ***************************************

2018-04-23T07:48:48.309 INFO:teuthology.task.ansible.out:    to retry, use: --limit @/home/teuthworker/src/git.ceph.com_git_ceph-cm-ansible_master/cephlab.retry

PLAY RECAP *********************************************************************

2018-04-23T07:48:48.310 INFO:teuthology.task.ansible.out:mira027.front.sepia.ceph.com : ok=96   changed=22   unreachable=0    failed=1