Created attachment 1513907 [details]
Screenshot of "ceph backend storage" page

Description of problem:
OSDs Down count is not reflecting correctly on Ceph Backend Storage page

Version-Release number of selected component (if applicable):
cephmetrics-ansible-2.0.1-1.el7cp.x86_64
ceph-ansible-3.2.0-1.el7cp.noarch
ceph-base-12.2.8-51.el7cp.x86_64
grafana:3-8

How reproducible:
Always

Steps to Reproduce:
1.Install 3.2 ceph cluster
2.Install ceph metrics dashboard
3.Log in to metrics dashboard and navigate to "ceph backend storage" page
4.Reboot the OSD node

Actual results:
OSD down panel is not reflecting to 0 when OSD came back to cluster after OSD node reboot.

Expected results:
OSD down panel should display 0 when all OSDs are up and running

Additional info:
CLI output of cluster:

cluster:
    id:     fb79098a-a170-4e78-a1dd-bfce71dda022
    health: HEALTH_WARN
            application not enabled on 1 pool(s)
 
  services:
    mon: 3 daemons, quorum magna012,magna036,magna043
    mgr: magna012(active), standbys: magna043, magna036
    osd: 9 osds: 9 up, 9 in
    rgw: 1 daemon active
 
  data:
    pools:   5 pools, 132 pgs
    objects: 4.41k objects, 16.4GiB
    usage:   50.1GiB used, 8.09TiB / 8.14TiB avail
    pgs:     132 active+clean