Description of problem: Dashboard is not showing any data while cluster is upgrading Version-Release number of selected component (if applicable): cephmetrics-ansible-2.0.2-1.el7cp.x86_64 ceph-common-12.2.12-40.el7cp.x86_64 ceph-mgr-12.2.12-40.el7cp.x86_64 How reproducible: Always Steps to Reproduce: 1.Deploy 3.2 cluster writer some data 2.Deploy dashboard 3.Upgrade cluster to higher version with running IOs. Actual results: Dashboard is not showing any data while upgrade Expected results: Dashboard should show data. Additional info:
*** This bug has been marked as a duplicate of bug 1731330 ***