Hi, I don't know how this happened but it seems second node's hosts file (/etc/hosts) was broken and "host-1" thinks itself as "host". Fixing /etc/hosts also fixed this issue. Thanks, Gencer. On 19.11.2020 17:33:52, "Gencer Genç" <gencer(a)gencgiyen.com> wrote: >Hi, > >I ran those commands as usual: > >$ ceph orch host ls >Result is as expected by hosts names and addresses. > >$ ceph orch ls >Again, Expected result as before. > >Then I started to upgrade via this command: > >$ ceph orch upgrade start --ceph-version 15.2.6 > >It failed with attached logs. Please see logs.txt for detailed output. >It says; > >orchestrator._interface.OrchestratorError: DaemonDescription: Cannot >calculate service_id: daemon_id='cephfs.host-1.shsruc' hostname='host' > >This cluster have 2 nodes. Then I just ran same command again: > >$ ceph orch ls >Result is NOT as expected. I got; > > >> Error EINVAL: DaemonDescription: Cannot calculate service_id: >daemon_id='cephfs.host-1.shsruc' hostname='host' >(See attached logs.) > >If I restart "host-1" then i can execute "ceph orch ls" command. After >I start upgrade it errors again. Interestingly I only have cephfs >mounted in node "host". Not "host-1". > >How can I fix this issue? > >Thanks, >Gencer. >