I see this in the web interface in Hosts and under cn03’s devices tab

SAMSUNG_HD502HI_S1VFJ9ASB08190
Unknown
n/a
sdg
mon.cn04

1 total

Which doesn’t make sense. There is no daemons running on this host and I 
noticed the daemon lists looks like its one that should be on another node. 
There is already a mon.cn04 running on the cn04 node.

-jeremy

> On Saturday, Jun 10, 2023 at 11:10 PM, Me <[email protected] 
> (mailto:[email protected])> wrote:
> I also see this error in the logs:
>
> 6/10/23 11:09:01 PM[ERR]host cn03.ceph does not exist Traceback (most recent 
> call last): File "/usr/share/ceph/mgr/orchestrator/_interface.py", line 125, 
> in wrapper return OrchResult(f(*args, **kwargs)) File 
> "/usr/share/ceph/mgr/cephadm/module.py", line 1625, in remove_host 
> self.inventory.rm_host(host) File "/usr/share/ceph/mgr/cephadm/inventory.py", 
> line 108, in rm_host self.assert_host(host) File 
> "/usr/share/ceph/mgr/cephadm/inventory.py", line 93, in assert_host raise 
> OrchestratorError('host %s does not exist' % host) 
> orchestrator._interface.OrchestratorError: host cn03.ceph does not exist
>
>
>
> > On Saturday, Jun 10, 2023 at 10:41 PM, Me <[email protected] 
> > (mailto:[email protected])> wrote:
> > I’m going through the process of transitioning to new hardware. Pacific 
> > 16.2.11.
> >
> > I drained the host, all daemons were removed. Did the ceph orch host rm 
> > <hostname>
> >
> > [ceph: root@cn01 /]# ceph orch host rm cn03.ceph
> > Error EINVAL: host cn03.ceph does not exist
> >
> >
> > Yet I see it here:
> >
> > ceph osd crush tree |grep cn03
> > -10 0 host cn03
> >
> >
> > Web interface says:
> >
> > ceph health
> > HEALTH_WARN 1 stray host(s) with 1 daemon(s) not managed by cephadm
> >
> >
> > ceph orch host rm cn03.ceph --force
> > Error EINVAL: host cn03.ceph does not exist
> >
> >
> > No daemons are running. Something has a bad state.
> >
> >
> > What can I do to clear this up? The previous host went without a problem 
> > and when all services were drained and I did the remove, it just completely 
> > disappeared as expected.
> >
> > Thanks
> > -jeremy
> >
> >
> >

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