Hello,
I'm pretty new to ceph deployment. I have setup my first cephfs cluster
using cephadm. Initially, I deployed ceph in 3 virtualbox instances that I
called cephfs-cluster-node-{0, 1, 2} just to test things. Later, I added 5
more real hardware nodes. Later I decided I'd remove the virtualboxes, so I
drained the osds and removed the hosts. Suddenly, ceph status detail
started reporting
HEALTH_WARN 1 stray host(s) with 1 daemon(s) not managed by cephadm [WRN]
CEPHADM_STRAY_HOST: 1 stray host(s) with 1 daemon(s) not managed by cephadm
stray host cephfs-cluster-node-2 has 1 stray daemons: ['mon.X']
The cephfs-cluster-node-2 is no longer listed among hosts, it is (and has
been for tens of hours) offline (powered down). The mon.X doesn't even
belong to that node, it is one of the real hardware nodes. I am unaware of
mon.X ever running on cephfs-cluster-node-2 (never noticed it among systemd
units).
Where does cephadm shell -- ceph status detail come to the conclusion there
is something stray? How can I address this?
Thank you for any insights
Jakub
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